Tanzania: Percent children

* indicates monthly or quarterly data series
 Tanzania

Population ages 0-14, percent of total

 Latest value 42.34
 Year 2025
 Measure percent
 Data availability 1960 - 2025
 Average 45.31
 Min - Max 42.34 - 47.56
 Source United Nations Population Division
 Available for Data download
The latest value from 2025 is 42.34 percent, a decline from 42.54 percent in 2024. In comparison, the world average is 25.48 percent, based on data from 196 countries. Historically, the average for Tanzania from 1960 to 2025 is 45.31 percent. The minimum value, 42.34 percent, was reached in 2025 while the maximum of 47.56 percent was recorded in 1983. See the global rankings for that indicator or use the country comparator to compare trends over time.
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* indicates monthly or quarterly data series
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 Recent values Tanzania: Percent children
 2025 42.34
 2024 42.54
 2023 42.72
 2022 42.92
 2021 43.13
 2020 43.37
 2019 43.59
 2018 43.76




Definition: Total population below the age of 14 as a percentage of the total population. Population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship.

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 Related indicators Latest Reference Measure
 Population size 70.55 2025 million
 Percent urban population 36.88 2025 percent
 Population density 75 2023 people per square km
 Population ages 65 and above 3.04 2025 percent
 Percent children 42.34 2025 percent
 Percent female population 50.42 2025 percent
 Rural population, percent 63.12 2025 percent
 Age dependency ratio 83.09 2025 percent
 Refugee population 188,953 2023 refugees
 Migrant population 1 2024 percent
 Population growth 2.86 2025 percent
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