Which has higher population ages 0-14, Mauritania or Tanzania, United Republic of?

Mauritania, at 42.4% against 42.3% in Tanzania, United Republic of as of 2025.

How many years of comparable data are there for Mauritania and Tanzania, United Republic of?

66 years are reported by both, from 1960 to 2025.

Where does this data come from?

United Nations Population Division. World Population Prospects., United Nations Population Division, published as Population ages 0-14 (% of total population). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Mauritania vs Tanzania, United Republic of: Population ages 0-14

Mauritania

42.4%

in 2025

Tanzania, United Republic of

42.3%

in 2025

Mauritania rank

12th

Tanzania, United Republic of rank

13th

Population ages 0-14 over time

Mauritania
Tanzania, United Republic of

How they compare

Mauritania currently reports 42.4% against 42.3% in Tanzania, United Republic of, a difference of 0.1%.

The two have swapped places 1 time across 66 shared years of data; in 1960 it was Tanzania, United Republic of ahead.

Mauritania ranks 12th and Tanzania, United Republic of ranks 13th of 218 countries.

Across the 7 decades both report, Mauritania averaged higher in 1 and Tanzania, United Republic of in 6.

Head to head by decade

Decade	Mauritania	Tanzania, United Republic of	Difference	Ahead
1960s	42.5%	45.2%	2.7%	Tanzania, United Republic of
1970s	45.3%	46.4%	1.0%	Tanzania, United Republic of
1980s	45.6%	47.2%	1.5%	Tanzania, United Republic of
1990s	44.7%	45.2%	0.5%	Tanzania, United Republic of
2000s	44.2%	44.8%	0.7%	Tanzania, United Republic of
2010s	44.1%	44.5%	0.4%	Tanzania, United Republic of
2020s	43.2%	42.8%	0.3%	Mauritania

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population ages 0-14, Mauritania or Tanzania, United Republic of?: Mauritania, at 42.4% against 42.3% in Tanzania, United Republic of as of 2025.
What is the difference in population ages 0-14 between Mauritania and Tanzania, United Republic of?: 0.1%, with Mauritania ahead.
How many years of comparable data are there for Mauritania and Tanzania, United Republic of?: 66 years are reported by both, from 1960 to 2025.
How do Mauritania and Tanzania, United Republic of rank globally for population ages 0-14?: Mauritania ranks 12th and Tanzania, United Republic of ranks 13th of 218 countries.
Where does this data come from?: United Nations Population Division. World Population Prospects., United Nations Population Division, published as Population ages 0-14 (% of total population). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Mauritania vs Tanzania, United Republic of: Population ages 0-14. Statizoid, drawing on United Nations Population Division. World Population Prospects., United Nations Population Division. Retrieved 10 September 2026, from https://education.statizoid.com/compare/population-ages-0-14-percent-of-total-population/mauritania/tanzania/

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About this data

Indicator: Population ages 0-14 (% of total population)
Unit: % of total population
Source: United Nations Population Division. World Population Prospects., United Nations Population Division
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 266 places, 17,556 data points, 1960–2025
Last refreshed: 03 September 2026

Population between the ages 0 to 14 as a percentage of the total population. Population is based on the de facto definition of population.