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Population in Mongolia compared to the United Kingdom: Trends, Charts, Rankings

Updated on by Georank team

The latest officially reported population of Mongolia was 3,524,788 in 2024 vs 69,226,000 people in the United Kingdom in 2024. In 2026, based on the adjusted UN estimation, the current Mongolia's population is 3,620,317 people compared to 70,154,914 in the United Kingdom.

Population statistics:

  • The United Kingdom's population is 19.4 times bigger than Mongolia's.
  • Mongolia is ranked the 132nd most populous country in the world, while the United Kingdom is the 22nd.
  • The countries together account for 0.89% of the world: 0.04% for Mongolia vs 0.85% for the United Kingdom.
  • For the last 10 years, Mongolia has had an average growth rate of +1.79% per year vs +0.7% in the United Kingdom.
  • Since 2006, the population of Mongolia has increased from 2.57M people to 3.62M (41% growth), while the United Kingdom has grown from 60.8M to 70.2M (15.3% growth).

Mongolia vs United Kingdom: population by year and forecast

Mongolia
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Population
Mongolia United Kingdom
2100 5,629,299 74,700,585
2099 5,623,066 74,831,175
2098 5,615,212 74,950,267
2097 5,606,511 75,064,397
2096 5,597,140 75,176,691
2095 5,585,917 75,287,063
2094 5,574,522 75,383,856
2093 5,562,381 75,482,205
2092 5,549,290 75,575,769
2091 5,535,819 75,666,091
2090 5,521,210 75,753,129
2089 5,505,877 75,835,723
2088 5,490,024 75,907,614
2087 5,474,226 75,978,712
2086 5,458,465 76,046,742
2085 5,441,196 76,105,680
2084 5,423,740 76,156,223
2083 5,405,563 76,205,894
2082 5,387,443 76,246,844
2081 5,368,417 76,274,040
2080 5,348,645 76,306,205
2079 5,328,073 76,334,949
2078 5,306,120 76,353,484
2077 5,285,225 76,371,123
2076 5,263,067 76,373,520
2075 5,240,553 76,386,071
2074 5,217,755 76,397,426
2073 5,194,484 76,406,554
2072 5,171,399 76,398,941
2071 5,147,939 76,388,223
2070 5,123,730 76,378,505
2069 5,100,078 76,371,827
2068 5,075,923 76,370,973
2067 5,051,712 76,363,548
2066 5,026,451 76,356,638
2065 5,001,559 76,355,841
2064 4,977,095 76,352,770
2063 4,952,721 76,353,175
2062 4,928,284 76,346,535
2061 4,903,616 76,344,206
2060 4,877,808 76,344,725
2059 4,851,900 76,345,215
2058 4,825,704 76,326,961
2057 4,798,069 76,307,006
2056 4,770,106 76,274,247
2055 4,741,145 76,235,304
2054 4,710,703 76,167,710
2053 4,678,720 76,094,051
2052 4,645,641 76,001,979
2051 4,611,080 75,895,690
2050 4,575,698 75,777,445
2049 4,538,221 75,646,044
2048 4,499,652 75,499,380
2047 4,459,534 75,338,951
2046 4,418,220 75,171,300
2045 4,375,263 74,993,186
2044 4,332,061 74,807,530
2043 4,288,836 74,607,485
2042 4,244,827 74,407,783
2041 4,200,917 74,203,292
2040 4,157,409 73,994,525
2039 4,114,122 73,782,112
2038 4,071,754 73,559,085
2037 4,029,761 73,335,723
2036 3,988,994 73,101,646
2035 3,949,374 72,850,722
2034 3,910,459 72,597,177
2033 3,872,505 72,322,802
2032 3,835,471 72,046,316
2031 3,799,194 71,757,868
2030 3,762,550 71,442,811
2029 3,725,673 71,123,782
2028 3,687,959 70,783,199
2027 3,649,213 70,421,923
2026 3,609,604 70,055,911
2025 3,568,196 69,658,188
2024 3,524,788 69,226,000
2023 3,481,145 68,492,000
2022 3,433,748 67,604,000
2021 3,383,741 66,984,000
2020 3,327,204 66,744,000
2019 3,267,673 66,631,000
2018 3,208,189 66,289,000
2017 3,148,917 65,966,000
2016 3,088,856 65,607,000
2015 3,026,864 65,088,000
2014 2,963,113 64,620,000
2013 2,899,011 64,139,000
2012 2,839,705 63,711,000
2011 2,786,317 63,258,810
2010 2,738,622 62,766,365
2009 2,691,115 62,276,270
2008 2,643,201 61,806,995
2007 2,601,850 61,322,463
2006 2,567,168 60,846,820
2005 2,536,407 60,401,206
2004 2,508,412 59,987,905
2003 2,480,374 59,647,577
2002 2,449,027 59,370,479
2001 2,417,751 59,119,673
2000 2,388,299 58,892,514
1999 2,356,813 58,682,466
1998 2,323,809 58,487,141
1997 2,291,750 58,316,954
1996 2,259,507 58,166,950
1995 2,224,945 58,019,030
1994 2,189,395 57,865,745
1993 2,165,130 57,718,614
1992 2,167,790 57,580,402
1991 2,165,342 57,424,897
1990 2,098,710 57,247,586
1989 2,124,185 57,076,711
1988 2,076,322 56,928,327
1987 2,022,800 56,802,050
1986 1,970,965 56,681,396
1985 1,921,514 56,550,268
1984 1,874,349 56,422,072
1983 1,829,092 56,332,848
1982 1,785,364 56,313,641
1981 1,742,857 56,333,829
1980 1,701,335 56,314,216
1979 1,660,659 56,246,951
1978 1,619,468 56,196,504
1977 1,576,245 56,193,492
1976 1,531,945 56,211,968
1975 1,488,296 56,225,800
1974 1,446,050 56,229,974
1973 1,405,502 56,194,527
1972 1,366,821 56,086,065
1971 1,330,071 55,896,223
1970 1,295,272 55,663,250
1969 1,262,284 55,441,750
1968 1,229,930 55,211,700
1967 1,196,996 54,943,600
1966 1,163,754 54,648,500
1965 1,131,177 54,348,050
1964 1,100,234 54,000,000
1963 1,071,362 53,650,000
1962 1,041,444 53,250,000
1961 1,009,284 52,800,000
1960 977,595 52,400,000

