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Sample characteristics: Philippines

Census/survey characteristics
Type Census
Title 1990 Census of Population and Housing
Statistical agency National Statistics Office
Population universe Filipino nationals regardless of whether they are residing in Philipines at the time of the census and citizens of other countires having their usual residence in the Phillipines or those whose temporary residence will exceed a year from the time of their arrival.
De jure or de facto De jure
Census/survey day May 1, 1990
Field work period 20 days
Questionnaire Three forms were used; the nonsample households were interviewed using the Common Household Questionnaire (CPH Form 2) while the Sample Household Questionnaire (CPH Form 3) was used for the sample households, Institutional households were enumerated using the Institutional Population Questionnaire (CPH Form 4)
Type of fieldwork House-to-house visit and personal interview
Microdata sample characteristics
Sample design The sampling rate, or the proportion of households to be selected as samples within each enumeration area (EA), varies from one city /municipality to another. It can be either 100%, 20% or 10% depending on the 1990 expected population of the municipality or city.
Sample fraction 10%
Sample size (person records) 6,013,913
Sample weights Calculated by national statistical office.
Units identified in microdata
Dwellings Yes
Vacant units Yes
Households Yes
Collective dwellings Yes
Smallest geography Municipalities with 20,000+ population combined by IPUMS
Unit definitions
Dwellings A housing unit is a structurally separate and independent place of abode which, by way it has been constructed, converted or arranged, is intended for habitation by one household.
Households A household is a social unit consisting of a person living alone or a group of persons who (1) sleep in the same housing unit and (2) have a common arrangement for the preparation and
consumption of food.
Collective dwellings Institutional living quarters are those structurally separate places of abode intended for habitation by large groups of individuals. Some examples are in operation such as hotels, motels, dormitories, lodging houses, seminaries, mental hospitals, etc.
Census/survey characteristics
Type Census
Title 1995 Census of Population
Statistical agency National Statistics Office
Population universe Filipino nationals regardless of whether they are residing in Philipines at the time of the census and citizens of other countires having their usual residence in the Phillipines or those whose temporary residence will exceed a year from the time of their arrival.
De jure or de facto De jure
Census/survey day September 1, 1995
Questionnaire Form 1: Listing Sheet, Form 2: Household Questionnaire, and Form 3: Institutional Population Questionnaire
Type of fieldwork House-to-house visit and personal interview
Microdata sample characteristics
Sample design Systematic sample
Sample fraction 10%
Sample size (person records) 6,864,758
Sample weights Self-weighting (expansion factor=10)
Units identified in microdata
Dwellings Yes
Vacant units Yes
Households Yes
Collective dwellings Yes
Smallest geography Municipalities with 20,000+ population combined by IPUMS
Unit definitions
Dwellings A housing unit is a structurally separate and independent place of abode which, by the way it has been constructed, converted, or arranged, is intended for habitation by a household.
Households A household is a social unit consisting of a person living alone or a group of persons who sleep in the same housing unit and have a commong arrangement in the presparation and consumption of food.
Collective dwellings Institutional population comprises persons who are found living in institutional living quarters. They may have their own families or households elsewhere but at the time of the census they are committed or confined in institutions, or they live in institutional living quarters and are usually subject to a common authority or management, or are bound by either a common public objective or a common personal interest.
Census/survey characteristics
Type Census
Title 2000 Census of Population and Housing
Statistical agency National Statistics Office
Population universe Filipino nationals regardless of whether they are residing in Philipines at the time of the census and citizens of other countires having their usual residence in the Phillipines or those whose temporary residence will exceed a year from the time of their arrival.
De jure or de facto De jure
Census/survey day May 1, 2000
Field work period Original plan 20 days. Only 30% of the provinces finished the enumeration on the May 24th.
Questionnaire Three used: CPH Form 2- Common Household Questionnaire; 3- Sample Household questionnaire;and 4 - Instituttional Population Questionnaire
Type of fieldwork House-to-house visit and personal interview
Microdata sample characteristics
Sample design Systematic cluster sampling
Sample fraction 10%
Sample size (person records) 7,417,810
Sample weights Calculated by national statistical office.
Units identified in microdata
Dwellings Yes
Vacant units Yes
Households Yes
Collective dwellings Yes
Smallest geography Municipalities with 20,000+ population combined by IPUMS
Unit definitions
Dwellings A housing unit is a structurally separate and independent place of abode which, by the way it has been constructed, converted or arranged is intended for habitation by one or more households. Structures or parts of structures not intended for habitation such as commercial, industrial, and agricultural buildings, or natural and man-made shelters such as caves, boats, abandoned trucks, culverts, etc., but used as living quarters by households are also considered as housing units.
Households A household is a social unit consisting of a person living alone or a group of persons who (1) sleep in the same housing unit and (2) have a common arrangement for the preparation and
consumption of food.
Collective dwellings Institutional population comprises persons who are found living in institutional living quarters. They may have their own families or households elsewhere but at the time of the census they are committed or confined in institutions, or they live in institutional living quarters and are usually subject to a common authority or management, or are bound by either a common public objective or a common personal interest.