Eritrea vs Mongolia: Population by age group with projections

Eritrea
3.47 million
in 2023
Mongolia
3.43 million
in 2023
Eritrea rank
132nd
Mongolia rank
133rd

Population by age group with projections over time

  • Eritrea
  • Mongolia
1.0M2.0M3.0M195019862023

How they compare

Eritrea currently reports 3.47 million against 3.43 million in Mongolia, a difference of 38,450.

The two have swapped places 2 times across 74 shared years of data; in 1950 it was Eritrea ahead.

Eritrea ranks 132nd and Mongolia ranks 133rd of 236 countries.

Across the 8 decades both report, Eritrea averaged higher in 4 and Mongolia in 4.

Head to head by decade

Decade Eritrea Mongolia Difference Ahead
1950s 879,864 851,454 28,409 Eritrea
1960s 1.09 million 1.12 million 31,042 Mongolia
1970s 1.40 million 1.47 million 75,285 Mongolia
1980s 1.79 million 1.90 million 112,278 Mongolia
1990s 2.02 million 2.31 million 290,079 Mongolia
2000s 2.59 million 2.56 million 30,294 Eritrea
2010s 3.10 million 2.95 million 143,490 Eritrea
2020s 3.38 million 3.36 million 18,218 Eritrea

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population by age group with projections, Eritrea or Mongolia?
Eritrea, at 3.47 million against 3.43 million in Mongolia as of 2023.
What is the difference in population by age group with projections between Eritrea and Mongolia?
38,450, with Eritrea ahead.
How many years of comparable data are there for Eritrea and Mongolia?
74 years are reported by both, from 1950 to 2023.
How do Eritrea and Mongolia rank globally for population by age group with projections?
Eritrea ranks 132nd and Mongolia ranks 133rd of 236 countries.
Where does this data come from?
Our World in Data, published as Population by age group with projections. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Eritrea vs Mongolia: Population by age group with projections. Statizoid, drawing on Our World in Data. Retrieved 11 November 2026, from https://population.statizoid.com/compare/population-by-age-group-with-projections/eritrea/mongolia/

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About this data

Indicator
Population by age group with projections
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,464 data points, 1950–2023
Last refreshed