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National Statistics Institute
Population and Housing Census
2011

[p. 15]

4.1 Census Definitions

Resident: Natural person that in the moment of the census has his/her habitual residence in Spain.

Family: Group of people (two or more) that, residing in the same dwelling are connected by kinship relations, either blood or political, and independent of level.

Nuclear family: Intermediary hierarchical unit between the habitant and the family. There can be four kinds: a couple without children, a couple with one or more children, a father with one or more children, and a mother with one or more children. In order to form part of the nuclear family of the parents, the children must be single, without a partner, and without children.

Household: group of people residing in the same dwelling.
The differences between household and family are:

The household can be composed of one person, while the family has to have, at least, two members.
The members of a household with various people do not necessarily have to be related, while the members of a family do

.

Dwelling: Structurally separate or independent enclosure that, because of the way in which it was constructed, reconstructed, transformed, or adapted, is conceived to be inhabited by people, or, even if this was not the case, it constitutes the habitual residence of someone at the moment of the census. As an exception, the enclosures that, even having been conceived initially for human habitation, at the moment of the census are completely dedicated to other ends (for example, those that are being used exclusively as premises) are not considered dwellings.

[p. 16]

Family dwelling: dwelling intended to be inhabited by one or various people, not necessarily united by kinship and that do not constitute a collective.

Conventional family dwelling: a family dwelling that meets all the requirements for being inhabited and at the date of the census is not used completely for other ends. The conventional dwelling can be the main dwelling when it is the habitual residence of its components. If it is designed to be occupied only occasionally (for example during vacations) it is called a secondary dwelling. When it remains without being occupied it is considered empty.

Accommodations: Family dwelling that presents the particularity of being mobile, semi-permanent or improvised, or that has not been conceived from the beginning to have residential purposes, but, constitutes the residence of one or various people at the moment of the census.

Collective dwelling: Dwelling designed to be inhabited by a collective, that’s to say, by a group of people subjected to an authority or common regimen not based on family or shared-living connections. The collective dwelling can only partially occupy a building, or more frequently, the entire building.

Types of dwellings: Below we can observe a small outline of the different types of dwellings that we can find.

Family dwelling
Conventional dwelling
Principal dwellings
Secondary dwellings
Empty dwellings
Dwellings of another type (for example, dwellings designed for successive short-term renters)
Accommodations
Collective dwellings

Premise: Structurally separate and independent enclosure (in the same way as the definition of dwelling) that is not exclusively dedicated as a family dwelling and in which economic activities dependent of a company or institution are carried out or could be carried out. The enclosure must be situated in a building, occupying it completely or partially.

Property: Operative unit used in the tour notebook of the census agent that corresponds, according to its use, to a dwelling or a premise. Each property corresponds to a combination of different values of levels and doors.

Building: Permanent construction, separate and independent, conceived to be utilized as a dwelling or to serve agricultural, industrial ends,

[p. 17]

For offering services or, in general, for developing whichever activity (administrative, industrial, cultural...).

Postal Approximation (APP): Each different combination of values of the fields block-portal-stairway.

The three fields block-portal-stairway have in a common that they are subsequent accesses to a previous one, that would be the one associated to the road and the number, and in this way, to the qualifier. Normally this previous (or first) access gives way to the public via while the 'sub-accesses' (block-portal-stairway) give way to the private space.

Block: When the sub-access corresponds to an independent construction, that’s to say, that it doesn’t share any intermediaries with another sub-access of the same initial access. It is normally outside.

Portal: is when there exist exterior independent sub-accesses (outside) in a single construction.

Stairway: is when there exist independent sub-accesses within a construction (under a roof). There is normally a vestibule common to all stairways.

Level: indicated the height of the building. It can be underground (basement) or above ground.

Door: within each level, it is the final access to each property.

4.2 Census Coverage

Population Coverage of the Census

In the Population Censuses the people, of any nationality, that have a fixed habitual residence in the national territory are included.

With the objective of making the Spanish population data comparable to that of the other countries and according to the international recommendations, the following are included:
The diplomatic personnel and other Spanish functionaries and their families, with official destination abroad

The Spanish personnel of the merchant navy, of the fishing boats, and the aerial navigation that are found outside Spanish territory on the date of the census.

The Spanish residents that are temporarily working abroad.

The foreign residents, even though temporarily abroad.

[p. 18]

The homeless people will also be studied. The information relative to the homeless people will be obtained through the collective dwellings in which these people are found registered or from the social services that care for them. The INE will carry out the opportune processes for contacting these social services with the goal of facilitating the localization and contact with this population.

For that which refers to the Census of Dwellings, its population scope covers the dwellings and the collective establishments. All the enclosures designed for human habitation are considered dwellings, that are the family dwellings, and those others that without having this end are effectively inhabited on the date of the census, called accommodations.

The dwellings under construction are not included in this census, for not being inhabited at the moment of the census. Those dwellings whose finalization of fine details is pending and could already be occupied are included.

Those dwellings that are being demolished or empty for having been declared in a ruined state are not included.

Finally, the population scope of the Census of Buildings is constituted by all the buildings of national territory (independent of its principal use) that are finished and contain some dwelling, with enumeration of the properties situated within.

The buildings that are being reconstructed because of having been demolished totally or partially and on the date of the census are not finished will not be included.

The following are also not included:

The buildings that are being demolished or those that are found in a ruined state when they are not inhabited

The constructions located in plazas, sidewalks, or places of recreation designed for the sale of drinks, tobacco, newspapers...

