Mongolia Population Pyramid 2055
Mongolia in 2055
In 2055, Mongolia is projected to have a population of 4,660,484 people. Ten years before, in 2045, the projected population is 4,308,780 — 8.2% lower.
Half of the population would be younger than 34.5 years, with 22.3% children under 15 and 14.3% aged 65 or older. The near-vertical sides of the pyramid indicate a stationary age structure, with births roughly balancing the passage of cohorts into older age.
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 | 4,660,484 | 34.5 | |
| China, Hong Kong SAR | 5,660,107 | 65.4 | |
| China, Macao SAR | 641,236 | 59.6 | |
| Taiwan | 18,397,871 | 58.3 | |
| Dem. People's Republic of Korea | 25,274,088 | 44.2 |





