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

Updated on by Georank

The latest officially reported population of Mongolia was 3,568,978 in 2025 vs 27,917,831 people in Niger in 2025. In 2026, based on the adjusted UN estimation, the current Mongolia's population is 3,630,744 people compared to 29,294,628 in Niger.

Population statistics:

  • Niger's population is 8.07 times bigger than Mongolia's.
  • Mongolia is ranked the 132nd most populous country in the world, while Niger is the 53rd.
  • The countries together account for 0.4% of the world: 0.04% for Mongolia vs 0.35% for Niger.
  • For the last 10 years, Mongolia has had an average growth rate of +1.71% per year vs +3.45% in Niger.
  • Since 2006, the population of Mongolia has increased from 2.57M people to 3.63M (41.4% growth), while Niger has grown from 14.3M to 29.3M (105.3% growth).

Mongolia vs Niger: population by year and forecast

Mongolia
Factual

Projection
Niger
Factual

Projection
1x
Year Population
Mongolia Niger
2100 5,630,532 92,119,820
2099 5,624,298 91,758,864
2098 5,616,442 91,380,105
2097 5,607,739 90,979,507
2096 5,598,366 90,560,194
2095 5,587,141 90,121,433
2094 5,575,743 89,665,016
2093 5,563,600 89,186,290
2092 5,550,506 88,687,247
2091 5,537,031 88,169,255
2090 5,522,419 87,632,134
2089 5,507,083 87,075,435
2088 5,491,226 86,497,532
2087 5,475,425 85,901,116
2086 5,459,661 85,285,801
2085 5,442,388 84,648,237
2084 5,424,928 83,990,034
2083 5,406,747 83,310,768
2082 5,388,623 82,611,309
2081 5,369,593 81,895,814
2080 5,349,817 81,159,765
2079 5,329,240 80,409,054
2078 5,307,283 79,639,286
2077 5,286,383 78,852,089
2076 5,264,220 78,045,772
2075 5,241,700 77,223,494
2074 5,218,897 76,387,922
2073 5,195,622 75,535,687
2072 5,172,532 74,667,410
2071 5,149,066 73,784,579
2070 5,124,853 72,888,455
2069 5,101,195 71,975,811
2068 5,077,035 71,050,594
2067 5,052,818 70,111,034
2066 5,027,552 69,159,115
2065 5,002,655 68,199,397
2064 4,978,185 67,226,153
2063 4,953,806 66,242,857
2062 4,929,364 65,249,357
2061 4,904,690 64,246,142
2060 4,878,877 63,236,587
2059 4,852,963 62,219,239
2058 4,826,761 61,193,260
2057 4,799,120 60,161,411
2056 4,771,151 59,126,596
2055 4,742,184 58,084,470
2054 4,711,735 57,038,192
2053 4,679,745 55,989,073
2052 4,646,658 54,940,685
2051 4,612,090 53,889,624
2050 4,576,701 52,841,076
2049 4,539,215 51,793,560
2048 4,500,638 50,746,939
2047 4,460,511 49,703,518
2046 4,419,188 48,661,960
2045 4,376,222 47,622,548
2044 4,333,010 46,586,941
2043 4,289,776 45,557,790
2042 4,245,757 44,531,886
2041 4,201,838 43,511,370
2040 4,158,320 42,494,381
2039 4,115,023 41,482,338
2038 4,072,646 40,472,234
2037 4,030,644 39,463,944
2036 3,989,867 38,459,660
2035 3,950,239 37,458,584
2034 3,911,316 36,465,688
2033 3,873,353 35,476,260
2032 3,836,311 34,497,489
2031 3,800,027 33,527,117
2030 3,763,374 32,563,547
2029 3,726,490 31,610,576
2028 3,688,767 30,670,274
2027 3,650,012 29,741,014
2026 3,610,395 28,823,166
2025 3,568,978 27,917,831
2024 3,524,788 27,032,412
2023 3,481,145 26,159,867
2022 3,433,748 25,311,973
2021 3,383,741 24,502,140
2020 3,327,204 23,717,613
2019 3,267,673 22,947,757
2018 3,208,189 22,188,069
2017 3,148,917 21,435,446
2016 3,088,856 20,685,753
2015 3,026,864 19,939,498
2014 2,963,113 19,215,909
2013 2,899,011 18,519,898
2012 2,839,705 17,836,769
2011 2,786,317 17,176,283
2010 2,738,622 16,548,835
2009 2,691,115 15,943,675
2008 2,643,201 15,361,915
2007 2,601,850 14,803,610
2006 2,567,168 14,268,581
2005 2,536,407 13,756,192
2004 2,508,412 13,265,836
2003 2,480,374 12,796,984
2002 2,449,027 12,349,144
2001 2,417,751 11,920,647
2000 2,388,299 11,509,630
1999 2,356,813 11,117,411
1998 2,323,809 10,741,413
1997 2,291,750 10,383,969
1996 2,259,507 10,044,852
1995 2,224,945 9,714,529
1994 2,189,395 9,398,258
1993 2,165,130 9,100,789
1992 2,167,790 8,817,633
1991 2,165,342 8,546,900
1990 2,098,710 8,286,059
1989 2,124,185 8,034,780
1988 2,076,322 7,793,748
1987 2,022,800 7,561,150
1986 1,970,965 7,335,811
1985 1,921,514 7,118,457
1984 1,874,349 6,909,971
1983 1,829,092 6,708,644
1982 1,785,364 6,512,732
1981 1,742,857 6,322,006
1980 1,701,335 6,135,971
1979 1,660,659 5,955,556
1978 1,619,468 5,782,932
1977 1,576,245 5,619,716
1976 1,531,945 5,464,962
1975 1,488,296 5,317,019
1974 1,446,050 5,174,953
1973 1,405,502 5,037,865
1972 1,366,821 4,904,845
1971 1,330,071 4,776,225
1970 1,295,272 4,650,275
1969 1,262,284 4,525,725
1968 1,229,930 4,403,637
1967 1,196,996 4,283,590
1966 1,163,754 4,165,544
1965 1,131,177 4,049,695
1964 1,100,234 3,935,814
1963 1,071,362 3,823,873
1962 1,041,444 3,714,520
1961 1,009,284 3,608,162
1960 977,595 3,505,050