The buildings designed exclusively for agricultural production, that, because of the former, are not utilized at the same time as a family dwelling, collective dwelling, or for other activities distinct from agricultural production.

Geographic scope of the census
The investigation extends to all the Spanish territory.

Temporal scope of the census
The recounting of the inhabitants and of the dwellings should be done with reference to the census date and the characteristics of such refer to this time period or the time period perfectly defined for each one of them. The reference periods of the census are:
[pg19]

Reference date and moment of censes. The reference date is the day November 1, 2011.

The reference week of the characteristics relative to the economic activity is immediately prior to the census date.

Other periods of reference. For the characteristics relative to migrations, linked population, etc. the information will be collected with reference to determined periods of time that are specified in the corresponding variables.

5. Census variables

The relation of variables that will be investigated in the 2011 Census has been constructed taking as a point of departure the Regulation 763/2008 of the European Parliament and of the Council of European Commission and with the highest level of detail of the definition of variables and their classifications of the Regulation 1201/2009 of the European Commission.

[Sections 5.1 and 5.2 omitted]

[p. 24]

5.3 Detailed information about the variables that will be part of the 2011 Census

Group 1 Characteristics of the People

A Basic Demographic Variables

1.A.1 Sex

Sex is understood as the organic masculine or feminine condition of the people.

[p. 25]

Sex is, alongside age, the census variable that is most frequently crossed in classifications with other characteristics of the population. Such that, it is the source of any study of gender. It is a basic variable of the structure of a population.

Categories of this variable:

Man
Woman

1.A.2 Date of Birth

Basic variable for determining the structure of the population and the generational studies about fecundity, mortality, or future evolution of the population.

1.A.3 Age

Age refers to the number of completed years that a person has lived.

This variable together with the previous variable, from which it is derived, allows for an analysis of the population by year of birth as well as by age in years completed.

Categories of this variable:

Age year by year (this only groups the people 100 years or older)
Age in five-year groups (ages in groups of 5 years and only groups the people 90 years or older)
Age in large groups (of 0 to 15, of 16 to 64, and of 65 years or older)

[p. 26]

1.A.4 Marital Status

The marital status (de jure) is defined as the (legal) conjugal state of each individual in relation to the marriage laws.

Traditionally this variable is used to analyze processes of family formation and related with fecundity. In addition it is necessary for determining and evaluating social policies.

Categories of this variable:

Single
Married
The union is with someone of a different sex
The union is with someone of the same sex
Separated
Divorced
Widowed

1.A.5 Place of birth

For those people that have been born in Spain this variable refers to the place of habitual residence of the mother at the moment of birth, or if this is unknown, that in which the birth took place.

For the people that have been born outside of Spain this variable will contain the value of the country of habitual residence of the mother at the moment of birth, or if this is not available, that in which the birth took place following the international borders on the date of reference of the census.

It deals with a variable relevant to the effect of determining collectives of migrants and their origin. In fact the variable determines the group of immigrants and, because of that, it is essential together with nationality to be able to study their characteristics, their life conditions, and their level of integration.

[p. 27]

Categories of this variable:

Municipality of Spain (for those people that have been born in Spain)
Country (for those people that have been born outside of Spain)

1.A.6 Place of birth of the father

The time elapsed from the beginning of the immigration phenomenon in Spain suggests starting to make available information about second generations and their integration, such as those countries that accumulate a longer history in this type of movements have been doing. Additionally, it will make possible the analysis of the second generations coming from the migratory movements of Spaniards within national territory.

This variable, logically, is only asked explicitly when the person does not live with his/her father.
Categories of this variable:

List of countries

1.A.7 Place of birth of the mother

The justification of the inclusion of this variable is the same as in the previous case.

Categories of this variable:

List of countries

[p. 28]

1.A.8 Country of nationality

Nationality is defined as a legal connection between an individual and his/her state, acquired by birth or naturalization whether by declaration or acquired by choice, matrimony, or other terms according to the national legislation.

It allows completing the information about migrants that provide their place of birth since both identify situations of foreigners born in Spain or current Spaniards that were born abroad. Because of such, just like before, it deals with a variable relevant to the effect of determining groups with a migratory past.

Categories of this variable:

List of countries

1.A.9 Place of residence

An individual's place of residence is understood to be the place where he/she resides the majority of the year.

It is a basic variable of any operation of recounting the population in order to know the geographic distribution.

Categories of this variable:

List of the municipalities of Spain

[p. 29]

1.A.10 Resident population according to the size of the nuclei

A nucleus is considered a collection of at least ten buildings that form streets, plazas, and other urban roads, as well as the isolated buildings that are less than 200 meters away from the said collection.

To the effect of this variable, it will be considered that the municipalities with a total population smaller than 2,000 inhabitants constitute a single nucleus.
Categories of this variable:

1,000,000 or more habitants
500,000 999,999 habitants
200,000 499,999 habitants
100,000 199,999 habitants
50,000 99,999 habitants
20,000 49,999 habitants
10,000 19,999 habitants
5,000 9,999 habitants
2,000 4,999 habitants
1,000 1,999 habitants
500 999 habitants
200 499 habitants
Less than 200 habitants

1.A.11 Number of children born alive

This variable summarizes the fecundity behavior of each woman throughout her life, making possible generational studies.