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/population/mongolia/united-kingdom | CC BY

From 2006 to 2016, the population of Mongolia increased by 521,688 people (a 20.3% growth), while the United Kingdom gained 4,760,180 people (a 7.82% growth).

For the next 10 years, from 2016 to 2026, Mongolia gained 531,461 people (a 17.2% growth), while the United Kingdom's population increased by 4,547,914 people (a 6.93% growth).

Mongolia was ranked 137th most populous country in 2006 and is 132nd in 2026. The United Kingdom was ranked 21st in 2006 and ranked 22nd now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Mongolia's population will grow by 26.4% to 4,575,698 people with a rank change from 132nd to 130th. The population of the United Kingdom will increase by 8.01% to 75,777,445 people and rank change from 22nd to 26th.

Mongolia is projected to reach its peak in 2100 at 5.63M people compared to the peak of 76.4M people in 2073 for the United Kingdom.

Population growth rate by year

Mongolia
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Growth rate
Mongolia United Kingdom
2100 0.11% -0.17%
2099 0.14% -0.16%
2098 0.16% -0.15%
2097 0.17% -0.15%
2096 0.2% -0.15%
2095 0.2% -0.13%
2094 0.22% -0.13%
2093 0.24% -0.12%
2092 0.24% -0.12%
2091 0.26% -0.11%
2090 0.28% -0.11%
2089 0.29% -0.09%
2088 0.29% -0.09%
2087 0.29% -0.09%
2086 0.32% -0.08%
2085 0.32% -0.07%
2084 0.34% -0.07%
2083 0.34% -0.05%
2082 0.35% -0.04%
2081 0.37% -0.04%
2080 0.39% -0.04%
2079 0.41% -0.02%
2078 0.4% -0.02%
2077 0.42% -0.003%
2076 0.43% -0.02%
2075 0.44% -0.01%
2074 0.45% -0.01%
2073 0.45% 0.01%
2072 0.46% 0.01%
2071 0.47% 0.01%
2070 0.46% 0.009%
2069 0.48% 0.001%
2068 0.48% 0.01%
2067 0.5% 0.009%
2066 0.5% 0.001%
2065 0.49% 0.004%
2064 0.49% -0%
2063 0.5% 0.009%
2062 0.5% 0.003%
2061 0.53% -0.001%
2060 0.53% -0.001%
2059 0.54% 0.02%
2058 0.58% 0.03%
2057 0.59% 0.04%
2056 0.61% 0.05%
2055 0.65% 0.09%
2054 0.68% 0.1%
2053 0.71% 0.12%
2052 0.75% 0.14%
2051 0.77% 0.16%
2050 0.83% 0.17%
2049 0.86% 0.19%
2048 0.9% 0.21%
2047 0.94% 0.22%
2046 0.98% 0.24%
2045 1% 0.25%
2044 1.01% 0.27%
2043 1.04% 0.27%
2042 1.05% 0.28%
2041 1.05% 0.28%
2040 1.05% 0.29%
2039 1.04% 0.3%
2038 1.04% 0.3%
2037 1.02% 0.32%
2036 1% 0.34%
2035 1% 0.35%
