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

Updated on by Georank team

The latest officially reported population of Mauritania was 5,169,395 in 2024 vs 3,524,788 people in Mongolia in 2024. In 2026, based on the adjusted UN estimation, the current Mauritania's population is 5,505,206 people compared to 3,620,317 in Mongolia.

Population statistics:

  • Mauritania's population is 1.52 times bigger than Mongolia's.
  • Mauritania is ranked the 122nd most populous country in the world, while Mongolia is the 132nd.
  • The countries together account for 0.11% of the world: 0.07% for Mauritania vs 0.04% for Mongolia.
  • For the last 10 years, Mauritania has had an average growth rate of +3% per year vs +1.79% in Mongolia.
  • Since 2006, the population of Mauritania has increased from 3.01M people to 5.51M (82.7% growth), while Mongolia has grown from 2.57M to 3.62M (41% growth).

Mauritania vs Mongolia: population by year and forecast

Mauritania
Factual

Projection
Mongolia
Factual

Projection
1x
Year Population
Mauritania Mongolia
2100 17,309,980 5,629,299
2099 17,202,690 5,623,066
2098 17,090,030 5,615,212
2097 16,975,270 5,606,511
2096 16,857,252 5,597,140
2095 16,739,240 5,585,917
2094 16,617,272 5,574,522
2093 16,492,589 5,562,381
2092 16,366,098 5,549,290
2091 16,235,771 5,535,819
2090 16,103,700 5,521,210
2089 15,969,059 5,505,877
2088 15,831,339 5,490,024
2087 15,690,143 5,474,226
2086 15,547,605 5,458,465
2085 15,403,967 5,441,196
2084 15,257,740 5,423,740
2083 15,108,271 5,405,563
2082 14,958,279 5,387,443
2081 14,805,332 5,368,417
2080 14,651,508 5,348,645
2079 14,496,397 5,328,073
2078 14,337,117 5,306,120
2077 14,175,812 5,285,225
2076 14,013,255 5,263,067
2075 13,849,027 5,240,553
2074 13,684,146 5,217,755
2073 13,517,681 5,194,484
2072 13,349,376 5,171,399
2071 13,178,237 5,147,939
2070 13,007,812 5,123,730
2069 12,835,311 5,100,078
2068 12,662,862 5,075,923
2067 12,487,379 5,051,712
2066 12,311,503 5,026,451
2065 12,136,616 5,001,559
2064 11,958,955 4,977,095
2063 11,783,144 4,952,721
2062 11,606,044 4,928,284
2061 11,428,738 4,903,616
2060 11,251,427 4,877,808
2059 11,072,236 4,851,900
2058 10,892,076 4,825,704
2057 10,713,858 4,798,069
2056 10,536,935 4,770,106
2055 10,358,532 4,741,145
2054 10,179,658 4,710,703
2053 9,999,712 4,678,720
2052 9,819,098 4,645,641
2051 9,639,209 4,611,080
2050 9,461,249 4,575,698
2049 9,283,353 4,538,221
2048 9,104,299 4,499,652
2047 8,926,851 4,459,534
2046 8,748,845 4,418,220
2045 8,572,397 4,375,263
2044 8,397,189 4,332,061
2043 8,222,194 4,288,836
2042 8,048,139 4,244,827
2041 7,876,803 4,200,917
2040 7,706,696 4,157,409
2039 7,537,689 4,114,122
2038 7,369,184 4,071,754
2037 7,202,472 4,029,761
2036 7,036,729 3,988,994
2035 6,871,981 3,949,374
2034 6,708,364 3,910,459
2033 6,546,168 3,872,505
2032 6,385,827 3,835,471
2031 6,227,564 3,799,194
2030 6,070,865 3,762,550
2029 5,916,516 3,725,673
2028 5,764,060 3,687,959
2027 5,613,919 3,649,213
2026 5,464,898 3,609,604
2025 5,317,228 3,568,196
2024 5,169,395 3,524,788
2023 5,022,441 3,481,145
2022 4,875,637 3,433,748
2021 4,734,874 3,383,741
2020 4,600,131 3,327,204
2019 4,467,708 3,267,673
2018 4,337,685 3,208,189
2017 4,210,600 3,148,917
2016 4,086,657 3,088,856
2015 3,965,959 3,026,864
2014 3,848,514 2,963,113
2013 3,734,318 2,899,011
2012 3,619,034 2,839,705
2011 3,502,811 2,786,317
2010 3,390,965 2,738,622
2009 3,284,448 2,691,115
2008 3,183,269 2,643,201
2007 3,093,059 2,601,850
2006 3,013,660 2,567,168
2005 2,939,059 2,536,407
2004 2,868,664 2,508,412
2003 2,802,046 2,480,374
2002 2,738,655 2,449,027
2001 2,678,760 2,417,751
2000 2,613,441 2,388,299
1999 2,541,698 2,356,813
1998 2,474,651 2,323,809
1997 2,411,306 2,291,750
1996 2,358,188 2,259,507
1995 2,312,017 2,224,945
1994 2,249,454 2,189,395
1993 2,174,328 2,165,130
1992 2,088,135 2,167,790
1991 2,009,738 2,165,342
1990 1,951,878 2,098,710
1989 1,903,048 2,124,185
1988 1,855,859 2,076,322
1987 1,803,014 2,022,800
1986 1,751,835 1,970,965
1985 1,702,107 1,921,514
1984 1,653,693 1,874,349
1983 1,606,746 1,829,092
1982 1,561,176 1,785,364
1981 1,516,877 1,742,857
1980 1,474,043 1,701,335
1979 1,432,758 1,660,659
1978 1,392,713 1,619,468
1977 1,353,768 1,576,245
1976 1,315,336 1,531,945
1975 1,277,330 1,488,296
1974 1,240,188 1,446,050
1973 1,203,838 1,405,502
1972 1,168,355 1,366,821
1971 1,133,702 1,330,071
1970 1,099,806 1,295,272
1969 1,066,754 1,262,284
1968 1,034,739 1,229,930
1967 1,003,843 1,196,996
1966 974,157 1,163,754
1965 945,838 1,131,177
1964 918,955 1,100,234
1963 893,423 1,071,362
1962 869,184 1,041,444
1961 846,167 1,009,284
1960 824,298 977,595

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/mauritania/mongolia | CC BY

From 2006 to 2016, the population of Mauritania increased by 1,072,997 people (a 35.6% growth), while Mongolia gained 521,688 people (a 20.3% growth).