It will contain information for all women 16 years or older and will reflect the number of children born (excluding the fetal deaths and including all those that were born even though died soon after birth), during the life of the woman until the date of the Census.
As it deals with measuring fecundity, adopted children will be excluded from this count.

[p. 30]

Categories of this variable

0 children
1 child
2 children
3 or more children

B Variables relating to migration

1.B.1 Year of arrival to Spain

This variable allows us to determine movements of people (Spaniards and foreigners) that have habitually resided at some moment abroad and have arrived to Spain in the past, independently of the place of birth or nationality and independently of other changes of habitual resdience that could have occurred within the country.

Consequently, it provides information of the last immigration coming from abroad.

Categories of this variable

Never resided abroad
Resided abroad at some point and arrived to Spain before 1960
Resided abroad at some point and arrived to Spain between 1960 and 1969
Resided abroad at some point and arrived to Spain between 1970 and 1979
Resided abroad at some point and arrived to Spain between 1980 and 1989
Resided abroad at some point and arrived to Spain between 1990 and 1999
Resided abroad at some point and arrived to Spain after 1999 (this information will be disaggregated year by year)

1.B.2 Year of arrival to the autonomous community
This deals with a variable with a definition and objectives similar to those of the previous but is for a more disaggregated territorial level, which also allows for the identification of the last interior 'inter-autonomous' migratory movements.

[p. 31]

Categories of this variable

Resided in another autonomous community at some point and arrived to this one before 1960
Resided in another autonomous community at some point and arrived to this one between 1960 and 1969
Resided in another autonomous community at some point and arrived to this one between 1970 and 1979
Resided in another autonomous community at some point and arrived to this one between 1980 and 1989
Resided in another autonomous community at some point and arrived to this one between 1990 and 1999
Arrived to the autonomous community after 1999 (this information will be disaggregated year by year)

1.B.3 Year of arrival to the municipality

The definition and justification is the same as in the previous variables. Complete with details about the last interior migrations.

Categories of this variable

Resided in another municipality at some point and arrived to this one before 1960
Resided in another municipality at some point and arrived to this one between 1960 and 1969
Resided in another municipality at some point and arrived to this one between 1970 and 1979
Resided in another municipality at some point and arrived to this one between 1980 and 1989
Resided in another municipality at some point and arrived to this one between 1990 and 1999
Arrived to the municipality after 1999 (this information will be disaggregated year by year)

1.B.4 Year of arrival to the dwelling

The definition and justification is similar to those of the previous variables.

[p. 32]

Categories of this variable:

Resided in another dwelling at some point and arrived to this one before 1960
Resided in another dwelling at some point and arrived to this one between 1960 and 1969
Resided in another dwelling at some point and arrived to this one between 1970 and 1979
Resided in another dwelling at some point and arrived to this one between 1980 and 1989
Resided in another dwelling at some point and arrived to this one between 1990 and 1999
Arrived to the dwelling after 1999 (this information will be disaggregated year by year)

1.B.5 Place of residence 1 year ago

A necessary variable for recomposing recent migratory movements towards the current place of residence.

Categories of this variable:

List of countries (including the category Does not apply)
List of autonomous communities (include the categories Abroad and Does not apply)
List of provinces (include the categories Abroad and Does not apply)
List of municipalities (include the categories Abroad and Does not apply)

1.B.6 Residential relation (current and 1 year ago)

Derived from the previous variable, this variable provides geographic information and temporary patterns about the migratory movements towards the current place of residence

[p. 33]

Categories of this variable:

The person had not been born 1 year ago
Currently resides in the same dwelling as 1 year ago
Currently resides in a different dwelling than 1 year ago but is in the same municipality
Currently resides in a different municipality than 1 year ago but both are in the same province
Currently resides in a different province than 1 year ago but both are in the same autonomous community
Currently lives in a different autonomous community than 1 year ago
Resided outside of Spain last year

1.B.7 Place of residence 10 years ago
A necessary variable for collecting migratory movements towards the place of current residence. The temporary reference of 10 years is established to establish the evolution of the migratory movements in the period elapsed since the last census.

Categories of this variable:

List of countries (including the category Does not apply)
List of autonomous communities (including the categories Abroad and Does not apply)
List of provinces (including the categories Abroad and Does not apply)
List of municipalities (including the categories Abroad and Does not apply)

1.B.8 Residential relation (current and 10 years ago)

Derived from the previous variable, this variable provides geographic information about the migratory movements towards the current place of residence with temporary reference to the inter-census period.

[p. 33]

1.B.9 Previous place of residence

A necessary variable for calculating most recent migratory movements. It completes the information about migratory movements that the last variables exposed provide.

Categories of this variable:

List of countries
List of autonomous communities (including the category Abroad)
List of provinces (including the category Abroad)
List of municipalities (including the category Abroad)

1.B.10 Residential relation (previous and current)

Derived from the previous variable, this variable provides geographic information about the last migratory movements towards the current place of residence.

[p. 35]

Categories of this variable:

The person has never changed residence
Currently resides in a dwelling different from before but both are in the same municipality
Currently residents in a different municipality from before but both are in the same province
Currently resides in a province different from that in which he/she resided previously
Currently resides in an autonomous community different from that in which he/she resided previously
Currently resides in a country different from that in which he/she resided previously

C Variables related to education

1.C.1 Level of studies

The level of studies refers to the highest level satisfactorily completed in the education system of the country in which the education was received. It is considered that a person has achieved a determined level of instruction when he/she has finished and passed all the courses of the level and is in conditions to obtain the corresponding title or diploma.