2034 0.98% 0.38%
2033 0.97% 0.38%
2032 0.95% 0.4%
2031 0.97% 0.44%
2030 0.99% 0.45%
2029 1.02% 0.48%
2028 1.06% 0.51%
2027 1.1% 0.52%
2026 1.16% 0.57%
2025 1.23% 0.62%
2024 1.25% 1.07%
2023 1.38% 1.31%
2022 1.48% 0.93%
2021 1.7% 0.36%
2020 1.82% 0.17%
2019 1.85% 0.52%
2018 1.88% 0.49%
2017 1.94% 0.55%
2016 2.05% 0.8%
2015 2.15% 0.72%
2014 2.21% 0.75%
2013 2.09% 0.67%
2012 1.92% 0.71%
2011 1.74% 0.78%
2010 1.77% 0.79%
2009 1.81% 0.76%
2008 1.59% 0.79%
2007 1.35% 0.78%
2006 1.21% 0.74%
2005 1.12% 0.69%
2004 1.13% 0.57%
2003 1.28% 0.47%
2002 1.29% 0.42%
2001 1.23% 0.39%
2000 1.34% 0.36%
1999 1.42% 0.33%
1998 1.4% 0.29%
1997 1.43% 0.26%
1996 1.55% 0.25%
1995 1.62% 0.26%
1994 1.12% 0.25%
1993 -0.12% 0.24%
1992 0.11% 0.27%
1991 3.17% 0.31%
1990 -1.2% 0.3%
1989 2.31% 0.26%
1988 2.65% 0.22%
1987 2.63% 0.21%
1986 2.57% 0.23%
1985 2.52% 0.23%
1984 2.47% 0.16%
1983 2.45% 0.03%
1982 2.44% -0.04%
1981 2.44% 0.03%
1980 2.45% 0.12%
1979 2.54% 0.09%
1978 2.74% 0.005%
1977 2.89% -0.03%
1976 2.93% -0.02%
1975 2.92% -0.007%
1974 2.88% 0.06%
1973 2.83% 0.19%
1972 2.76% 0.34%
1971 2.69% 0.42%
1970 2.61% 0.4%
1969 2.63% 0.42%
1968 2.75% 0.49%
1967 2.86% 0.54%
1966 2.88% 0.55%
1965 2.81% 0.64%
1964 2.69% 0.65%
1963 2.87% 0.75%
1962 3.19% 0.85%
1961 3.24% 0.76%

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1961–2024, retrieved 2026-04-06).

GeoRank.org/population/mongolia/united-kingdom | CC BY

In 2024, the population of Mongolia grew by 1.25%, while the United Kingdom's population grew by 1.07%.

Live population counters

Mongolia United Kingdom
Current population
3620317
70154914
Population rank 132/197 22/197
Percent of world population 0.04% 0.85%
One net population change
12 minutes
43 seconds
One birth every
7.95 minutes
45.9 seconds
One death every
27.5 minutes
48.4 seconds
Daily growth/decline +120 +2,011
Annual growth/decline +43,643 +734,000
Annual growth/decline rate +1.25% +1.07%
Population growth rate rank 86/197 97/197
One migration net change every
4.63 days
1.35 minutes
Annual migration change +79 +389,911
Net migration rank 74/196 4/196
Foreign-born residents 22,589 11,845,479
Foreign-born residents rank 169/195 4/195
Foreign-born share of population 0.6% 17.1%
Foreign-born share rank 171/195 36/195