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/niger | CC BY

From 2006 to 2016, the population of Mongolia increased by 521,688 people (a 20.3% growth), while Niger gained 6,417,172 people (a 45% growth).

For the next 10 years, from 2016 to 2026, Mongolia gained 541,888 people (a 17.5% growth), while Niger's population increased by 8,608,875 people (a 41.6% growth).

Mongolia was ranked 137th most populous country in 2006 and is 132nd in 2026. Niger was ranked 64th in 2006 and ranked 53rd 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 Niger will increase by 80.4% to 52,841,076 people and rank change from 53rd to 38th.

Mongolia is projected to reach its peak in 2100 at 5.63M people compared to the peak of 92.1M people in 2100 for Niger.

Population growth rate by year

Mongolia
Factual

Projection
Niger
Factual

Projection
1x
Year Growth rate
Mongolia Niger
2100 0.11% 0.39%
2099 0.14% 0.41%
2098 0.16% 0.44%
2097 0.17% 0.46%
2096 0.2% 0.49%
2095 0.2% 0.51%
2094 0.22% 0.54%
2093 0.24% 0.56%
2092 0.24% 0.59%
2091 0.26% 0.61%
2090 0.28% 0.64%
2089 0.29% 0.67%
2088 0.29% 0.69%
2087 0.29% 0.72%
2086 0.32% 0.75%
2085 0.32% 0.78%
2084 0.34% 0.82%
2083 0.34% 0.85%
2082 0.35% 0.87%
2081 0.37% 0.91%
2080 0.39% 0.93%
2079 0.41% 0.97%
2078 0.4% 1%
2077 0.42% 1.03%
2076 0.43% 1.06%
2075 0.44% 1.09%
2074 0.45% 1.13%
2073 0.45% 1.16%
2072 0.46% 1.2%
2071 0.47% 1.23%
2070 0.46% 1.27%
2069 0.48% 1.3%
2068 0.48% 1.34%
2067 0.5% 1.38%
2066 0.5% 1.41%
2065 0.49% 1.45%
2064 0.49% 1.48%
2063 0.5% 1.52%
2062 0.5% 1.56%
2061 0.53% 1.6%
2060 0.53% 1.64%
2059 0.54% 1.68%
2058 0.58% 1.72%
2057 0.59% 1.75%
2056 0.61% 1.79%
2055 0.65% 1.83%
2054 0.68% 1.87%
2053 0.71% 1.91%
2052 0.75% 1.95%
2051 0.77% 1.98%
2050 0.83% 2.02%
2049 0.86% 2.06%
2048 0.9% 2.1%
2047 0.94% 2.14%
2046 0.98% 2.18%
2045 1% 2.22%
2044 1.01% 2.26%
2043 1.04% 2.3%
2042 1.05% 2.35%
2041 1.05% 2.39%
2040 1.05% 2.44%
2039 1.04% 2.5%
2038 1.04% 2.55%
2037 1.02% 2.61%
2036 1% 2.67%
2035 1% 2.72%
2034 0.98% 2.79%
2033 0.97% 2.84%
2032 0.95% 2.89%
2031 0.97% 2.96%
