Guinea vs Nigeria: Population ages 0-14

Guinea
40.5%
in 2025
Nigeria
40.5%
in 2025
Guinea rank
19th
Nigeria rank
20th

Population ages 0-14 over time

  • Guinea
  • Nigeria
01020304050196019922025

How they compare

Guinea currently reports 40.5% against 40.5% in Nigeria, a difference of 0.0%.

The two have swapped places 3 times across 66 shared years of data; in 1960 it was Nigeria ahead.

Guinea ranks 19th and Nigeria ranks 20th of 218 countries.

Across the 7 decades both report, Guinea averaged higher in 1 and Nigeria in 6.

Head to head by decade

Decade Guinea Nigeria Difference Ahead
1960s 40.0% 41.5% 1.5% Nigeria
1970s 41.3% 43.3% 2.1% Nigeria
1980s 42.9% 45.3% 2.4% Nigeria
1990s 43.9% 44.5% 0.7% Nigeria
2000s 45.2% 44.0% 1.2% Guinea
2010s 43.4% 44.1% 0.7% Nigeria
2020s 41.4% 41.7% 0.3% Nigeria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population ages 0-14, Guinea or Nigeria?
Guinea, at 40.5% against 40.5% in Nigeria as of 2025.
What is the difference in population ages 0-14 between Guinea and Nigeria?
0.0%, with Guinea ahead.
How many years of comparable data are there for Guinea and Nigeria?
66 years are reported by both, from 1960 to 2025.
How do Guinea and Nigeria rank globally for population ages 0-14?
Guinea ranks 19th and Nigeria ranks 20th 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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Guinea vs Nigeria: Population ages 0-14. Statizoid, drawing on United Nations Population Division. World Population Prospects., United Nations Population Division. Retrieved 05 September 2026, from https://education.statizoid.com/compare/population-ages-0-14-percent-of-total-population/guinea/nigeria/

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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

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