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Population in Mongolia compared to Ukraine: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Mongolia was 3,568,978 in 2025 vs 38,980,376 people in Ukraine in 2025. In 2026, based on the adjusted UN estimation, the current Mongolia's population is 3,630,744 people compared to 40,408,451 in Ukraine.

Population statistics:

  • Ukraine's population is 11.1 times bigger than Mongolia's.
  • Mongolia is ranked the 132nd most populous country in the world, while Ukraine is the 40th.
  • The countries together account for 0.53% of the world: 0.04% for Mongolia vs 0.49% for Ukraine.
  • For the last 10 years, Mongolia has had an average growth rate of +1.71% per year vs -1.44% in Ukraine.
  • Since 2006, the population of Mongolia has increased from 2.57M people to 3.63M (41.4% growth), while Ukraine has declined from 47.3M to 40.4M (14.5% decline).

Mongolia vs Ukraine: population by year and forecast

Mongolia
Factual

Projection
Ukraine
Factual

Projection
1x
Year Population
Mongolia Ukraine
2100 5,630,532 15,603,179
2099 5,624,298 15,862,593
2098 5,616,442 16,125,815
2097 5,607,739 16,393,353
2096 5,598,366 16,664,587
2095 5,587,141 16,939,471
2094 5,575,743 17,219,443
2093 5,563,600 17,504,349
2092 5,550,506 17,793,601
2091 5,537,031 18,087,289
2090 5,522,419 18,386,570
2089 5,507,083 18,689,852
2088 5,491,226 18,998,014
2087 5,475,425 19,311,662
2086 5,459,661 19,630,012
2085 5,442,388 19,952,247
2084 5,424,928 20,280,817
2083 5,406,747 20,613,034
2082 5,388,623 20,949,887
2081 5,369,593 21,289,979
2080 5,349,817 21,633,931
2079 5,329,240 21,981,015
2078 5,307,283 22,331,415
2077 5,286,383 22,684,635
2076 5,264,220 23,041,181
2075 5,241,700 23,400,319
2074 5,218,897 23,762,428
2073 5,195,622 24,126,690
2072 5,172,532 24,491,363
2071 5,149,066 24,859,381
2070 5,124,853 25,229,957
2069 5,101,195 25,602,485
2068 5,077,035 25,976,390
2067 5,052,818 26,352,535
2066 5,027,552 26,730,314
2065 5,002,655 27,109,886
2064 4,978,185 27,491,024
2063 4,953,806 27,872,631
2062 4,929,364 28,254,738
2061 4,904,690 28,638,347
2060 4,878,877 29,021,488
2059 4,852,963 29,404,719
2058 4,826,761 29,788,559
2057 4,799,120 30,170,070
2056 4,771,151 30,548,973
2055 4,742,184 30,926,521
2054 4,711,735 31,299,425
2053 4,679,745 31,669,550
2052 4,646,658 32,035,413
2051 4,612,090 32,397,707
2050 4,576,701 32,754,538
2049 4,539,215 33,107,228
2048 4,500,638 33,451,994
2047 4,460,511 33,793,296
2046 4,419,188 34,131,561
2045 4,376,222 34,463,236
2044 4,333,010 34,790,682
2043 4,289,776 35,115,069
2042 4,245,757 35,437,607
2041 4,201,838 35,758,248
2040 4,158,320 36,075,749
2039 4,115,023 36,396,426
2038 4,072,646 36,714,126
2037 4,030,644 37,031,794
2036 3,989,867 37,345,665
2035 3,950,239 37,659,856
2034 3,911,316 37,972,332
2033 3,873,353 38,283,563
2032 3,836,311 38,592,696
2031 3,800,027 38,902,570
2030 3,763,374 39,210,256
2029 3,726,490 39,514,695
2028 3,688,767 39,816,523
2027 3,650,012 40,111,670
2026 3,610,395 40,408,451
2025 3,568,978 38,980,376
2024 3,524,788 37,860,221
2023 3,481,145 37,732,836
2022 3,433,748 41,048,766
2021 3,383,741 44,298,640
2020 3,327,204 44,680,014
2019 3,267,673 44,957,458
2018 3,208,189 45,208,907
2017 3,148,917 45,436,041
2016 3,088,856 45,616,832
2015 3,026,864 45,784,896
2014 2,963,113 45,972,380
2013 2,899,011 46,126,770
2012 2,839,705 46,210,056
2011 2,786,317 46,307,853
2010 2,738,622 46,456,003
2009 2,691,115 46,623,731
2008 2,643,201 46,819,175
2007 2,601,850 47,062,798
2006 2,567,168 47,278,694
2005 2,536,407 47,585,556
2004 2,508,412 47,979,507
2003 2,480,374 48,315,136
2002 2,449,027 48,677,281
2001 2,417,751 49,106,855
2000 2,388,299 49,556,660
1999 2,356,813 49,976,446
1998 2,323,809 50,379,731
1997 2,291,750 50,786,885
1996 2,259,507 51,226,109
1995 2,224,945 51,665,539
1994 2,189,395 52,075,998
1993 2,165,130 52,350,126
1992 2,167,790 52,323,671
1991 2,165,342 52,170,961
1990 2,098,710 52,054,092
1989 2,124,185 51,917,817
1988 2,076,322 51,724,853
1987 2,022,800 51,515,732
1986 1,970,965 51,318,745
1985 1,921,514 51,108,770
1984 1,874,349 50,887,599
1983 1,829,092 50,637,029
1982 1,785,364 50,402,724
1981 1,742,857 50,189,281
1980 1,701,335 49,955,152
1979 1,660,659 49,721,381
1978 1,619,468 49,521,243
1977 1,576,245 49,336,481
1976 1,531,945 49,120,842
1975 1,488,296 48,865,229
1974 1,446,050 48,576,570
1973 1,405,502 48,277,121
1972 1,366,821 47,946,893
1971 1,330,071 47,573,287
1970 1,295,272 47,261,306
1969 1,262,284 46,976,256
1968 1,229,930 46,614,325
1967 1,196,996 46,215,988
1966 1,163,754 45,802,519
1965 1,131,177 45,386,892
1964 1,100,234 44,951,156
1963 1,071,362 44,462,372
1962 1,041,444 43,943,674
1961 1,009,284 43,399,766
1960 977,595 42,824,093

