Sierra Leone vs Upper middle income: Population ages 0-14

Sierra Leone
37.7%
in 2025
Upper middle income
19.6%
in 2025
Sierra Leone rank
36th
Upper middle income rank
35th

Population ages 0-14 over time

  • Sierra Leone
  • Upper middle income
010203040196019922025

How they compare

Sierra Leone currently reports 37.7% against 19.6% in Upper middle income, a difference of 18.1%.

That makes Sierra Leone's figure about 1.9 times Upper middle income's.

The two have swapped places 1 time across 66 shared years of data; in 1960 it was Upper middle income ahead.

Sierra Leone ranks 36th and Upper middle income ranks 35th of 218 countries.

Across the 7 decades both report, Sierra Leone averaged higher in 6 and Upper middle income in 1.

Head to head by decade

Decade Sierra Leone Upper middle income Difference Ahead
1960s 39.0% 41.2% 2.1% Upper middle income
1970s 41.1% 40.1% 1.0% Sierra Leone
1980s 42.4% 34.8% 7.6% Sierra Leone
1990s 43.3% 30.7% 12.6% Sierra Leone
2000s 43.7% 25.2% 18.6% Sierra Leone
2010s 41.9% 22.3% 19.6% Sierra Leone
2020s 38.7% 20.6% 18.1% Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population ages 0-14, Sierra Leone or Upper middle income?
Sierra Leone, at 37.7% against 19.6% in Upper middle income as of 2025.
What is the difference in population ages 0-14 between Sierra Leone and Upper middle income?
18.1%, with Sierra Leone ahead.
How many years of comparable data are there for Sierra Leone and Upper middle income?
66 years are reported by both, from 1960 to 2025.
How do Sierra Leone and Upper middle income rank globally for population ages 0-14?
Sierra Leone ranks 36th and Upper middle income ranks 35th 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.

Individual pages

Share, cite or embed this page

Cite this page

Sierra Leone vs Upper middle income: Population ages 0-14. Statizoid, drawing on United Nations Population Division. World Population Prospects., United Nations Population Division. Retrieved 07 September 2026, from https://education.statizoid.com/compare/population-ages-0-14-percent-of-total-population/sierra-leone/upper-middle-income/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (World Bank Open Data); please keep the attribution.

<a href="https://education.statizoid.com/compare/population-ages-0-14-percent-of-total-population/sierra-leone/upper-middle-income/">Sierra Leone vs Upper middle income: Population ages 0-14</a> — Statizoid

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.