[p. 36]

Categories of this variable:

Does not know how to read or write
Knows how to read and write but attended school for less than 5 years
Went to school for 5 years or more but did not reach the final course of ESO, EGB, or Basic High School
High school (LOE, LOGSE), BUP, Superior High School, COU, PREU
FP middle grade, FP I, Industrial Official or equivalent, Middle grade of music and dance, Certificates of Official Language Schools
FP superior grade, FP II, Industrial masters or equivalent
University diploma, technical architecture, technical engineering or equivalent
University grade or equivalent
Official university masters (since 2006), Medical specialties or analogs
Doctorate

1.C.2 Type of studies completed

A necessary variable for completing the information provided by the variable level of studies, for example to the effect of knowing the stock of people with formation in the diverse areas of knowledge or greater detail of the relation between the level of studies and employment by sectors, keeping in mind the specialization of the formation and of the employment.

This variable will only contain information for those people that in the variable Level of studies have some of the following values: formative cycle of medium grade, formative cycle of superior grade, Degree, Diploma, or Doctorate.

In addition the confirmation of the title will be collected for additional inquiries that are proposed.

[p. 37]

Categories of this variable:

Education (Certificate, Infant education, pedagogy)
Arts and humanities (History, Language, Image and Sound...)
Law and Social Sciences (Administration, Psychology, Economy, Journalism...)
Sciences (Biology, Chemistry, Physics, Mathematics...) and Information Sciences (including Information Engineering)
Architecture, construction, technical formation and Industries (Mechanical, Metal, Electronic, Design, Textile, Nutrition, etc., including engineering of these fields)
Agriculture, cattle, fishing, and veterinary (including agricultural engineering or similar)
Health and social services (medicine, nursing, pharmacy, social work...)
Other services (tourism, hotel management, beauty school, nautical and military education...)

1.C.3 Course studies

In terms of the regulated studies this variable is necessary for the analysis of the stock that are taking each education level, the calculation of scholarly rates (together with the following variable), characteristics of the drop-outs in the school system and prevision of future stocks of the population with different education levels.

But it also collects information about complementary non-regulated studies related to employment.

[p. 38]

Categories of this variable:

ESO, Secondary education for adults
Programs of Primary Professional qualification
High school
Middle grade of FP, Plastic Arts and Design and Physical Education or similar
Teaching in Official language schools
Professional teaching of music and dance
Superior grade of FP, Plastic arts and Design, and Physical education or equivalent
University diploma, Technical architecture, technical engineering or equivalent
University grade studies and artistic teaching or equivalent
University degree, architecture, engineering or equivalent
Official university masters, medical specialties or analog, doctorate
Other courses of free education (primary studies for adults...)
Formation courses of the public employment services
Other non-free formation courses

1.C.4 Education for minors

In Spain the mandatory education corresponds to the ages between 6 and 16 years. This question allows identifying on the one hand those people younger than 6 years that receive some kind of education and on the other hand those people that are found between 6 and 15 years (people that respond to this question and that should be receiving some kind of studies) and for different reasons are not attending a center of studies.

[p. 39]

Categories of this variable:

Yes
No

D Characteristics relative to the economic activity

1.D.1 Current relation with the activity

This variable allows a classification of the population with relation to economic activity, establishing the groups of active and inactive and their main collectives. It is a variable of basic classification in the census operation.

The temporary reference of this variable is the week previous to the census reference.
It is asked of all those people that are 16 years of age or older.

Categories of this variable:

Active

Employed
Full-time
Part-time
Unemployed
Unemployed having worked before
Unemployed seeking his/her first employment
Inactive
Person with permanent labor disability
Retired, pre-retired, pensioned, or rentier
Other situation

1.D.2 Employment

Employment refers to the main tasks and obligations of the work, employment, or office performed

[p. 40]

The information about this variable will be collected for all the people that are older than 15 years and that:

Are employed during the reference week
Are unemployed during the reference week, but have had an employment at least once in the past.

1.D.3 Activity of the establishment

The activity of the establishment or branch of activities refers to the class of production or activity of the establishment in which the work is located of the economically active person (whether employed or unemployed and having worked before).

In the case of the workers granted permission by a company to temporary work in another, they must inform about the activity of the establishment in which they are working during the reference week.

The definitions of employment, activity of the establishment, and professional situation must have the same work as a reference. In the case of a person disposing of various jobs the information that must be collected is that in which he/she worked the greatest number of hours.

Information will be collected about this variable for the people that are 15 years or older that:

Are employed during the reference week
Are unemployed during the reference week, but have been employed at least once in the past.
[p. 41]

Categories of this variable:

The categories of this variable have been elaborated to be a reduced formulation of those of the CNAE-2009 to three digits, to help with the correct completion on the part of the citizens.

Given this information and other contents in the questionnaire, such as education level, information of the employment with a level of detail of 3 numeric digits can be obtained for the national level. For territorial additions (such as province or autonomous community and even for some municipalities) with sufficient population a classification of a level of 2 digits will be obtained.

The minor disaggregation of this variable corresponds with the first level of the CNAE-2009.

1.D.4 Professional situation

The professional situation refers to the kind of work contract (explicit or implicit) with other people or organizations, that the person has in their work position. The basic criteria used for defining the groups of the classification is the kind of economic responsibility and the type of authority that the person assumes about the establishments and their workers.

