Sample characteristics: Romania

Census characteristics
  1977 1992 2002
Title of census Population and Housing Census Population and Housing Census Population and Housing Census  
Census agency National Institute of Statistics (NIS) National Commission for Statistics (NCS) National Institute of Statistics (NIS)  
Population universe All Romanian citizens inside Romania or temporarily abroad, and foreigners or people without citizenship who have legal residence in Romania The entire population of the country Population did not include Romanian citizens with a legal residence in Romania who left the country more than one year ago, but it included foreign citizens who established their usual residence in Romania more than one year ago.  
De jure or de facto De jure De jure De jure  
Enumeration unit Household Household Household  
Census day January 5, 1977 January 7, 1992 March 18, 2002  
Field work period January 5-12, 1977 7 - 14 January 18 - 27 March  
Enumeration forms used Three forms: LP- building, dwelling, persons; UC- collective living units, hostel type; and UH- collective living units hotel type. PL - Persons, private dwelling; PC - Persons in collective units - hostel type; PH - Persons in collective units - hotel type PL - Persons, private dwelling; PC - Persons living in collective units - hostel type; PH - Persons in collective units - hotel type  
Type of field work Direct (face to face) interview Direct (face to face) interview Direct (face to face) interview  
Respondent Adult person who is able to answer questions Adult person - for the building, dwelling and household information and for children under 14 Each person - for individuals 14 years and over. Adult person - for the building, dwelling and household information and for children under 14 Each person - for individuals 14 years and over.  
Coverage 97.26% 99.67% 99.83%  

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Microdata sample characteristics
  1977 1992 2002
Microdata source National Institute of Statistics (NIS) NCS NIS  
Sample design Systematic sample of every tenth household after a random start, drawn by the country Systematic; every tenth household after a random start Systematic; every tenth household after a random start  
Sample unit Household Household Household  
Sample fraction 10% 10% 10%  
Sample size (person records) 1,937,021 2,238,578 2,137,967  
Sample weights Self-weighting (expansion factor=10) Self-weighting (expansion factor=10) Self-weighting (expansion factor=10)  

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Units Identified in Microdata
  1977 1992 2002
Dwellings Yes Yes Yes  
Vacant units Not available in microdata sample Not available in microdata sample Not available in microdata sample  
Households Yes Yes Yes  
Individuals Yes Yes Yes  
Group quarters Not available in microdata sample Not available in microdata sample Not available in microdata sample  
Settled/Unsettled Population Not specified Unknown Unknown  
Special populations Not defined Not defined Not defined  
Smallest geography County County with 20,000+ population County with 20,000+ population  

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Unit Definitions (Census)
  1977 1992 2002
Dwellings A building in unit, comprising a room or a suite of rooms for habitation, situated at the same floor or different floors, provided, generally, with accessories (kithen, bathroom, etc.), or other independent utilities designated for use, having separate entrance from the stairs case, from the yard or from the street, which were build up, transformed or adapted to be usable by a single household Built unit generally endowed with annexes (kitchen, bathroom), functionally independent, with separate entrance Built unit generally endowed with annexes (kitchen, bathroom), functionally independent, with separate entrance  
Households A group of two or more persons, living usually together, having generally relative relations and are commonly managing their economy (together are sharing the food supply and consumption, and other essential for living) Persons living together, generally relatives, with a common income and expenditure budget Persons living together, generally relatives, with a common income and expenditure budget  
Group quarters The collective living unit, hostel type, comprises one or more distinct buildings-under the unique administration, at the unique address- intended and designed for collective permanent living, by many persons, generally not related among them, but who are united for joint purposes and interests, and who commonly are using some spaces and facilities (bathrooms, kitchens, dining rooms, toilet, etc.). The collective living unit, hotel type, comprises one or more buildings-under the unique administration, at the same address- designated to be occupied temporarily by one or more persons, usually temporarily present in the place (who arrived on mission, excursion, vacationing, medical care etc.), provided with spaces and facilities commonly used (as bath rooms, kitchens, dining rooms, toilets, etc.). One or more distinct building inhabited by many persons united for joint purposes and interests and who share some spaces and facilities One or more distinct building inhabited by many persons united for joint purposes and interests and who share some spaces and facilities  
Unsettled population Not defined Not defined Not defined  

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