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Sample characteristics: Trinidad and Tobago

Census/survey characteristics
Type Census
Title Commonwealth Caribbean Population Census, 1970 Trinidad and Tobago
Statistical agency Central Statistical Office
Population universe All persons in Trinidad and Tobago at the specified Census moment. This includes information about "where they spent Census night"
De jure or de facto De facto
Census/survey day April 7, 1970
Field work period Pre enumeration runs from March 11, 1970 to April 2, 1970.
Questionnaire Census Questinnaire - Form C1
Type of fieldwork Direct enumeration
Microdata sample characteristics
Sample fraction 10%
Sample size (person records) 69,349
Sample weights Self-weighting (expansion factor=13.4)
Units identified in microdata
Dwellings Yes
Vacant units No
Households Yes
Collective dwellings Yes
Smallest geography Region
Unit definitions
Dwellings A dwelling unit is any room or group of rooms used or intended to be used for living purposes and which has separate access to the street or to a common landing or staircase.
Households Consists of one or more persons living together and sharing at least one of the main daily meals. Members are not necessarily related.
Collective dwellings An institution is defined as living quarters in which the occupants live collectively for disciplinary, health, educational, religious, military, work, or other reasons.
Census/survey characteristics
Type Census
Title 1980 Population and Housing Census
Statistical agency Central Statistical Office
Population universe All persons in Trinidad and Tobago at the specified Census moment. This includes information about "where they spent Census night"
De jure or de facto De facto
Census/survey day May 12, 1980
Field work period Pre enumeration begins 14 April, 1980
Questionnaire Single questionniare that contains 49 questions in 10 sections
Type of fieldwork Direct enumeration
Microdata sample characteristics
Sample design Systematic sample of every tenth private dwelling drawn by the Minnesota Population Center from 100% microdata
Sample fraction 10%
Sample size (person records) 105,464
Sample weights Self-weighting (expansion factor=10)
Units identified in microdata
Dwellings Yes
Vacant units No
Households Yes
Collective dwellings Yes
Smallest geography Region
Unit definitions
Dwellings Any building or separate and independent part of a building in which a person or group of persons are living at the time of the census enumeration.
Households Consists of one or more persons living together and sharing at least one of the main daily meals. Members are not necessarily related.
Collective dwellings An institution is defined as living quarters in which the occupants live collectively for disciplinary, health, educational, religious, military, work, or other reasons.
Census/survey characteristics
Type Census
Title 1990 Population and Housing Census
Statistical agency Central Statistical Office
Population universe The total population is to be enumerated at the place where found at the time of the census including persons living in private households, persons living in non-private dwellings, vagrants, persons on ships in port at the time of the census, foreign military, naval and diplomatic personnel and their families located in the country at the time of the census.
De jure or de facto De facto
Census/survey day May 15, 1990
Field work period Pre enumeration begins 17 April, 1990
Questionnaire Single questionniare that contains 49 questions in 10 sections
Type of fieldwork Direct enumeration
Microdata sample characteristics
Sample design Systematic sample of every tenth private dwelling drawn by the Minnesota Population Center from 100% microdata
Sample fraction 10%
Sample size (person records) 113,104
Sample weights Self-weighting (expansion factor=10)
Units identified in microdata
Dwellings Yes
Vacant units No
Households Yes
Collective dwellings Yes
Smallest geography Region
Unit definitions
Dwellings Any building or separate and independent part of a building in which a person or group of persons are living at the time of the census enumeration.
Households Consists of one or more persons living together and sharing at least one of the main daily meals. Members are not necessarily related.
Collective dwellings An institution is defined as living quarters in which the occupants live collectively for disciplinary, health, educational, religious, military, work, or other reasons.
Census/survey characteristics
Type Census
Title 2000 Population and Housing Census
Statistical agency Central Statistical Office
Population universe All persons in Trinidad and Tobago at the specified Census moment
De jure or de facto De facto
Census/survey day May 15, 2000
Field work period Pre enumeration starts April 17, 2000
Questionnaire Household questionnaire for households and Group A Institutions. Institutional questionnaire for Group B institutions.
Type of fieldwork Direct enumeration
Microdata sample characteristics
Sample design Systematic sample of every tenth private dwelling drawn by the Minnesota Population Center from 100% microdata
Sample fraction 10%
Sample size (person records) 111,833
Sample weights Self-weighting (expansion factor=10)
Units identified in microdata
Dwellings Yes
Vacant units No
Households Yes
Collective dwellings Yes
Smallest geography Region
Unit definitions
Dwellings A room or group of rooms with a separate entrance not accessed through someone else's living quarters.
Households Consists of one or more persons living together and sharing at least one of the main daily meals. Members are not necessarily related.
Collective dwellings An institution is defined as living quarters in which the occupants live collectively for disciplinary, health, educational, religious, military, work, or other reasons.
Census/survey characteristics
Type Census
Title 2011 Population and Housing Census
Statistical agency Central Statistical Office
Population universe All persons present in the country at the Census Moment- citizen or non citizen. A second count of all persons who usually reside in Tranidad and Tobago.
De jure or de facto De facto and de jure
Census/survey day January 9, 2011
Field work period January 9th - May 31st 2011
Questionnaire Single census questionnaire containing 61 questions organized under 13 sections.
Type of fieldwork Direct enumeration
Microdata sample characteristics
Sample design Systematic sample of every tenth private dwelling drawn by the Minnesota Population Center from 100% microdata
Sample fraction 10%
Sample size (person records) 116,917
Sample weights Self-weighting (expansion factor=10)
Units identified in microdata
Dwellings Yes
Vacant units Yes
Households Yes
Collective dwellings Yes
Smallest geography Region
Unit definitions
Dwellings A room or group of rooms with a separate entrance not accessed through someone else's living quarters.
Households Consists of one or more persons living together (sleeping most nights of the week) and sharing at least one of the main daily meals. Members are not necessarily related.
Collective dwellings Strucutrally separate and independent places of abode intended for habitation by large groups of households or several households and are occuped at the time of the census. This includes hotels, lodging houses, institutions, ships in harbor, and camps.