Eritrea vs Mongolia: Population by age group

Eritrea

3.47 million people

in 2023

Mongolia

3.43 million people

in 2023

Eritrea rank

132nd

Mongolia rank

133rd

Population by age group over time

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

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.

Indicator: Population by age group
Unit: people
Source: UN, World Population Prospects (2024) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 236 places, 17,464 data points, 1950–2023
Last refreshed: 07 August 2026

The total population, measured on 1 July of the year shown.