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/mongolia/ukraine | CC BY

From 2006 to 2016, the population of Mongolia increased by 521,688 people (a 20.3% growth), while Ukraine lost 1,661,862 people (a 3.52% decline).

For the next 10 years, from 2016 to 2026, Mongolia gained 541,888 people (a 17.5% growth), while Ukraine's population decreased by 5,208,381 people (a 11.4% decline).

Mongolia was ranked 137th most populous country in 2006 and is 132nd in 2026. Ukraine was ranked 27th in 2006 and ranked 40th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Mongolia's population will grow by 26.1% to 4,576,701 people with a rank change from 132nd to 130th. The population of Ukraine will decrease by 18.9% to 32,754,538 people and rank change from 40th to 60th.

Mongolia is projected to reach its peak in 2100 at 5.63M people, while Ukraine's population already peaked in 1993 at 52.4M people and is projected to decrease to 15.6M people by 2100.

Population growth rate by year

Mongolia
Factual

Projection
Ukraine
Factual

Projection
1x
Year Growth rate
Mongolia Ukraine
2100 0.11% -1.64%
2099 0.14% -1.63%
2098 0.16% -1.63%
2097 0.17% -1.63%
2096 0.2% -1.62%
2095 0.2% -1.63%
2094 0.22% -1.63%
2093 0.24% -1.63%
2092 0.24% -1.62%
2091 0.26% -1.63%
2090 0.28% -1.62%
2089 0.29% -1.62%
2088 0.29% -1.62%
2087 0.29% -1.62%
2086 0.32% -1.62%
2085 0.32% -1.62%
2084 0.34% -1.61%
2083 0.34% -1.61%
2082 0.35% -1.6%
2081 0.37% -1.59%
2080 0.39% -1.58%
2079 0.41% -1.57%
2078 0.4% -1.56%
2077 0.42% -1.55%
2076 0.43% -1.53%
2075 0.44% -1.52%
2074 0.45% -1.51%
2073 0.45% -1.49%
2072 0.46% -1.48%
2071 0.47% -1.47%
2070 0.46% -1.46%
2069 0.48% -1.44%
2068 0.48% -1.43%
2067 0.5% -1.41%
2066 0.5% -1.4%
2065 0.49% -1.39%
2064 0.49% -1.37%
2063 0.5% -1.35%
2062 0.5% -1.34%
2061 0.53% -1.32%
2060 0.53% -1.3%
2059 0.54% -1.29%
2058 0.58% -1.26%
2057 0.59% -1.24%
2056 0.61% -1.22%
2055 0.65% -1.19%
2054 0.68% -1.17%
2053 0.71% -1.14%
2052 0.75% -1.12%
2051 0.77% -1.09%
2050 0.83% -1.07%
2049 0.86% -1.03%
2048 0.9% -1.01%
2047 0.94% -0.99%
2046 0.98% -0.96%
2045 1% -0.94%
2044 1.01% -0.92%
2043 1.04% -0.91%
2042 1.05% -0.9%
2041 1.05% -0.88%
2040 1.05% -0.88%
2039 1.04% -0.87%
2038 1.04% -0.86%
2037 1.02% -0.84%
2036 1% -0.83%