Information will be collected about this variable for the people that are 15 years or older that:

Are employed during the reference week
Are unemployed during the reference week, but have been employed at least once in the past.

Categories of this variable:

Self-employed worker with fixed or indefinite character
Self-employed worker with eventual or temporary character
Entrepreneur or professional that employs personnel
Entrepreneur or professional that does not employ personnel
Family help
Members of cooperatives

[p. 42]

E Variables related to transportation

1.E.1 Place of work or studies

The variable place of work or studies corresponds to the place in which a person is employed carrying out his/her work or to the place in which a person is studying.

Given other information the person provides in the questionnaire it will be possible to determine which of the movements are because of studies and which are because of work. Those people that are working and studying should refer to transportation to the place of work.

This variable collects information for the measurement of and analysis of the habitual transportation necessary for the planning of traffic and public transportation.

A space to collect the zip code of the work address has been added to the census questionnaire so that in large cities are it is possible to carry out complementary studies specific to smaller geographic areas of the municipality.

Categories of this variable

Place of work or study
List of countries: Spain, Andorra, France, Morocco, Portugal, United Kingdom, others
List of autonomous communities (including the category Abroad)
List of provinces (including the category Abroad)
List of municipalities (including the category Abroad)

1.E.2 Means of transportation most frequently used to the place of work or study

This is the complement to the variable place of work or studies. Again it is a variable related to the measurement of transportation, in this case about the means of transportation used and consequently relevant in terms of the planning of the capacity of the infrastructures and public transportation.

[p. 43]

Categories of this variable:

In car or van as driver
In car or van as passenger
In autobus, autocar, minibus
In metro
In motorcycle
Walking
In train
In bicycle
With other means

1.E.3 Average time of each trip to the place of work or study

In relation to the habitual mobility this variable supplements the rest of the variables investigating the density of the movements.

Categories of this variable:

Less than 10 minutes
Between 10 and 19 minutes
Between 20 and 29 minutes
Between 30 and 44 minutes
Between 45 and 59 minutes
Between 1 hour and 1 hour and a half
More than an hour and a half

1.E.4 Number of daily two-way trips to the place of work

This provides additional information about mobility in relation to the intensity and volume of movement.

[p. 44]

Categories of this variable:

None (because he/she has a second residence from which he/she leaves to work or study)
One daily (that’s to say, one departure and one return trip)
Two or more daily

F Variables related to a linked population

1.F.1 – Linked population

A linked population of a municipality refers to a collection of people that have some type of habitual connection with the municipality in question, whether because they habitually reside there, because they travel to the municipality because of work or studies there, or because, not being their habitual residence they tend to spend certain periods of time there (vacations, weekends, holidays, etc...).

This definition will be been operative based on the variables related to transportation and the variables 1.F.2 to 1.F.6.

Categories of this variable:

List of municipalities

1.F.2 Stay in another municipality

It will be considered that a person has had a stay (relevant for the calculation of the linked population) in another municipality when, in the last twelve months, he/she has passed 15 nights or more (consecutively or not) in a municipality of Spain different from that in which he/she habitually resides.

[p. 45]

Categories of this variable:

Yes
No

1.F.3 Identification of the municipality or country of longest stay

This deals with an essential variable for the identification of the municipalities that receive population during brief periods of time (more than 15 days) for diverse motives and because of such is necessary for the calculation of the linked population.

Categories of this variable:

List of countries
List of provinces
List of municipalities

1.F.4 Number of nights of stay in the municipality or country of longest stay

This deals with a variable necessary for, once establishing the connection between the citizen and this municipality, calculating the 'intensity' of this connection throughout the year and the possibility of calculating the linked population considering the duration of these stays.

1.F.5 Availability of a second residence in this municipality

This allows us to know some additional information about the type of connection that is established with the municipality

[p. 46]

Having a second residence available is understood as any dwelling that is at the disposition of the citizen being his/her property, rented, or ceded for a time greater than 15 days as established in the definition of this variable.

Categories of this variable:

Yes
No

G Variables related to unpaid tasks

The unpaid tasks have a continually elevated importance in contemporary society. For this reason and to be able to carry out a more detailed analysis of this phenomenon, for example, from the perspective of gender, the following four variables are established:

1.G.1 Caring for a minor of less than 15 years

Caring for minors includes activities of accompaniment, entertainment, help, games, conversation, reading, teaching, physical care, and vigilance.

Categories of this variable:

Yes
No

1.G.2 Caring for a person with severe health problems

Categories of this variable:

Yes
No

[p. 47]

1.G.3 Other beneficial tasks or social service

Categories of this variable:

Yes
No

1.G.4 Taking charge of the majority of the domestic tasks of the household

Categories of this variable:

Yes
No

2 Variables related to the nuclear families and the structure of the household

In order to be able to reconstruct the structure of nuclear families as well as the structure of the household it is necessary that individualized information of the kinship relationships between the residents in the dwelling is made available.
In order to do so, information will be collected of each one of the persons residing in the dwelling to identify if the father, mother, spouse/partner and other relatives reside in the same dwelling and, in the affirmative case, identify which member of the household it deals with.

This information is also used to identify (together with the information of the legal marital status) the different kinds of couples (civil or consensual union).

The following four variables are used to construct the variables related to the nuclear family, structure of the household, and types of couples.

