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

Updated on by Georank team

The latest officially reported population of Mongolia was 3,524,788 in 2024 vs 232,679,478 people in Nigeria in 2024. In 2026, based on the adjusted UN estimation, the current Mongolia's population is 3,620,317 people compared to 243,824,469 in Nigeria.

Population statistics:

  • Nigeria's population is 67.3 times bigger than Mongolia's.
  • Mongolia is ranked the 132nd most populous country in the world, while Nigeria is the 6th.
  • The countries together account for 2.99% of the world: 0.04% for Mongolia vs 2.94% for Nigeria.
  • For the last 10 years, Mongolia has had an average growth rate of +1.79% per year vs +2.31% in Nigeria.
  • Since 2006, the population of Mongolia has increased from 2.57M people to 3.62M (41% growth), while Nigeria has grown from 149M to 244M (63.6% growth).

Mongolia vs Nigeria: population by year and forecast

Mongolia
Factual

Projection
Nigeria
Factual

Projection
1x
Year Population
Mongolia Nigeria
2100 5,629,299 481,678,166
2099 5,623,066 481,494,914
2098 5,615,212 481,219,866
2097 5,606,511 480,876,108
2096 5,597,140 480,460,381
2095 5,585,917 479,976,454
2094 5,574,522 479,432,855
2093 5,562,381 478,807,152
2092 5,549,290 478,097,591
2091 5,535,819 477,274,569
2090 5,521,210 476,367,086
2089 5,505,877 475,363,859
2088 5,490,024 474,268,867
2087 5,474,226 473,072,894
2086 5,458,465 471,769,229
2085 5,441,196 470,365,292
2084 5,423,740 468,843,169
2083 5,405,563 467,224,322
2082 5,387,443 465,509,151
2081 5,368,417 463,679,779
2080 5,348,645 461,741,930
2079 5,328,073 459,680,797
2078 5,306,120 457,513,367
2077 5,285,225 455,254,796
2076 5,263,067 452,885,729
2075 5,240,553 450,402,898
2074 5,217,755 447,825,224
2073 5,194,484 445,152,156
2072 5,171,399 442,375,349
2071 5,147,939 439,499,004
2070 5,123,730 436,539,777
2069 5,100,078 433,472,204
2068 5,075,923 430,320,190
2067 5,051,712 427,066,199
2066 5,026,451 423,736,078
2065 5,001,559 420,318,527
2064 4,977,095 416,811,285
2063 4,952,721 413,231,409
2062 4,928,284 409,583,480
2061 4,903,616 405,859,509
2060 4,877,808 402,073,494
2059 4,851,900 398,228,736
2058 4,825,704 394,315,883
2057 4,798,069 390,341,867
2056 4,770,106 386,298,064
2055 4,741,145 382,193,151
2054 4,710,703 378,030,342
2053 4,678,720 373,799,276
2052 4,645,641 369,501,634
2051 4,611,080 365,149,555
2050 4,575,698 360,734,783
2049 4,538,221 356,271,401
2048 4,499,652 351,752,501
2047 4,459,534 347,169,674
2046 4,418,220 342,532,578
2045 4,375,263 337,834,528
2044 4,332,061 333,076,416
2043 4,288,836 328,256,555
2042 4,244,827 323,388,886
2041 4,200,917 318,469,120
2040 4,157,409 313,492,800
2039 4,114,122 308,474,350
2038 4,071,754 303,423,786
2037 4,029,761 298,351,344
2036 3,988,994 293,250,795
2035 3,949,374 288,138,368
2034 3,910,459 283,018,151
2033 3,872,505 277,897,810
2032 3,835,471 272,769,123
2031 3,799,194 267,666,779
2030 3,762,550 262,583,487
2029 3,725,673 257,504,936
2028 3,687,959 252,465,743
2027 3,649,213 247,457,208
2026 3,609,604 242,477,499
2025 3,568,196 237,546,527
2024 3,524,788 232,679,478
2023 3,481,145 227,882,945
2022 3,433,748 223,150,896
2021 3,383,741 218,529,286
2020 3,327,204 213,996,181
2019 3,267,673 209,485,641
2018 3,208,189 204,938,755
2017 3,148,917 200,254,579
2016 3,088,856 195,443,700
2015 3,026,864 190,671,878
2014 2,963,113 185,896,915
2013 2,899,011 181,049,443
2012 2,839,705 176,200,625
2011 2,786,317 171,379,598
2010 2,738,622 166,642,886
2009 2,691,115 162,049,464
2008 2,643,201 157,595,014
2007 2,601,850 153,267,261
2006 2,567,168 149,077,334
2005 2,536,407 145,017,253
2004 2,508,412 141,057,045
2003 2,480,374 137,202,644
2002 2,449,027 133,471,989
2001 2,417,751 129,862,595
2000 2,388,299 126,382,494
1999 2,356,813 123,047,320
1998 2,323,809 119,846,254
1997 2,291,750 116,754,792
1996 2,259,507 113,754,779
1995 2,224,945 110,819,428
1994 2,189,395 107,935,714
1993 2,165,130 105,122,069
1992 2,167,790 102,372,770
1991 2,165,342 99,720,162
1990 2,098,710 97,120,925
1989 2,124,185 94,531,014
1988 2,076,322 92,020,090
1987 2,022,800 89,591,716
1986 1,970,965 87,235,953
1985 1,921,514 84,897,973
1984 1,874,349 82,526,443
1983 1,829,092 80,438,260
1982 1,785,364 78,378,701
1981 1,742,857 76,068,103
1980 1,701,335 73,764,641
1979 1,660,659 71,498,242
1978 1,619,468 69,326,532
1977 1,576,245 67,234,590
1976 1,531,945 65,258,009
1975 1,488,296 63,410,815
1974 1,446,050 61,679,144
1973 1,405,502 60,082,139
1972 1,366,821 58,601,748
1971 1,330,071 57,214,684
1970 1,295,272 55,893,838
1969 1,262,284 54,631,914
1968 1,229,930 53,432,783
1967 1,196,996 52,293,065
1966 1,163,754 51,188,234
1965 1,131,177 50,086,764
1964 1,100,234 49,012,016
1963 1,071,362 47,973,575
1962 1,041,444 46,965,292
1961 1,009,284 45,989,310
1960 977,595 45,053,782

