The Ministry of Finance and Planning through the National Bureau of Statistics (NBS) in cooperation with the Office of the Chief Statistician of Zanzibar (OCGS), are  preparing to conduct the Census on 23rd August 2022.

The exercise is conducted every 10 years, the last was in 2012.Tanzania has since independence conducted five Population and Housing Censuses in 1967, 1977, 1988 and 2002 and 2012.

According to the 2012 census, the total population was 44,928,923 compared to 12,313,469 in 1967, resulting in an annual growth rate of 2.9 percent.

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The under 15 age group represented 44.1 percent of the population, with 35.5 percent being in the 15–35 age group, 52.2 percent being in the 15–64 age group, and 3.8 percent being older than 64.

According to the 2012 revision of the World Population Prospects, children below the age of 15 constituted 44.8 percent of the total population, with 52.0 percent aged 15–64 and 3.1 percent aged 65 or older.