2035 1% -0.82%
2034 0.98% -0.81%
2033 0.97% -0.8%
2032 0.95% -0.8%
2031 0.97% -0.78%
2030 0.99% -0.77%
2029 1.02% -0.76%
2028 1.06% -0.74%
2027 1.1% -0.73%
2026 1.16% 3.66%
2025 1.25% 2.96%
2024 1.25% 0.34%
2023 1.38% -8.08%
2022 1.48% -7.34%
2021 1.7% -0.85%
2020 1.82% -0.62%
2019 1.85% -0.56%
2018 1.88% -0.5%
2017 1.94% -0.4%
2016 2.05% -0.37%
2015 2.15% -0.41%
2014 2.21% -0.33%
2013 2.09% -0.18%
2012 1.92% -0.21%
2011 1.74% -0.32%
2010 1.77% -0.36%
2009 1.81% -0.42%
2008 1.59% -0.52%
2007 1.35% -0.46%
2006 1.21% -0.64%
2005 1.12% -0.82%
2004 1.13% -0.69%
2003 1.28% -0.74%
2002 1.29% -0.87%
2001 1.23% -0.91%
2000 1.34% -0.84%
1999 1.42% -0.8%
1998 1.4% -0.8%
1997 1.43% -0.86%
1996 1.55% -0.85%
1995 1.62% -0.79%
1994 1.12% -0.52%
1993 -0.12% 0.05%
1992 0.11% 0.29%
1991 3.17% 0.22%
1990 -1.2% 0.26%
1989 2.31% 0.37%
1988 2.65% 0.41%
1987 2.63% 0.38%
1986 2.57% 0.41%
1985 2.52% 0.43%
1984 2.47% 0.49%
1983 2.45% 0.46%
1982 2.44% 0.43%
1981 2.44% 0.47%
1980 2.45% 0.47%
1979 2.54% 0.4%
1978 2.74% 0.37%
1977 2.89% 0.44%
1976 2.93% 0.52%
1975 2.92% 0.59%
1974 2.88% 0.62%
1973 2.83% 0.69%
1972 2.76% 0.79%
1971 2.69% 0.66%
1970 2.61% 0.61%
1969 2.63% 0.78%
1968 2.75% 0.86%
1967 2.86% 0.9%
1966 2.88% 0.92%
1965 2.81% 0.97%
1964 2.69% 1.1%
1963 2.87% 1.18%
1962 3.19% 1.25%
1961 3.24% 1.34%

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).

GeoRank.org/population/mongolia/ukraine | CC BY

In 2025, the population of Mongolia grew by 1.25%, while Ukraine's population grew by 2.96%.

Live population counters

Mongolia Ukraine
Current population
3630744
40408451
Population rank 132/197 40/197
Percent of world population 0.04% 0.49%
One net population change
11.9 minutes
28.2 seconds
One birth every
8.82 minutes
2.54 minutes
One death every
27.1 minutes
1.02 minutes
Daily growth/decline +121 +3,069
Annual growth/decline +44,190 +1,120,155
Annual growth/decline rate +1.25% +2.96%
Population growth rate rank 81/197 13/197
One migration net change every
4.63 days
18.6 seconds
Annual migration change +79 +1,702,358
Net migration rank 74/196 1/196
Foreign-born residents 22,589 5,064,173
Foreign-born residents rank 169/195 14/195
Foreign-born share of population 0.6% 13.4%
Foreign-born share rank 171/195 51/195