[p. 48]

2.A Kinship variables

2.A.1 Cohabitation with the father
Categories of this variable:

Yes
No

2.A.2 Cohabitation with the mother
Categories of this variable:

Yes
No

2.A.3 Cohabitation with the spouse/partner
Categories of this variable:

Yes
No

2.A.4 Cohabitation with other relatives (children/siblings...)

[p. 49]

Categories of this variable:

Yes
No

2.B Living with a partner

Consensual union pairs will be counted as those pairs that live within the same household and declare themselves mutually as conjugates/partners and the marital status (de jure) of at least one of the two people is that of not married.

As it has already been mentioned that marital status is used as a variable of the processes of the formation of nuclear families correlated with fertility. However, these family formation processes are increasingly based on unions outside of matrimony. Marital status, although very relevant, is insufficient to explain the processes of family formation and because of that the study of this variable is necessary.

This variable also indicates whether or not, independently of marital status, the individual lives with a partner or not.

Categories of this variable:

De jure partner
Of different sex
Of the same sex
Consensual union partner
Of different sex
Of the same sex
Of the same sex
Does not cohabitate with a partner

[p. 50]

2.C Characteristics of the household

2.C.1 Condition of the person within the nuclear family

A nuclear family is defined for the census project and following the communitarian regulations as two or more people that live in the same household and that are related as husband and wife, as a consensual union pair, or as father and mother and children. So, a nuclear family is composed of a couple without children or a couple with one or more children or a single-parent family with one or more children as long as the children do not live with his/her partner or with one of his/her children because in this case they wouldn’t belong to the nucleus of the parents but would rather form their own nuclear family.

The variable condition of the person within the family nucleus recounts the people that are found within the family nucleus according to the role they have within the nucleus.

Categories of this variable:

Couples
Married couples
Married couple of different sex
Married couple of the same sex
Consensual union couple
Consensual union couple of different sex
Consensual union couple of the same sex
Single fathers or mothers
Sons/daughters
Cohabitating with a partner
Cohabitating only with a father or a mother

[p. 51]

2.C.2 Structure of the family nucleus

This variable allows us to know the composition of the family nuclei according to their composition associated to the different roles of the people that compose them.

Categories of this variable:

Married-couple nuclear family
Married-couple nuclear family without children living with them in a household
Opposite-sex married-couple nuclear family
Same-sex married-couple nuclear family
Married-couple nuclear family whose youngest child living in the household is younger than 25 years old
Married-couple nuclear family whose youngest child living in the household is 25 years of age or older
Consensual-union nuclear family
Consensual union nuclear family without children living with them
Opposite-sex consensual-union nuclear family
Same-sex consensual-union nuclear family
Consensual-union nuclear family whose youngest child living in the household is younger than 25 years old
Consensual-union nuclear family whose youngest child living in the household is 25 years of age or older
Single-father nuclear family
Single-father nuclear family whose youngest child living in the household is younger than 25 years old
Single-father nuclear family whose youngest child living in the household is 25 years of age or older
Single-mother nuclear family
Single-mother nuclear family whose youngest child living in the household is younger than 25 years old
Single-mother nuclear family whose youngest child living in the household is 25 years of age or older

[p. 52]

2.C.3 Size of the nuclear family

The size of the nuclear family is the total number of resident members of the nucleus

Categories of this variable:

2 people
3 people
4 people
5 people
6 people
7 people
8 people
9 people
10 people
11 or more people

2.C.4 Condition of the people within the household

The household is broader concept than the nuclear family since it includes those and those groups composed of the people that live alone or that by living with other people do not form a nuclear family because they do not cohabitate with their partner or none of their children.

Similarly to the variable condition of the person within the nuclear family, the variable condition of the person within the household recounts the people of the household according to their role within the household.

It is important to emphasize that for this variable, the communitarian regulations establish that collective dwellings are also counted as households.

[p. 53]

Categories of this variable:
People that live in conventional family dwellings or accommodations

People that form a nuclear family
Married couple
Opposite-sex married couple
Same-sex married couple
Consensual union couple
Opposite-sex consensual union
Same-sex consensual union
Single fathers or mothers
Sons/daughters
Not with a single father or mother
With a single father or mother
People that do not form a nuclear family
People that live alone
People that do not live alone
People that live in a household with other relatives (that are not partners or children)
People that live in a household and cohabitate with people that are not their relatives

People that live in collective dwellings

2.C.5 Structure of the (private) household

This variable allows us to know the composition of the households according to their composition and the different roles of the people that compose the household. Here the collective households are excluded.

[p. 54]

Categories of this variable:
Household that does not form a nuclear family

Household of one person
Household of various people

A nuclear family within a household

Household formed by a married couple
Married couples without children living with them
Opposite-sex married-couple households
Same-sex married-couple households
Married couples with at least a child younger than 25 years of age living with them
Married couples whose youngest child that is living with them is 25 years of age or older
Households formed by a consensual union couple
Households formed by a consensual union couple without children living with them
Opposite-sex consensual-union households
Same-sex consensual-union households
Consensual-union couple with at least a child younger than 25 years of age living with them
Consensual-union couple whose youngest child that is living with them is 25 years of age or older
Single-father nuclear family
Single fathers, living with at least one child younger than 25 years
Single fathers, whose youngest child that lives with them is at least 25 years of age or older
Single-mother nuclear family
Single mothers, living with at least one child younger than 25 years
Single mothers, whose youngest child that lives with them is at least 25 years of age or older

Two or more nuclear families within the household

[p. 55]

2.C.6 Size of (private) household

The size of the household is the number of people that belong to it.

