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Sample characteristics: Bangladesh

Census/survey characteristics
Type Census
Title Population Census
Statistical agency Bangladesh Bureau of Statistics
Population universe Everyone who spent the night of March 11 to March 12 in Bangladesh.
De jure or de facto De facto
Census/survey day 12 a.m. to 5 a.m., March 12, 1991
Field work period March 12-15, 1991 (enumeration period)
Questionnaire A single enumeration form requested information on the dwelling and individuals in the household.
Type of fieldwork Direct interview
Estimated undercount Completion rate of 93.4%, with a missed rate of 6.6% and erroneously enumerated rate of 2%, resulting in a 4.6% net under enumeration rate (higher in urban areas)
Microdata sample characteristics
Sample design Systematic Sample of every 10th dwelling with a random start, drawn by IPUMS.
Sample fraction 10%
Sample size (person records) 10,580,904
Sample weights Self-weighting (expansion factor=10)
Units identified in microdata
Dwellings No
Vacant units No
Households Yes
Collective dwellings Yes
Smallest geography Upazila/Thana
Unit definitions
Households Person or persons related or unrelated, living together and taking food from the same kitchen.
Collective dwellings The hostels, hospitals, clinics, jails, barracks or orphanages where a person or a group of persons spent the census night.
Special populations The homeless or transient population found on the census night e.g. at railway stations, launch ghats, boats, majars, Mosques etc. Enumeration of this population was completed between 12 a.m. to 5 a.m. on March 12, 1991.

Offices, residential hotels, religious institutions, educational institutions, and businesses where persons stay overnight. Overnight security guards are included here.

Census/survey characteristics
Type Census
Title Population and Housing Census
Statistical agency Bangladesh Bureau of Statistics
Population universe Everyone who spent the night of January 22-23 in Bangladesh.
De jure or de facto De facto
Census/survey day 12 a.m. to 5 a.m., January 23, 2001
Field work period January 23-27, 2001 (enumeration period)
Questionnaire A single enumeration form requested information on the household and individuals in the household. Floating households were not asked questions about housing characteristics.
Type of fieldwork Direct interview
Estimated undercount 4.95%
Microdata sample characteristics
Sample design Systematic Sample of every 10th dwelling with a random start, drawn by IPUMS.
Sample fraction 10%
Sample size (person records) 12,442,115
Sample weights Self-weighting (expansion factor=10)
Units identified in microdata
Dwellings No
Vacant units No
Households Yes
Collective dwellings Yes
Smallest geography Upazila/Thana
Unit definitions
Households Person or persons related or unrelated, living together and taking food from the same kitchen.
Collective dwellings The hostels, hospitals, clinics, jails, barracks or orphanages where a person or a group of persons spent the census night.
Special populations The homeless or transient population found on the census night e.g. at railway stations, launch ghats, boats, majars, Mosques etc. Enumeration of this population was completed between 12 a.m. to 5 a.m. on January 23, 2001.

Offices, residential hotels, religious institutions, educational institutions, and businesses where persons stay overnight. Overnight security guards are included here.

Census/survey characteristics
Type Census
Title Population and Housing Census
Statistical agency Bangladesh Bureau of Statistics
Population universe Everyone who spent the night of March 14-15 in Bangladesh.
De jure or de facto De facto
Census/survey day 12 a.m. to 6 a.m., March 15, 2011
Field work period March 15-19, 2011 (enumeration period)
Questionnaire Long and short enumeration forms.
Type of fieldwork Direct interview
Estimated undercount No information available
Microdata sample characteristics
Sample design Systematic Sample of every 10th dwelling with a random start, drawn by Bureau of Statistics.
Sample fraction 5%
Sample size (person records) 7,205,720
Sample weights Self-weighting (expansion factor=10)
Units identified in microdata
Dwellings Yes
Vacant units No
Households Yes
Collective dwellings Yes
Smallest geography Upazila/Thana
Unit definitions
Households Person or persons related or unrelated, living together and taking food from the same kitchen.
Collective dwellings The hostels, hospitals, clinics, jails, barracks or orphanages where a person or a group of persons spent the census night.
Special populations The homeless or transient population found on the census night e.g. at railway stations, launch ghats, boats, majars, Mosques etc. Enumeration of this population was completed between 12 a.m. to 6 a.m. on March 15, 2011.

Offices, residential hotels, religious institutions, educational institutions, and businesses where persons stay overnight. Overnight security guards are included here.