The population of Mongolia is expected to grow by 42,000 in 2021 and reach 3,291,000 in 2022. Migration (including immigration and emigration) decreases population by 3,000 people yearly. The population density of Mongolia has changed from 1.1 in 1980 to 2.0 in 2019.
| Current population | 3,253,740 people at present (Monday 25th of January 2021) | |
| Median Age | 29.8 years |
| Population density | 2.1 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2021 | 3,251,000 | 42,000 (1.3%) | -3,000 | 29.8 | 2 | 2,478,000 (76.2%) | |
| 2020 | 3,209,000 | 43,000 (1.3%) | -3,000 | 29.5 | 2.59 | 2 | 2,426,000 (75.6%) |
| 2019 | 0 | 0 (0.0%) | -3,000 | 29.3 | 2.63 | 2 | 2,373,000 (75.0%) |
| 2018 | 0 | 0 (0.0%) | -3,000 | 29.1 | 2.67 | 2 | 2,319,000 (74.3%) |
| 2017 | 0 | 0 (0.0%) | -3,000 | 28.9 | 2.71 | 2 | 2,263,000 (73.6%) |
| 2016 | 0 | 0 (0.0%) | -3,000 | 28.7 | 2.75 | 2 | 2,204,642 (72.8%) |
| 2015 | 2,976,877 | 52,981 (1.8%) | -3,000 | 28.6 | 2.79 | 2 | 2,144,542 (72.0%) |
| 2010 | 2,712,650 | 44,361 (1.6%) | -3,000 | 28.0 | 2.64 | 2 | 1,832,856 (67.6%) |
| 2005 | 2,526,446 | 29,614 (1.2%) | -3,000 | 26.9 | 2.17 | 2 | 1,578,877 (62.5%) |
| 2000 | 2,397,436 | 21,274 (0.9%) | -3,000 | 25.3 | 2.14 | 2 | 1,369,727 (57.1%) |
| 1995 | 2,298,039 | 17,543 (0.8%) | -10,493 | 24.1 | 2.74 | 1 | 1,305,401 (56.8%) |
| 1990 | 2,184,145 | 43,137 (2.0%) | -17,686 | 23.7 | 4.05 | 1 | 1,245,683 (57.0%) |
| 1985 | 1,921,881 | 50,791 (2.6%) | 23.5 | 5.35 | 1 | 1,057,803 (55.0%) | |
| 1980 | 1,689,622 | 43,331 (2.6%) | 23.5 | 6.21 | 1 | 880,006 (52.1%) | |
| 1975 | 1,479,651 | 41,226 (2.8%) | 23.8 | 7.14 | 1 | 719,939 (48.7%) | |
| 1970 | 1,278,825 | 36,611 (2.9%) | 24.4 | 7.57 | 1 | 576,136 (45.1%) | |
| 1965 | 1,107,124 | 32,610 (3.0%) | 25.4 | 7.59 | 1 | 466,254 (42.1%) | |
| 1960 | 955,505 | 26,673 (2.7%) | 26.8 | 6.95 | 1 | 340,915 (35.7%) |
In 2020 the population of Mongolia was 3,209,000 and the average age increased from 26.8 in 1960 to 29.5. Urban population has increased from 1,369,727 (57.1%) in 2000 to 2,478,000 (76.2%) in the current year. The population density of Mongolia has changed from 1.1 in 1980 to 2.0 in 2019.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 0 | 0 (0.0%) | -3,000 | 29.5 | 2.59 | 2 | 2,426,000 (75.6%) |
| 2025 | 3,402,000 | 35,000 (1.0%) | -3,000 | 30.7 | 2.46 | 2 | 2,666,000 (78.4%) |
| 2030 | 3,561,000 | 30,000 (0.8%) | -3,000 | 32.0 | 2.36 | 2 | 2,864,000 (80.4%) |
| 2035 | 3,698,000 | 26,000 (0.7%) | -3,000 | 33.3 | 2.27 | 2 | 3,028,000 (81.9%) |
| 2040 | 3,827,000 | 26,000 (0.7%) | -3,000 | 34.4 | 2.20 | 3 | 3,172,000 (82.9%) |
| 2045 | 3,954,000 | 25,000 (0.6%) | -3,000 | 35.3 | 2.14 | 3 | 3,316,000 (83.9%) |
| 2050 | 4,075,000 | 23,000 (0.6%) | -3,000 | 36.0 | 2.10 | 3 | 3,454,000 (84.8%) |
The life expectancy at birth should reach 75.0 (71.1 years for male and 79.2 years for females). Population density will go up to 2.6 people per square kilometer.
The population growth rate is 1.31% (43,000 residents, including 20,288 deaths). The demographics of Mongolia constitutes of 1,646,000 women and 1,605,000 men, which means there are 975 men per 1000 women. As far as age distribution goes, 37.1% of population (1,204,821) is 19 or younger, 58.4% of population (1,897,284) is between age 20 and 64 and 4.6% of population (149,221) is over 65.