Population Pyramids of the World from 1950 to 2100

United Republic of Tanzania Population Pyramid 2031

United Republic of Tanzania
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2031
Population: 83,087,938

Year

-5 -1   2031  +1 +5

Country

A B C D E F G H I J K L M N O P Q R S T U V W Y Z
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Summary

United Republic of Tanzania in 2031

By 2031, the population of the United Republic of Tanzania is expected to reach 83,087,938. Ten years before, in 2021, the projected population is 62,830,412 — 32.2% lower.

Half of the population would be younger than 19.3 years, with 40.9% children under 15 and 3.0% aged 65 or older. This is an expansive pyramid — each cohort of children is larger than the one above it, the signature of high birth rates and rapid growth.

Ranks #19 of 201 by population Ranks #192 of 201 by median age Ranks #10 of 201 by growth

Share of the population by age group, 1950–2100

Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.

Key indicators for United Republic of Tanzania
Population
83,087,938
Median age
19.3
0-14 %
40.9%
65+ %
3.0%
Child dependency
72.8
Old-age dependency
5.4
Region
AFRICA
Pyramid shape
Expansive
Population 2050
129,621,103
Population 2100
262,834,721
What is driving the change
Births per woman
Total fertility rate, 1960–2023
12345678
1960Replacement level (2.1)2023 · 4.61

The fertility rate of the United Republic of Tanzania was 4.61 births per woman in 2023, above the 2.1 needed to replace each generation.

Source: World Bank World Development Indicators, latest available year.

Life expectancy at birth
Years, 1960–2023
Total Women Men
304050607080
19602023 · 67.0

Life expectancy at birth was 67.0 years in 2023: 69.8 for women and 64.2 for men.

Source: World Bank World Development Indicators, latest available year.

People supported per 100 workers
Dependency ratios, 1950–2100
Children Older adults
255075100
19502100
Migration to and from United Republic of Tanzania
Where immigrants come from (2024)

422,894 immigrants live in United Republic of Tanzania, 0.6% of the population.

Burundi241,069
D.R. Congo76,772
Kenya26,345
Congo24,189
Mozambique14,166
Where emigrants live (2024)

224,998 people born in United Republic of Tanzania live in other countries.

Rwanda42,664
Burundi37,409
Kenya32,860
Uganda22,790
Canada21,068
Explore
Immigration statistics Origin of migrant stocks map

Source: United Nations International Migrant Stock 2024.

How United Republic of Tanzania compares with its neighbours
Country Population Median age Relative size
United Republic of Tanzania 83,087,938 19.3
Kenya 64,230,118 22.7
Uganda 59,703,535 19.3
Mozambique 41,931,257 18.5
Madagascar 37,495,706 21.3
Frequently asked questions about United Republic of Tanzania's population
What will the population of the United Republic of Tanzania be in 2031?
The United Republic of Tanzania is projected to have a population of 83,087,938 in 2031.
Is the United Republic of Tanzania's population growing or shrinking?
Yes, growing: up 32.2% from 2021, with a projected population of 129,621,103 in 2050.
What is the median age in the United Republic of Tanzania?
The United Republic of Tanzania's median age is 19.3 years.
How many children and older people live in the United Republic of Tanzania?
3.0% of the United Republic of Tanzania's population is 65 or older, and 40.9% is under 15.
What type of population pyramid does the United Republic of Tanzania have?
The United Republic of Tanzania's pyramid is expansive — broad at the bottom, the signature of high birth rates and a growing population.

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