2030 0.99% 3.01%
2029 1.02% 3.07%
2028 1.06% 3.12%
2027 1.1% 3.18%
2026 1.16% 3.24%
2025 1.25% 3.28%
2024 1.25% 3.34%
2023 1.38% 3.35%
2022 1.48% 3.31%
2021 1.7% 3.31%
2020 1.82% 3.35%
2019 1.85% 3.42%
2018 1.88% 3.51%
2017 1.94% 3.62%
2016 2.05% 3.74%
2015 2.15% 3.77%
2014 2.21% 3.76%
2013 2.09% 3.83%
2012 1.92% 3.85%
2011 1.74% 3.79%
2010 1.77% 3.8%
2009 1.81% 3.79%
2008 1.59% 3.77%
2007 1.35% 3.75%
2006 1.21% 3.72%
2005 1.12% 3.7%
2004 1.13% 3.66%
2003 1.28% 3.63%
2002 1.29% 3.59%
2001 1.23% 3.57%
2000 1.34% 3.53%
1999 1.42% 3.5%
1998 1.4% 3.44%
1997 1.43% 3.38%
1996 1.55% 3.4%
1995 1.62% 3.37%
1994 1.12% 3.27%
1993 -0.12% 3.21%
1992 0.11% 3.17%
1991 3.17% 3.15%
1990 -1.2% 3.13%
1989 2.31% 3.09%
1988 2.65% 3.08%
1987 2.63% 3.07%
1986 2.57% 3.05%
1985 2.52% 3.02%
1984 2.47% 3%
1983 2.45% 3.01%
1982 2.44% 3.02%
1981 2.44% 3.03%
1980 2.45% 3.03%
1979 2.54% 2.99%
1978 2.74% 2.9%
1977 2.89% 2.83%
1976 2.93% 2.78%
1975 2.92% 2.75%
1974 2.88% 2.72%
1973 2.83% 2.71%
1972 2.76% 2.69%
1971 2.69% 2.71%
1970 2.61% 2.75%
1969 2.63% 2.77%
1968 2.75% 2.8%
1967 2.86% 2.83%
1966 2.88% 2.86%
1965 2.81% 2.89%
1964 2.69% 2.93%
1963 2.87% 2.94%
1962 3.19% 2.95%
1961 3.24% 2.94%

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/niger | CC BY

In 2025, the population of Mongolia grew by 1.25%, while Niger's population grew by 3.28%.

Live population counters

Mongolia Niger
Current population
3630744
29294628
Population rank 132/197 53/197
Percent of world population 0.04% 0.35%
One net population change
11.9 minutes
35.7 seconds
One birth every
8.82 minutes
28.2 seconds
One death every
27.1 minutes
2.23 minutes
Daily growth/decline +121 +2,426
Annual growth/decline +44,190 +885,419
Annual growth/decline rate +1.25% +3.28%
Population growth rate rank 81/197 9/197
One migration net change every
4.63 days
1.14 hours
Annual migration change +79 -7,704
Net migration rank 74/196 126/196
Foreign-born residents 22,589 449,236
Foreign-born residents rank 169/195 85/195
Foreign-born share of population 0.6% 1.7%
Foreign-born share rank 171/195 140/195