Natural population change vs migration

Mongolia
Natural

Migration
United Kingdom
Natural

Migration
1x
Year Population change
Mongolia United Kingdom
Natural Migration Natural Migration
2025 - 79 - 389,911
2024 - 83 - 417,114
2023 46,995 0 34,589 445,523
2022 47,730 0 39,751 487,029
2021 52,109 0 30,612 462,967
2020 60,888 0 -4,272 144,221
2019 61,433 8,660 108,342 232,727
2018 60,635 7,811 119,321 259,744
2017 57,940 6,831 145,125 272,311
2016 62,086 5,633 177,139 324,649
2015 64,473 4,307 175,738 347,839
2014 66,078 2,921 206,784 306,091
2013 62,618 1,505 198,830 237,272
2012 55,942 351 248,473 172,088
2011 50,711 -505 259,361 228,773
2010 44,914 -6,444 251,066 274,811
2009 48,876 -15,007 230,422 249,639
2008 45,843 -17,277 216,325 263,390
2007 39,636 -15,220 196,232 309,385
2006 33,609 -11,934 176,455 288,923
2005 29,290 -8,924 144,963 308,279
2004 28,418 -8,148 131,974 276,077
2003 28,827 -7,986 89,471 211,846
2002 30,439 -8,934 65,308 203,577
2001 32,052 -10,244 65,032 175,133
2000 32,753 -11,241 70,671 153,917
1999 32,283 -13,481 64,551 152,653
1998 31,757 -10,315 87,730 125,541
1997 32,403 -9,132 99,138 59,723
1996 33,741 -8,626 98,884 54,964
1995 34,473 -7,346 87,028 61,385
1994 34,711 -5,449 127,304 45,339
1993 36,924 -5,429 103,893 27,403
1992 42,437 -8,404 149,709 17,846
1991 47,884 -11,427 143,562 27,601
1990 49,443 -11,881 154,569 57,132
1989 51,420 -9,757 119,861 49,586
1988 51,588 2,459 136,628 13,952
1987 51,140 1,855 136,325 8,266
1986 50,329 354 90,690 41,836
1985 49,944 -1,719 79,170 83,164
1984 48,562 -2,452 84,633 71,107
1983 46,919 -2,522 61,966 27,063
1982 45,179 -2,132 56,314 -61,152
1981 43,588 -1,615 73,234 -83,876
1980 42,343 -1,268 95,734 -25,187
1979 41,568 -1,296 61,872 11,255
1978 40,276 1,833 16,859 3,783
1977 38,995 5,354 0 -21,636
1976 37,670 6,577 -5,621 -19,135
1975 36,490 6,556 33,735 -40,241
1974 35,297 6,153 67,476 -65,710
1973 33,993 5,647 112,389 -33,840
1972 32,727 4,999 162,650 -1,406
1971 31,536 4,238 257,123 1,175
1970 30,558 3,263 244,918 -15,254
1969 29,781 2,366 260,577 -60,655
1968 29,017 3,535 292,622 -38,852
1967 28,178 5,139 346,145 -39,659
1966 27,338 5,837 333,356 -27,935
1965 26,364 5,610 364,132 -24,955
1964 25,317 4,599 405,000 -23,885
1963 24,142 3,687 337,995 8,271
1962 22,960 9,049 340,800 76,443
1961 21,873 10,440 311,519 52,295
1960 20,726 10,334 314,400 19,953

Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).

GeoRank.org/population/mongolia/united-kingdom | CC BY

Over the last 10 years, 94.1% of the population change in Mongolia is from natural causes (a gain of 580,367 people) and 5.87% is from migration (a gain of 36,163 people). In the United Kingdom 23.9% is from natural causes (a gain of 1,033,129 people) and 76.1% is from migration (a gain of 3,283,101 people).

As of 2024, 22,589 residents or 0.6% of the population were not native-born in Mongolia, compared to 11,845,479 people or 17.1% in the United Kingdom.

Biggest cities by population

Mongolia
City Population
Ulaanbaatar 1.4M
Bulgan 12.3K
United Kingdom
City Population
London 8.8M
Birmingham 1.14M
Glasgow 626K
Manchester 548K
Leeds 536K
Sheffield 518K
Liverpool 513K
Edinburgh 488K
Bristol 472K
Cardiff 384K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).

GeoRank.org/population/mongolia/united-kingdom | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
  5. Wikidata (2026, retrieved 2026-02-08)

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