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/nigeria | CC BY

From 2006 to 2016, the population of Mongolia increased by 521,688 people (a 20.3% growth), while Nigeria gained 46,366,366 people (a 31.1% growth).

For the next 10 years, from 2016 to 2026, Mongolia gained 531,461 people (a 17.2% growth), while Nigeria's population increased by 48,380,769 people (a 24.8% growth).

Mongolia was ranked 137th most populous country in 2006 and is 132nd in 2026. Nigeria was ranked 7th in 2006 and ranked 6th 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 Nigeria will increase by 47.9% to 360,734,783 people and rank change from 6th to 5th.

Mongolia is projected to reach its peak in 2100 at 5.63M people compared to the peak of 482M people in 2100 for Nigeria.

Population growth rate by year

Mongolia
Factual

Projection
Nigeria
Factual

Projection
1x
Year Growth rate
Mongolia Nigeria
2100 0.11% 0.04%
2099 0.14% 0.06%
2098 0.16% 0.07%
2097 0.17% 0.09%
2096 0.2% 0.1%
2095 0.2% 0.11%
2094 0.22% 0.13%
2093 0.24% 0.15%
2092 0.24% 0.17%
2091 0.26% 0.19%
2090 0.28% 0.21%
2089 0.29% 0.23%
2088 0.29% 0.25%
2087 0.29% 0.28%
2086 0.32% 0.3%
2085 0.32% 0.32%
2084 0.34% 0.35%
2083 0.34% 0.37%
2082 0.35% 0.39%
2081 0.37% 0.42%
2080 0.39% 0.45%
2079 0.41% 0.47%
2078 0.4% 0.5%
2077 0.42% 0.52%
2076 0.43% 0.55%
2075 0.44% 0.58%
2074 0.45% 0.6%
2073 0.45% 0.63%
2072 0.46% 0.65%
2071 0.47% 0.68%
2070 0.46% 0.71%
2069 0.48% 0.73%
2068 0.48% 0.76%
2067 0.5% 0.79%
2066 0.5% 0.81%
2065 0.49% 0.84%
2064 0.49% 0.87%
2063 0.5% 0.89%
2062 0.5% 0.92%
2061 0.53% 0.94%
2060 0.53% 0.97%
2059 0.54% 0.99%
2058 0.58% 1.02%
2057 0.59% 1.05%
2056 0.61% 1.07%
2055 0.65% 1.1%
2054 0.68% 1.13%
2053 0.71% 1.16%
2052 0.75% 1.19%
2051 0.77% 1.22%
2050 0.83% 1.25%
2049 0.86% 1.28%
2048 0.9% 1.32%
2047 0.94% 1.35%
2046 0.98% 1.39%
2045 1% 1.43%
2044 1.01% 1.47%
2043 1.04% 1.51%
2042 1.05% 1.54%
2041 1.05% 1.59%
2040 1.05% 1.63%
2039 1.04% 1.66%
2038 1.04% 1.7%
2037 1.02% 1.74%
2036 1% 1.77%
2035 1% 1.81%
2034 0.98% 1.84%
2033 0.97% 1.88%
2032 0.95% 1.91%
2031 0.97% 1.94%
