Sample characteristics: Poland
| Census/survey characteristics | |
| Type | Census |
| Title | National Population and Housing Census 1978 |
| Statistical agency | Central Statistical Office |
| Population universe | All individuals who were registered in a dwelling at the census moment regardsless of if they were inhabiting the dwelling at that moment. |
| De jure or de facto | De jure |
| Census/survey day | December 6/7 1978 |
| Field work period | 7-13 December 1978 |
| Questionnaire | A- population and housing. Az- collective housing. B- population sample survey of randomly selected individuals. C- vacants |
| Type of fieldwork | Direct enumeration |
| Microdata sample characteristics | |
| Sample design | Systematic; every tenth private household after a random start. Additionally every 10th individual in collective housing in the household. |
| Sample fraction | 0.1 |
| Sample size (person records) | 3577272 |
| Sample weights | Self-weighting (expansion factor=10) |
| Units identified in microdata | |
| Dwellings | Yes |
| Vacant units | No |
| Households | Yes |
| Collective dwellings | Yes |
| Smallest geography | Voivodeship |
| Unit definitions | |
| Dwellings | A dwelling in a housing unit incorporating one or more habitable space, as well as several auxiliary rooms (such as bathrooms, hall, toilets, etc) which has been built or modified to serve habitation-related purposes and constiutes an integral strucutral whole. Every dwelling should possess a separate entrance. |
| Households | A household is a number of related and nonrelated individuals who have been living or staying togther in one dwelling and support each other financially. |
| Collective dwellings | Collective housing units are hostels, dormitories, student's houses, child's houses, teenager support houses, small child care facilities, pensioner houses, facilities for severely and permanently ill individuals, facilities for blind people, care centers for diabled or mentally ill patients, professional car facilities, monasteries, convents, and other collective housing units as such in which the occupants live for a longer time or permanently. |
| Census/survey characteristics | |
| Type | Census |
| Title | National Census of Population and Housing 1988 |
| Statistical agency | Central Statistical Office |
| Population universe | All individuals who were registered in a dwelling at the census moment regardsless of if they were inhabiting the dwelling at that moment. |
| De jure or de facto | De jure |
| Census/survey day | December 6/7 1988 |
| Field work period | 7-12 December 1988 |
| Questionnaire | A form: on population and housing. C-obw form: summary for registered districts. With additional forms for women fertility, dwelling characteristics, or businesses. |
| Type of fieldwork | Direct enumeration |
| Microdata sample characteristics | |
| Sample design | Systematic; every tenth private household after a random start. Additionally every 10th individual in collective housing in the household. |
| Sample fraction | 0.1 |
| Sample size (person records) | 3894527 |
| Sample weights | Self-weighting (expansion factor=10) |
| Units identified in microdata | |
| Dwellings | Yes |
| Vacant units | No |
| Households | Yes |
| Collective dwellings | Yes |
| Smallest geography | Voivodeship |
| Unit definitions | |
| Dwellings | A dwelling is a separate set of rooms or one room with separate supportive speace bordered with solid walls, regardless whether it is inhabited according to one or more ownership titles. Every dwelling should possess a separate enterance. |
| Households | A household is a number of related and nonrelated individuals who have been living or staying togther in one dwelling and support each other financially. |
| Collective dwellings | Collective housing a a hotel-like object renting a space in relation to performed work, sutdies, recovering, social help and monastaeries. |
| Census/survey characteristics | |
| Type | Census |
| Title | National Census of Population and Housing in 2002 |
| Statistical agency | Central Statistical Office of Poland |
| Population universe | All persons residing permanently or temporariliy on the census day, including foreigners. |
| De jure or de facto | De jure |
| Census/survey day | May 20/21, 2002 |
| Field work period | 21 May through 8 June 2002 |
| Questionnaire | A- population and housing. M- Migration. D- Fertility sample survey of women aged 16 and older. |
| Type of fieldwork | Direct enumeration |
| Microdata sample characteristics | |
| Sample design | Systematic; every tenth private household after a random start. Additionally every 10th individual in collective housing in the household. |
| Sample fraction | 0.1 |
| Sample size (person records) | 3824056 |
| Sample weights | Self-weighting (expansion factor=10) |
| Units identified in microdata | |
| Dwellings | Yes |
| Vacant units | No |
| Households | Yes |
| Collective dwellings | Yes |
| Smallest geography | Voivodeship |
| Unit definitions | |
| Dwellings | A dwelling is premises comprising one or several rooms, including auxiliary rooms, built or remodelled for residential purposes, strucutrally separated (by fixed walls) within a building into which a separate entrance leads from a staircases, a passage, a common hall or directly from the street, courtyard, or garden. |
| Households | Group of persons (related or not) who live together and share living costs. |
| Collective dwellings | Collective housing is a set of rooms (living rooms and auxiliary roomes) located in one or more buildings belonging to one instiution providing care, hotel or other service. In some collective housing people may live for longer time (from several months to several years) or for good e.g. dormitories, boarding schools, orphanages, care houses, monasteries etc. In some colective housing, people stay shorter time e.g. hotels, hospitals, spas. |
| Census/survey characteristics | |
| Type | Census |
| Title | National Population and Housing Census 2011 |
| Statistical agency | Central Statistical Office of Poland |
| Population universe | The data will be collected from various administrative sources in addtion to confirming data by respondents online, via telephone, or through direct interviews. |
| De jure or de facto | De jure |
| Census/survey day | March 31, 2011 |
| Field work period | April 1 to June 20,2011 |
| Questionnaire | Electronic froms: long and short. Offline forms: short. Direct enumeration using CATI and CAPI methods. |
| Type of fieldwork | Internet self-enumeration, phone interview, direct enumeration, sample survey, census of persons in collective living quarters and the homeless persons, and a survey of the homeless. |
| Microdata sample characteristics | |
| Sample design | The sample frame required a special preparation due to the fact that is was applied the one-step stratified sampling scheme, the corresponding sampling frame and the sample allocation in various poviats (in all previous censuses in the accompanying census sample survey used two-step strafitied sampling schemes). |
| Sample fraction | 0.05 |
| Sample size (person records) | 4051255 |
| Sample weights | Self-weighting (expansion factor=10) |
| Units identified in microdata | |
| Dwellings | Yes |
| Vacant units | No |
| Households | Yes |
| Collective dwellings | Yes |
| Smallest geography | Voivodeship |
| Unit definitions | |
| Dwellings | A dwelling is premises comprising one or several rooms, including auxiliary rooms, built or remodelled for residential purposes, strucutrally separated (by fixed walls) within a building into which a separate entrance leads from a staircases, a passage, a common hall or directly from the street, courtyard, or garden. |
| Households | A composition of related and unrelated persons living together and having registered sources of maintenance. |
| Collective dwellings | Collective living quarters are a complex of rooms and other auxiliary facilities located in one or more buildings, and occupied by one separate establishment rendering the following syteps of serviceL care and education, residential healthcare, hotel service or other, and which the services is usually inhabited by a larger number of persons. |