Read our Privacy Policy for more information about how we process your data.
You can change your preferences at any time by clicking the cookie icon in the footer.
If 2026 rates held for a lifetime, a woman in Tanzania would have about 4.41 children, above the 2.1 needed to sustain the population. Over the preceding five years it has fallen by 0.33 children per woman. About 2.5 million babies are born a year, a crude birth rate of 33.9 per 1,000. Its net reproduction rate sits at 2.04, above the 1.0 replacement mark. Women are having children at a mean age of 28.9 years. Mothers aged 15-19 account for 17% of births. By 2100, projections see it reaching 2.26 children per woman.
Fertility rate
4.41 children/woman
Birth rate
33.9 per 1,000 people
Total births
2.5M
Mean age at birth
28.9 years
Tanzania's fertility rate has fallen dramatically from 7.1 children per woman in 1974 to 4.41 today, still well above the 2.1 replacement level. Projections show continued decline to 2.26 by 2100. Teen pregnancy remains notable, with 17% of births to mothers aged 15-19.