2030 0.99% 1.97%
2029 1.02% 2%
2028 1.06% 2.02%
2027 1.1% 2.05%
2026 1.16% 2.08%
2025 1.23% 2.09%
2024 1.25% 2.1%
2023 1.38% 2.12%
2022 1.48% 2.11%
2021 1.7% 2.12%
2020 1.82% 2.15%
2019 1.85% 2.22%
2018 1.88% 2.34%
2017 1.94% 2.46%
2016 2.05% 2.5%
2015 2.15% 2.57%
2014 2.21% 2.68%
2013 2.09% 2.75%
2012 1.92% 2.81%
2011 1.74% 2.84%
2010 1.77% 2.83%
2009 1.81% 2.83%
2008 1.59% 2.82%
2007 1.35% 2.81%
2006 1.21% 2.8%
2005 1.12% 2.81%
2004 1.13% 2.81%
2003 1.28% 2.8%
2002 1.29% 2.78%
2001 1.23% 2.75%
2000 1.34% 2.71%
1999 1.42% 2.67%
1998 1.4% 2.65%
1997 1.43% 2.64%
1996 1.55% 2.65%
1995 1.62% 2.67%
1994 1.12% 2.68%
1993 -0.12% 2.69%
1992 0.11% 2.66%
1991 3.17% 2.68%
1990 -1.2% 2.74%
1989 2.31% 2.73%
1988 2.65% 2.71%
1987 2.63% 2.7%
1986 2.57% 2.75%
1985 2.52% 2.87%
1984 2.47% 2.6%
1983 2.45% 2.63%
1982 2.44% 3.04%
1981 2.44% 3.12%
1980 2.45% 3.17%
1979 2.54% 3.13%
1978 2.74% 3.11%
1977 2.89% 3.03%
1976 2.93% 2.91%
1975 2.92% 2.81%
1974 2.88% 2.66%
1973 2.83% 2.53%
1972 2.76% 2.42%
1971 2.69% 2.36%
1970 2.61% 2.31%
1969 2.63% 2.24%
1968 2.75% 2.18%
1967 2.86% 2.16%
1966 2.88% 2.2%
1965 2.81% 2.19%
1964 2.69% 2.16%
1963 2.87% 2.15%
1962 3.19% 2.12%
1961 3.24% 2.08%

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/nigeria | CC BY

In 2024, the population of Mongolia grew by 1.25%, while Nigeria's population grew by 2.1%.

Live population counters

Mongolia Nigeria
Current population
3620317
243824469
Population rank 132/197 6/197
Percent of world population 0.04% 2.94%
One net population change
12 minutes
6.58 seconds
One birth every
7.95 minutes
4.2 seconds
One death every
27.5 minutes
11.8 seconds
Daily growth/decline +120 +13,141
Annual growth/decline +43,643 +4,796,533
Annual growth/decline rate +1.25% +2.1%
Population growth rate rank 86/197 48/197
One migration net change every
4.63 days
34.5 minutes
Annual migration change +79 -15,258
Net migration rank 74/196 145/196
Foreign-born residents 22,589 1,403,281
Foreign-born residents rank 169/195 49/195
Foreign-born share of population 0.6% 0.6%
Foreign-born share rank 171/195 173/195

