Sources of Demographic Data in Tanzania
1. National Population and Housing Censuses
- Conducted by the National Bureau of Statistics (NBS) every 10 years.
- Example: The 2022 Population and Housing Census collected data on population size, distribution, age, sex, education, employment, and housing conditions.
2. Household Budget Surveys (HBS)
- Conducted by the NBS on a regular basis (e.g., every 3 years).
- Example: The 2017/18 HBS collected data on household expenditures, income, and demographic characteristics.
3. Demographic and Health Surveys (DHS)
- Conducted by the National Bureau of Statistics in collaboration with the Tanzania Demographic and Health Centre.
- Example: The 2015/16 DHS collected data on fertility, mortality, maternal and child health, and family planning.
4. Multiple Indicator Cluster Surveys (MICS)
- Conducted by the Tanzania Bureau of Statistics in collaboration with UNICEF.
- Example: The 2020 MICS collected data on child mortality, nutrition, education, and water and sanitation.
5. Vital Registration System
- Registers births, deaths, and marriages.
- Example: The Integrated Health Management Information System (IHMIS) collects and stores data on vital events.
6. Civil Registration System
- Registers citizens and issues national identity cards.
- Example: The National Identification Authority (NIDA) manages the civil registration system and collects demographic data.
7. School Enrollment Statistics
- Collected by the Ministry of Education, Science and Technology.
- Example: The Basic Education Statistics in Tanzania provide data on school attendance, enrollment rates, and teacher-student ratios.
8. Labor Force Surveys
- Conducted by the NBS on a regular basis.
- Example: The 2018/19 Labor Force Survey collected data on employment, unemployment, and informal sector employment.
9. Immigration and Emigration Statistics
- Collected by the Department of Immigration Services.
- Example: Data on the number of foreign residents, their countries of origin, and their reasons for migration.
10. National Health Management Information System (NHMIS)
- Collects health-related data, including demographic information such as age, sex, and place of residence.
- Example: Data on hospital admissions, outpatient visits, and health facility utilization.