Natural population change vs migration

Mongolia
Natural

Migration
Ukraine
Natural

Migration
1x
Year Population change
Mongolia Ukraine
Natural Migration Natural Migration
2025 - 79 - 1,702,358
2024 40,182 83 -308,069 1,146,012
2023 46,995 0 -283,185 -299,961
2022 47,730 0 -349,284 -5,699,445
2021 52,109 0 -449,941 -1,129
2020 60,888 0 -307,533 -4,167
2019 61,433 8,660 -236,296 -6,908
2018 60,635 7,811 -227,491 -32,220
2017 57,940 6,831 -158,390 -36,155
2016 62,086 5,633 -135,710 -31,340
2015 64,473 4,307 -147,107 -21,992
2014 66,078 2,921 -140,216 -65,678
2013 62,618 1,505 -129,662 26,781
2012 55,942 351 -130,451 66,768
2011 50,711 -505 -158,372 26,457
2010 44,914 -6,444 -180,388 16,030
2009 48,876 -15,007 -197,918 26,796
2008 45,843 -17,277 -229,086 9,312
2007 39,636 -15,220 -282,659 15,237
2006 33,609 -11,934 -300,787 136,442
2005 29,290 -8,924 -337,857 -111,493
2004 28,418 -8,148 -344,157 5,644
2003 28,827 -7,986 -351,299 18,540
2002 30,439 -8,934 -364,544 -26,991
2001 32,052 -10,244 -374,734 -92,847
2000 32,753 -11,241 -364,143 -67,865
1999 32,283 -13,481 -348,286 -59,247
1998 31,757 -10,315 -318,299 -80,684
1997 32,403 -9,132 -306,549 -108,735
1996 33,741 -8,626 -305,154 -158,008
1995 34,473 -7,346 -281,629 -134,053
1994 34,711 -5,449 -238,820 -166,380
1993 36,924 -5,429 -169,405 26,357
1992 42,437 -8,404 -95,857 291,788
1991 47,884 -11,427 -16,486 125,962
1990 49,443 -11,881 48,463 75,760
1989 51,420 -9,757 106,431 36,978
1988 51,588 2,459 162,002 75,637
1987 51,140 1,855 198,850 -18,275
1986 50,329 354 225,751 -12,369
1985 49,944 -1,719 201,011 5,546
1984 48,562 -2,452 222,430 13,340
1983 46,919 -2,522 241,741 23,608
1982 45,179 -2,132 194,101 9,096
1981 43,588 -1,615 182,839 40,807
1980 42,343 -1,268 197,223 47,406
1979 41,568 -1,296 197,294 25,635
1978 40,276 1,833 206,554 -29,180
1977 38,995 5,354 216,932 -24,745
1976 37,670 6,577 247,323 -8,219
1975 36,490 6,556 256,787 15,336
1974 35,297 6,153 273,486 31,725
1973 33,993 5,647 274,938 18,777
1972 32,727 4,999 309,785 56,928
1971 31,536 4,238 305,849 74,604
1970 30,558 3,263 291,839 -48,335
1969 29,781 2,366 274,858 51,763
1968 29,017 3,535 295,162 102,096
1967 28,178 5,139 313,899 85,527
1966 27,338 5,837 337,794 89,737
1965 26,364 5,610 334,365 69,354
1964 25,317 4,599 391,120 76,650
1963 24,142 3,687 449,648 60,178
1962 22,960 9,049 481,887 45,712
1961 21,873 10,440 508,602 51,625
1960 20,726 10,334 538,812 52,281

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/mongolia/ukraine | CC BY

Over the last 10 years, 94.3% of the population change in Mongolia is from natural causes (a gain of 554,471 people) and 5.67% is from migration (a gain of 33,325 people). In Ukraine 34.3% is from natural causes (a loss of 2,603,006 people) and 65.7% is from migration (a loss of 4,987,305 people).

As of 2024, 22,589 residents or 0.6% of the population were not native-born in Mongolia, compared to 5,064,173 people or 13.4% in Ukraine.

Biggest cities by population

Mongolia
City Population
Ulaanbaatar 1.4M
Bulgan 12.3K
Ukraine
City Population
Kyiv 2.95M
Kharkiv 1.42M
Odesa 1.01M
Dnipro 969K
Donetsk 902K
Lviv 717K
Zaporizhia 710K
Kryvyi Rih 604K
Mykolaiv 470K
Luhansk 418K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).

GeoRank.org/population/mongolia/ukraine | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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