Natural population change vs migration

Mongolia
Natural

Migration
Nigeria
Natural

Migration
1x
Year Population change
Mongolia Nigeria
Natural Migration Natural Migration
2025 - 79 - -15,258
2024 - 83 - -35,202
2023 46,995 0 4,834,309 -57,936
2022 47,730 0 4,739,502 -51,680
2021 52,109 0 4,641,562 -86,115
2020 60,888 0 4,525,164 -14,497
2019 61,433 8,660 4,609,941 -99,722
2018 60,635 7,811 4,659,898 -76,565
2017 57,940 6,831 4,706,183 78,685
2016 62,086 5,633 4,761,594 75,265
2015 64,473 4,307 4,823,045 -116,162
2014 66,078 2,921 4,862,319 -19,376
2013 62,618 1,505 4,811,751 40,201
2012 55,942 351 4,774,508 71,138
2011 50,711 -505 4,728,363 67,808
2010 44,914 -6,444 4,629,173 47,966
2009 48,876 -15,007 4,528,149 -18,422
2008 45,843 -17,277 4,412,976 -13,646
2007 39,636 -15,220 4,265,428 -9,162
2006 33,609 -11,934 4,135,703 -12,093
2005 29,290 -8,924 4,013,788 -17,146
2004 28,418 -8,148 3,877,376 46,370
2003 28,827 -7,986 3,751,120 33,857
2002 30,439 -8,934 3,606,814 69,594
2001 32,052 -10,244 3,478,370 64,163
2000 32,753 -11,241 3,343,196 74,535
1999 32,283 -13,481 3,155,425 97,195
1998 31,757 -10,315 3,003,946 145,575
1997 32,403 -9,132 2,936,500 96,885
1996 33,741 -8,626 2,882,205 84,448
1995 34,473 -7,346 2,830,771 73,243
1994 34,711 -5,449 2,735,198 128,134
1993 36,924 -5,429 2,673,675 90,200
1992 42,437 -8,404 2,596,173 138,412
1991 47,884 -11,427 2,527,807 42,760
1990 49,443 -11,881 2,491,928 135,959
1989 51,420 -9,757 2,452,324 99,588
1988 51,588 2,459 2,376,419 93,510
1987 51,140 1,855 2,322,397 64,418
1986 50,329 354 2,295,003 29,682
1985 49,944 -1,719 2,289,784 61,514
1984 48,562 -2,452 2,278,060 113,758
1983 46,919 -2,522 2,292,089 -507,539
1982 45,179 -2,132 2,233,401 101,116
1981 43,588 -1,615 2,179,884 106,723
1980 42,343 -1,268 2,121,618 198,672
1979 41,568 -1,296 2,074,807 137,721
1978 40,276 1,833 2,019,621 111,258
1977 38,995 5,354 1,923,917 129,075
1976 37,670 6,577 1,827,289 72,889
1975 36,490 6,556 1,718,623 75,603
1974 35,297 6,153 1,624,813 44,281
1973 33,993 5,647 1,525,485 -618
1972 32,727 4,999 1,448,928 -12,962
1971 31,536 4,238 1,373,896 -35,639
1970 30,558 3,263 1,295,507 7,953
1969 29,781 2,366 1,213,484 6,912
1968 29,017 3,535 1,168,254 9,615
1967 28,178 5,139 1,082,884 18,683
1966 27,338 5,837 1,095,582 12,513
1965 26,364 5,610 1,061,840 32,988
1964 25,317 4,599 1,028,272 26,411
1963 24,142 3,687 995,116 27,115
1962 22,960 9,049 966,452 27,906
1961 21,873 10,440 932,111 25,515
1960 20,726 10,334 901,301 12,131

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

GeoRank.org/population/mongolia/nigeria | 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 Nigeria 99.2% is from natural causes (a gain of 47,163,517 people) and 0.77% is from migration (a loss of 368,103 people).

As of 2024, 22,589 residents or 0.6% of the population were not native-born in Mongolia, compared to 1,403,281 people or 0.6% in Nigeria.

Biggest cities by population

Mongolia
City Population
Ulaanbaatar 1.4M
Bulgan 12.3K
Nigeria
City Population
Lagos 15.1M
Kano 4.35M
Port Harcourt 3.32M
Ibadan 2.55M
Benin 1.78M
Abuja 1.69M
Onitsha 1.48M
Maiduguri 1.2M
Aba 1.16M
Enugu 1.03M

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/nigeria | 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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