Sample characteristics: Tanzania
| Census/survey characteristics | |
| Type | Census |
| Title | The United Republic of Tanzania, Population Census 1988 |
| Statistical agency | National Bureau of Statistics |
| Population universe | All persons in the country at the census date, except for diplomats and their families |
| De jure or de facto | De facto |
| Census/survey day | August 27, 1988 |
| Questionnaire | A short questionnaire for all dwellings and a long questionnaire for a sample of the population. There was a separate "collective questionnaire" for group living arrangements. |
| Type of fieldwork | Direct enumeration |
| Microdata sample characteristics | |
| Sample design | Sample drawn by NBS from long form questionnaire. Approximately 15% of rural enumeration areas within each district received the long form questionnaire; urban areas were sampled at a higher density. The NBS calculated expansion factors to account for sampling.
IPUMS drew a systematic 1-in-2 sample from the original 20% sample. |
| Sample fraction | 0.1 |
| Sample size (person records) | 2310424 |
| Sample weights | Computed by census agency and should be used for most types of analysis. |
| Units identified in microdata | |
| Dwellings | No |
| Vacant units | No |
| Households | Yes |
| Collective dwellings | No |
| Smallest geography | District |
| Census/survey characteristics | |
| Type | Census |
| Title | The United Republic of Tanzania, 2002 Population and Housing Census |
| Statistical agency | National Bureau of Statistics |
| Population universe | All persons in the country at the census date, except for diplomats and their families |
| De jure or de facto | De facto |
| Census/survey day | August 22, 2002 |
| Questionnaire | A short questionnaire administered to 75% of enumeration areas and a long questionnaire adminstered to 25% of enumeration areas. |
| Type of fieldwork | Direct enumeration |
| Microdata sample characteristics | |
| Sample design | Sample drawn by NBS from long form questionnaire. Weights provide expansion factors. Approximately 15% of rural enumeration areas within each district received the long form questionnaire; urban areas were sampled at a higher density. IPUMS drew a systematic two-thirds subsample to reduce the original dataset from 15 to 10%. |
| Sample fraction | 0.1 |
| Sample size (person records) | 3732735 |
| Sample weights | Computed by census agency and should be used for most types of analysis. |
| Units identified in microdata | |
| Dwellings | No |
| Vacant units | No |
| Households | Yes |
| Collective dwellings | Yes |
| Smallest geography | District |
| Unit definitions | |
| Dwellings | This is a building persons use solely for lodging purposes. Buildings which are not used for lodging such factories or warehouses as are not dwellings. |
| Households | The group of people related or not that usually live together in one or more dwellings, eat together, and together take care of their daily fundamental needs. Usually a household is made up of a man, woman, and their children. Other relatives, guests and servants are counted as part of the household if they spent the night preceding the census in the household. As an exception a household can be made up of a single person. |
| Collective dwellings | The group of people living together in camps, boarding schools, hospitals, prisons, and other collective households such as these. |
| Census/survey characteristics | |
| Type | Census |
| Title | 2012 Population and Housing Census |
| Statistical agency | National Bureau of Statistics |
| Population universe | All persons in the country at the census date, except for diplomats and their families |
| De jure or de facto | De facto |
| Census/survey day | August 26, 2012 |
| Field work period | August 26, 2012 |
| Questionnaire | A short questionnaire will have 37 questions (given to 70% of the enumeratioed areas) and a long questionnaire will have 62 questions (given to 30% of the enumeration areas). |
| Type of fieldwork | Direct enumeration |
| Microdata sample characteristics | |
| Sample design | Systematic Sampling (random start, then 1 out of every 2.5 private households from the processed 25% households) by MPC. |
| Sample fraction | 0.1 |
| Sample size (person records) | 4498022 |
| Sample weights | Differential weights provided by the National Statistical Office. |
| Units identified in microdata | |
| Dwellings | No |
| Vacant units | No |
| Households | Yes |
| Collective dwellings | No |
| Smallest geography | District |
| Unit definitions | |
| Dwellings | A building used solely for lodging purposes. |
| Households | A household include persons who normally live and eat together (they cooperate in order to meet their daily needs). |
| Collective dwellings | The group of people living together in camps, boarding schools, hospitals, prisons, and other collective households such as these. |