Categories of this variable:

1 person
2 people
3 people
4 people
5 people
6 people
7 people
8 people
9 people
10 people
11 or more people

Group 3 Characteristics of the dwellings

3.1 Type of dwelling where one resides

Dwelling is understood as any type of 'habitable space' that is or can be habitual residences of one or more people. This variable will refer to the occupied conventional dwellings, collective dwellings, and accommodations.

This allows us to know the use and occupation of the total area of dwellings.

[p. 56]

Categories of this variable:

Conventional family dwellings
Accommodations
Collective dwellings

A family conventional dwelling is that which was designed to be inhabited by one or more people and that at the moment of the census is not used for non-residential means.

Lodging is understood as those structures that have not been designed to be occupied by human groups but that, in practice, is used for that on the reference date of the census or those others that were designed to be occupied by human groups but are mobile, semi-permanent, or improvised.

Collective dwellings are understood as those dwellings that were designed to be occupied by groups of people and that are a person's place of habitual residence at the time of the census. Within this category we include: hotels, camps, institutions (hospitals, prisons, residencies, etc.).

3.2 Type of conventional dwelling

Understanding the distribution of type of conventional family dwellings allows us to determine the level of occupation of these dwellings.

Categories of this variable:

Primary dwellings
Non-primary dwellings
Dwellings reserved for seasonal or secondary use
Unoccupied or empty dwellings

The conventional dwellings are classified as primary, secondary, and empty.

A primary dwelling is a conventional family dwelling that is the place of habitual residence of one or more people.

[p. 57]

A non-primary dwelling is a conventional family dwelling that is not the habitual residence of any human group and that is occupied during short periods of time or remains empty.

3.3 Useful surface area

The useful surface area can be defined as the surface area that exists within the exterior walls of the dwelling, without including open terraces, gardens, basements, attics, storage, or closets... that are not habitable.

This deals with a basic descriptive variable of the dwelling.

Categories of this variable:

Less than 30 square meters
30-45 square meters
46-60 square meters
61-75 square meters
76-90 square meters
91-105 square meters
106-120 square meters
121-150 square meters
151-180 square meters
More than 180 square meters

3.4 Average surface area per resident

This corresponds with the sum of the surfaces divided by the total residents of the dwelling.

This allows us to provide a measurement of the density of the residents of the dwelling.

[p. 58]

Categories of this variable:

Less than 10 square meters per resident
10-less than 15 square meters per resident
15-less than 20 square meters per resident
20-less than 30 square meters per resident
30-less than 40 square meters per resident
40-less than 60 square meters per resident
60-less than 80 square meters per resident
80 square meters or more per resident

3.5 Number of rooms

A room is defined as a space of the dwelling enclosed by walls that go from the ground to the roof or ceiling of the dwelling, of at least 2 meters and a size sufficient to fit an adult bed (at least 4 square meters).

So, the bedrooms, dining rooms, living rooms, attics, kitchens, closed terraces, and other separated spaces will be considered rooms according to the previous definition.

The bathrooms, changing rooms, hallways, and open terraces are not considered rooms even though they meet the criteria established by the definition.

Knowing the number of rooms is necessary for completing the information provided by the useful surface area of the dwelling as well as for contrasting it when the knowledge of this last variable is not precise.

[p. 59]

Categories of this variable:

1 room
2 rooms
3 rooms
4 rooms
5 rooms
6 rooms
7 rooms
8 rooms
9 rooms
10 rooms or more

3.6 Average number of rooms per resident

This corresponds with the number of rooms divided by the number of residents.

It is another measurement of density that complements that of the average surface area per resident providing the perspective of the distribution of the spaces between the residents taking into consideration the function of the rooms.

Categories of this variable:

Less than .5 rooms per resident
.5-less than 1.0 rooms per resident
1.0-less than 1.25 rooms per resident
1.25-less than 1.5 rooms per resident
1.5-less than 2.0 rooms per resident
2.0-less than 2.5 rooms per resident
2.5-less than 3.0 rooms per resident
3.0 and more rooms per resident

[p. 60]

3.7 Type of heating

This deals with measuring, again, another basic characteristic of the equipment of the dwellings.

This forms part of a relationship that complements that with the availability or lack of bathroom, the availability or lack of shower or bathtub within the dwelling that continues the series of previous censuses. As a novelty of this census, information about the availability of internet access is included.

Categories of this variable:

With collective or central heating
With individual heating
Without installation but with apparatuses that heat some room(s)
Without heating means

3.8 Availability of a bathroom with toilet

Categories of this variable:

With availability of bathroom within the household
Without availability of bathroom within the household

[p. 61]

3.9 Availability of a bathtub or shower

Categories of this variable:

Availability of bathroom or shower in a definite site within the household
Without availability of bathroom or shower in a definite site within the household

3.10 Availability of internet access

Categories of this variable:

Yes
No

3.11 Water supply system

The water supply system refers to the infrastructure that provides the water supply to the dwelling, or in the case of those dwellings that do not have running water available.

[p. 62]

Categories of this variable:

Via public supply
Via own supply (water pump...)
Does not have running water
A public supply system is that which is subject to an inspection and control by public authorities.

