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 | 0.1 |
| Sample size (person records) | 6013913 |
| 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 | 0.1 |
| Sample size (person records) | 6864758 |
| 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 | 0.1 |
| Sample size (person records) | 7417810 |
| Sample weights | Calculated by national statistical office. |
| Units identified in microdata | |
| Dwellings | Yes |
| Vacant units | Yes |
| Households | Yes |
| Collective dwellings | No |
| 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. |
| Census/survey characteristics | |
| Type | Census |
| Title | 2010 Census of Population and Housing |
| Statistical agency | Philippine Statistics Authority |
| Population universe | All residents of the country at the time of the census |
| De jure or de facto | De jure |
| Census/survey day | May 1, 2010 |
| Questionnaire | Separate short and long household forms. A systematic cluster sample design was used, with 20% of households in large municipalities and 100% of households in small municipalities receiving the long form. |
| Type of fieldwork | Direct enumeration |
| Microdata sample characteristics | |
| Sample design | Systematic sample of every second household that received the long (sample) questionnaire, drawn by IPUMS |
| Sample fraction | 0.1 |
| Sample size (person records) | 9411256 |
| Sample weights | Weights computed by census office |
| Units identified in microdata | |
| Dwellings | No |
| Vacant units | No |
| Households | Yes |
| Collective dwellings | No |
| Smallest geography | Municipality |
| 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 which are not intended for habitation, such as commercial, industrial, and agricultural buildings, or natural and man-made shelters such as caves, boats, abandoned trucks, culverts, and others, but which are 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 sleep in the same housing unit and have a common arrangement in the preparation and consumption of food. |
| Collective dwellings | Institutional living quarter (ILQ) is a structurally separate and independent place of abode intended for habitation by large groups of individuals (10 or more). Such a quarter usually has certain common facilities such as kitchen and dining rooms, toilet and bath, and lounging areas, which are shared by the occupants. The occupants of an ILQ are usually subject to a common authority or management or are bound by either a common public objective or a common personal interest. |