Mongolia Population Pyramid 2018
Mongolia in 2018
The population of Mongolia in 2018 was 3,167,706. A decade earlier, in 2008, the population was 2,634,424; it has grown by 20.2% since.
Half of the population was younger than 27.1 years; 31.6% were children under 15 and 4.0% were 65 or older. The pyramid is expansive: its wide base of young cohorts reflects high fertility and a rapidly growing population.
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 | 3,167,706 | 27.1 | |
| China, Macao SAR | 658,772 | 37.7 | |
| China, Hong Kong SAR | 7,471,194 | 44.2 | |
| Taiwan | 23,659,305 | 41.7 | |
| Dem. People's Republic of Korea | 25,931,148 | 35.9 |





