Sample characteristics: Turkey

Census characteristics
  1985 1990 2000
Title of census The 1985 General Population Census The 1990 General Population Census The 2000 General Population Census
Census agency State Institute of Statistics of Turkey State Institute of Statistics of Turkey State Institute of Statistics of Turkey
Population universe The total population at localities where they are physically present on the census day. The total population within the boundaries of the country on the day of enumeration at localities where they were physically present on the census day. All the persons present at places that constitute a household, that do not constitute a household like dormitories, military quarters, prisons, hospitals, hotels, etc., and the nomadic population (thus all the population within the boundaries of the country on the census day).
De jure or de facto De facto De facto De facto
Enumeration unit Dwelling Dwelling Dwelling
Census day October 20, 1985 October 21, 1990 October 22, 2000
Field work period Single day of enumeration Single day of enumeration Single day of enumeration
Enumeration forms used Single form with 4 sections: address information, dwelling type information, household questions, and personal characteristics. Single form with 4 sections: address information, dwelling type information, household questions, and personal characteristics. Single form with 4 sections: address information, dwelling type information, household questions, and personal characteristics.
Type of field work Direct enumeration Direct enumeration Direct enumeration
Coverage --- --- ---

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Microdata sample characteristics
  1985 1990 2000
Microdata source State Institute of Statistics of Turkey State Institute of Statistics of Turkey State Institute of Statistics of Turkey
Sample design Systematic random sampling by province Systematic random sampling by province Systematic random sampling by province
Sample unit Households, otherwise individuals if enumerated in non-household places on census day. Households, otherwise individuals if enumerated in non-household places on census day. Households, otherwise individuals if enumerated in non-household places on census day.
Sample fraction 5% 5% 5%
Sample size (person records) 2,507,758 2,817,455 3,388,218
Sample weights Self-weighting (expansion factor=20) Self-weighting (expansion factor=20) Self-weighting (expansion factor=20)

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Units Identified in Microdata
  1985 1990 2000
Dwellings No No No
Vacant units No No No
Households Yes Yes Yes
Individuals Yes Yes Yes
Group quarters Yes Yes Yes
Smallest geography District District District

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Unit Definitions (Census)
  1985 1990 2000
Dwellings Place where people reside. Place where people reside. Place in which people are living/ being sheltered, or are present on census day like a detached house; an apartment flat; a prefabricated house; a tent, a shack, etc.; a hotel, motel, hostel; a train, a boat, a bus, a terminal, etc.; a hospital, a health clinic; a military post, garrison, an officer's club, etc.; a boarding school, a dormitory; a child daycare facility, an orphanage, a nursing home; a prison, a reform school, or other places (a factory, an official office, an embassy, etc.).
Households That collectivity composed of one or several people, whether bound by kinship or not, living in the same house or in a portion of the same house, sharing in the provision of service or in the management of the household, who do not separate their income and expenses among themselves. People lacking a kinship bond among themselves, but who live together on a continuous basis for various reasons and make no distinction among themselves in terms of their expenses and earnings, are considered to be households. That collectivity composed of one or several people, whether bound by kinship or not, living in the same house or in a portion of the same house, sharing in the provision of service or in the management of the household, who do not separate their income and expenses among themselves. People lacking a kinship bond among themselves, but who live together on a continuous basis for various reasons and make no distinction among themselves in terms of their expenses and earnings, are considered to be households. Social entities made up of one or more persons, whether bound by kinship or not, living in the same dwelling or in a portion of the same dwelling, participating in the provision of service or management to the household, who make no distinctions among themselves in terms of their income or expenses.
Group quarters Military barracks, jails, hospitals, clinics, boarding schools, prisons, transit stations, factories, embassies. Military barracks, jails, hospitals, clinics, boarding schools, prisons, transit stations, factories, embassies. Places such as a hotel, a motel, a hostel, a train, a boat, a bus, a train station, a terminal, a port, a hospital, a health clinic, a military post, a garrison, an officer's club, a boarding school, a dormitory, a nursing home, a child daycare facility, an orphanage, a jail, a reform school, and others (a factory, an official office, an embassy, etc.).

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