Natural population change vs migration

Mongolia
Natural

Migration
Niger
Natural

Migration
1x
Year Population change
Mongolia Niger
Natural Migration Natural Migration
2025 - 79 - -7,704
2024 40,182 83 883,987 -4,041
2023 46,995 0 864,139 995
2022 47,730 0 829,651 995
2021 52,109 0 793,428 -4,405
2020 60,888 0 784,437 -4,402
2019 61,433 8,660 775,474 -15,778
2018 60,635 7,811 763,536 -3,830
2017 57,940 6,831 752,384 -6,830
2016 62,086 5,633 738,999 14,833
2015 64,473 4,307 721,630 17,051
2014 66,078 2,921 704,609 3,891
2013 62,618 1,505 686,070 -2,543
2012 55,942 351 664,009 18,714
2011 50,711 -505 645,175 -6,941
2010 44,914 -6,444 624,685 -8,033
2009 48,876 -15,007 602,671 -9,014
2008 45,843 -17,277 579,727 -9,847
2007 39,636 -15,220 556,808 -10,069
2006 33,609 -11,934 533,374 -10,054
2005 29,290 -8,924 511,167 -9,700
2004 28,418 -8,148 488,328 -9,070
2003 28,827 -7,986 467,295 -8,841
2002 30,439 -8,934 446,767 -9,550
2001 32,052 -10,244 428,417 -8,654
2000 32,753 -11,241 410,779 -8,522
1999 32,283 -13,481 394,212 -12,037
1998 31,757 -10,315 377,120 -7,298
1997 32,403 -9,132 358,745 -13,680
1996 33,741 -8,626 341,223 -8,057
1995 34,473 -7,346 323,630 3,843
1994 34,711 -5,449 306,026 -959
1993 36,924 -5,429 292,135 -2,269
1992 42,437 -8,404 278,690 -2,258
1991 47,884 -11,427 266,527 -1,500
1990 49,443 -11,881 256,594 73
1989 51,420 -9,757 245,278 613
1988 51,588 2,459 237,296 -1,139
1987 51,140 1,855 231,371 -2,338
1986 50,329 354 224,365 -2,728
1985 49,944 -1,719 219,206 -6,126
1984 48,562 -2,452 213,111 -9,208
1983 46,919 -2,522 207,962 -9,209
1982 45,179 -2,132 202,012 -8,935
1981 43,588 -1,615 195,938 -7,559
1980 42,343 -1,268 189,251 -5,564
1979 41,568 -1,296 180,632 -3,495
1978 40,276 1,833 171,614 -3,494
1977 38,995 5,354 161,792 -3,476
1976 37,670 6,577 154,489 -3,308
1975 36,490 6,556 147,962 -3,254
1974 35,297 6,153 142,606 -3,179
1973 33,993 5,647 137,695 -2,942
1972 32,727 4,999 133,813 -2,525
1971 31,536 4,238 128,223 -2,277
1970 30,558 3,263 128,184 -2,225
1969 29,781 2,366 125,389 -2,245
1968 29,017 3,535 123,301 -2,277
1967 28,178 5,139 121,358 -2,289
1966 27,338 5,837 119,314 -2,289
1965 26,364 5,610 116,963 -2,289
1964 25,317 4,599 115,386 -2,289
1963 24,142 3,687 113,072 -2,289
1962 22,960 9,049 110,280 -2,369
1961 21,873 10,440 107,693 -2,893
1960 20,726 10,334 105,081 -3,641

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

GeoRank.org/population/mongolia/niger | 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 Niger 99.9% is from natural causes (a gain of 7,907,665 people) and 0.07% is from migration (a loss of 5,412 people).

As of 2024, 22,589 residents or 0.6% of the population were not native-born in Mongolia, compared to 449,236 people or 1.7% in Niger.

Biggest cities by population

Mongolia
City Population
Ulaanbaatar 1.4M
Bulgan 12.3K
Niger
City Population
Niamey 1.5M
Maradi 267K
Zinder 236K

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/niger | 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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