Mongolia Population Pyramid 2025
Mongolia in 2025
As of 2025, Mongolia counted 3,517,100 inhabitants. Over the previous ten years the population grew by 18.2%, up from 2,976,525 in 2015.
The median age was 27.9 years, and for every 100 people of working age (15–64) there were 50.1 children under 15 and 8.6 people aged 65 or over. The broad-based, expansive shape of the pyramid points to high fertility and strong population growth.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
The fertility rate of Mongolia was 2.70 births per woman in 2023, above the 2.1 needed to replace each generation.
Source: World Bank World Development Indicators, latest available year.
Life expectancy at birth was 72.1 years in 2023: 76.8 for women and 67.6 for men.
Source: World Bank World Development Indicators, latest available year.
21,818 immigrants live in Mongolia, 0.6% of the population.
| China | 12,085 |
| Russian Federation | 3,420 |
| Republic of Korea | 2,103 |
| United States of America | 906 |
| Dem. People's Republic of Korea | 718 |
175,596 people born in Mongolia live in other countries.
| Kazakhstan | 75,801 |
| Republic of Korea | 45,698 |
| Japan | 20,179 |
| Australia | 11,188 |
| Sweden | 6,866 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Mongolia | 3,517,100 | 27.9 | |
| China, Macao SAR | 722,007 | 40.6 | |
| China, Hong Kong SAR | 7,396,076 | 48.4 | |
| Taiwan | 23,112,793 | 45.8 | |
| Dem. People's Republic of Korea | 26,571,037 | 37.6 |