3.12 Property of the dwelling

The ownership regimen of the dwelling is understood as the relationship that exists between the residents and the dwelling property.

This variable refers exclusively to the ownership regimen of the dwellings and not to the ownership of the terrain in which the dwelling is located.

Categories of this variable:

Dwellings in properties, by purchase, totally paid
Dwellings in properties with mortgages
Dwellings in properties by inheritance or donation
Dwellings for rent
Dwelling ceded freely or low price by another household, business...
Dwellings with another type of ownership regimen

3.13 People according to the primary dwelling where they reside

This variable refers to all the people that are habitual residents in various types of 'habitational spaces' or the people that do not have a place of habitual residence and belong temporarily to some type of 'habitational space' during the census period.

[p. 63]

Categories of this variable:

People living in a conventional family dwelling or in a collective dwelling
People living in a conventional family dwelling
People living in a collective dwelling
People living in accommodations

Group 4 Characteristics of the buildings

4.A-Building data

4.A.1 Dwellings according to the type of building

This deals with a classification of buildings according to the dwellings that is contains. It allows us to classify the buildings and zones in with they are grouped according to the type of urbanism (in height, dispersion, single family zones, etc.) to which they belong.

Categories of this variable:

Conventional dwelling in a building that is destined exclusively or primarily to dwellings
Conventional dwellings in a building with a single dwelling (chalet)
Conventional dwellings in a building with two dwellings
Conventional dwellings in a building with three or more dwellings
Conventional dwelling in a building that is designed for other purposes

4.A.2 Construction period of the building

The construction period of the building refers to the date in which the building has been finished. For those buildings that have suffered a substantial reform after their construction, it is considered as a year of construction in which the said reform has been finished.

[p. 64]

Its objective is to know the age of the area of buildings and the recent evolution of the construction during the last years.

Categories of this variable:

Before 1920
1921-1940
1941-1950
1951-1960
1961-1970
1971-1980
1981-1990
1991-200
Constructed after the year 2000 (this information will be disaggregated year by year)

4.A.3 Number of floors of the building (above ground)

A floor is considered above ground when its inferior pavement is found above the height that determines the sidewalk or terrain.

Categories of this variable:

1
2
3
4
5
6
7
8
9
10 or more

[p. 65]

4.A.4 Number of floors underground

A floor is considered underground if it is found under the height that determines the sidewalk or the terrain.

These variables form part of the basic characteristics of the building.

Categories of this variable:

0
1
2
3 or more

4.A.5 Number of estates of the building

This variable is essential at the moment of assuring that the dwelling directory is exhaustive.

Categories of this variable:

1 estate
2 estates
3 estates
4 estates
5 to 9 estates
10 to 19 estates
20 to 39 estates
40 or more estates

[p. 66]

4.A.6 State of the building

This variable allows us to establish the conservation situation of the building, complementing the information provided by the variable years of construction.

The values will be assigned:

'In ruins' if the building is found in any of the following situations: it is found with supports, it is being officially declared is in ruins, or there already exists an official declaration in ruins.

'Bad' if the building is found in one or various of the following situations: there exist serious fissures or buckling in one of the walls, there is sinking or lack of horizontality in the roofs or ground or the building sustentation has ceded (for example the steps of the staircase present a suspicious inclination).

'Deficient' if the building presents any of the following circumstances: the rain gutters of the evacuation system of residual waters is in a bad state, there is humidity in the lower part of the building or there are filtrations in the roofs or tiling.

'Good' if the building does not present any of the circumstances indicated for the ruined, bad, and deficient states.

Categories of this variable:

In ruins
Bad
Deficient
Good

[p. 67]

4.A.7 Coordinates of the building

This variable represents one of the primary novelties of the 2011 Census. Having the coordinates of the buildings available will make possible the development of spatial analyses of the data.

4.B Installations of the building

The questions about building installations allow us to know its equipment and identify zones of significant insufficiencies in building materials.

4.B.1 Accessibility of the building

A building is accessible when a person in a wheelchair has access from the street to the inside of each one of the dwellings without the help of another person.

Categories of this variable:

Accessible
Not accessible

4.B.2 Elevator

In addition to providing information about the equipment of the buildings, this complements the previous variable.

[p. 68]

Categories of this variable:

With elevator
Without elevator

4.B.3 Availability of garage

Categories of this variable:

It has
It does not have

4.B.4 Number of parking places of the garage

Categories of this variable:

1 place
2 places
3 to 5 places
6 to 10 places
11 to 20 places
21 to 50 places
More than 50 places
Not applicable

[p. 69]

4.B.5 Gas

This variable has as its objective to know the existence of the gas installation distributed by tubing in the buildings.

Categories of this variable:

It has
It does not have

4.B.6 Telephone Line

This variable has as its objective to reveal the existence of a telephone line in the buildings, independently of its use.

Categories of this variable:

It has
It does not have

[p. 70]

4.B.7 Central water heating

It is considered that a building has central water heating when it is a fixed and common installation available that provides hot water to all or the majority of the dwellings it contains.

Categories of this variable:

It has
It does not have

4.B.8 Type of evacuation system of residual waters

This variable will take the following values:

'Sewage' if the building is connected to a general evacuation network
'Other type' if the building possesses its own installation of water evacuation, such as a septic tank or similar, or has available other systems of direct evacuation, with or without depuration, a tank, rivers, lakes, sea, cesspool, etc.

Categories of this variable:

Tubing
Another type
It does not have