For the next 10 years, from 2016 to 2026, Mauritania gained 1,418,549 people (a 34.7% growth), while Mongolia's population increased by 531,461 people (a 17.2% growth).

Mauritania was ranked 132nd most populous country in 2006 and is 122nd in 2026. Mongolia was ranked 137th in 2006 and ranked 132nd now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Mauritania's population will grow by 71.9% to 9,461,249 people with a rank change from 122nd to 102nd. The population of Mongolia will increase by 26.4% to 4,575,698 people and rank change from 132nd to 130th.

Mauritania is projected to reach its peak in 2100 at 17.3M people compared to the peak of 5.63M people in 2100 for Mongolia.

Population growth rate by year

Mauritania
Factual

Projection
Mongolia
Factual

Projection
1x
Year Growth rate
Mauritania Mongolia
2100 0.62% 0.11%
2099 0.66% 0.14%
2098 0.68% 0.16%
2097 0.7% 0.17%
2096 0.7% 0.2%
2095 0.73% 0.2%
2094 0.76% 0.22%
2093 0.77% 0.24%
2092 0.8% 0.24%
2091 0.82% 0.26%
2090 0.84% 0.28%
2089 0.87% 0.29%
2088 0.9% 0.29%
2087 0.92% 0.29%
2086 0.93% 0.32%
2085 0.96% 0.32%
2084 0.99% 0.34%
2083 1% 0.34%
2082 1.03% 0.35%
2081 1.05% 0.37%
2080 1.07% 0.39%
2079 1.11% 0.41%
2078 1.14% 0.4%
2077 1.16% 0.42%
2076 1.19% 0.43%
2075 1.2% 0.44%
2074 1.23% 0.45%
2073 1.26% 0.45%
2072 1.3% 0.46%
2071 1.31% 0.47%
2070 1.34% 0.46%
2069 1.36% 0.48%
2068 1.41% 0.48%
2067 1.43% 0.5%
2066 1.44% 0.5%
2065 1.49% 0.49%
2064 1.49% 0.49%
2063 1.53% 0.5%
2062 1.55% 0.5%
2061 1.58% 0.53%
2060 1.62% 0.53%
2059 1.65% 0.54%
2058 1.66% 0.58%
2057 1.68% 0.59%
2056 1.72% 0.61%
2055 1.76% 0.65%
2054 1.8% 0.68%
2053 1.84% 0.71%
2052 1.87% 0.75%
2051 1.88% 0.77%
2050 1.92% 0.83%
2049 1.97% 0.86%
2048 1.99% 0.9%
2047 2.03% 0.94%
2046 2.06% 0.98%
2045 2.09% 1%
2044 2.13% 1.01%
2043 2.16% 1.04%
2042 2.18% 1.05%
2041 2.21% 1.05%
2040 2.24% 1.05%
2039 2.29% 1.04%
2038 2.31% 1.04%
2037 2.36% 1.02%
2036 2.4% 1%
2035 2.44% 1%
2034 2.48% 0.98%
2033 2.51% 0.97%
2032 2.54% 0.95%
2031 2.58% 0.97%
2030 2.61% 0.99%
2029 2.64% 1.02%
2028 2.67% 1.06%
2027 2.73% 1.1%
2026 2.78% 1.16%
2025 2.86% 1.23%
2024 2.93% 1.25%
2023 3.01% 1.38%
2022 2.97% 1.48%
2021 2.93% 1.7%
2020 2.96% 1.82%
2019 3% 1.85%
2018 3.02% 1.88%
2017 3.03% 1.94%
2016 3.04% 2.05%
2015 3.05% 2.15%
2014 3.06% 2.21%
2013 3.19% 2.09%
2012 3.32% 1.92%
2011 3.3% 1.74%
2010 3.24% 1.77%
2009 3.18% 1.81%
2008 2.92% 1.59%
2007 2.63% 1.35%
2006 2.54% 1.21%
2005 2.45% 1.12%
2004 2.38% 1.13%
2003 2.31% 1.28%
2002 2.24% 1.29%
2001 2.5% 1.23%
2000 2.82% 1.34%
1999 2.71% 1.42%
1998 2.63% 1.4%
1997 2.25% 1.43%
1996 2% 1.55%
1995 2.78% 1.62%
1994 3.46% 1.12%
1993 4.13% -0.12%
1992 3.9% 0.11%
1991 2.96% 3.17%
1990 2.57% -1.2%
1989 2.54% 2.31%
1988 2.93% 2.65%
1987 2.92% 2.63%
1986 2.92% 2.57%
1985 2.93% 2.52%
1984 2.92% 2.47%
1983 2.92% 2.45%
1982 2.92% 2.44%
1981 2.91% 2.44%
1980 2.88% 2.45%
1979 2.88% 2.54%
1978 2.88% 2.74%
1977 2.92% 2.89%
1976 2.98% 2.93%
1975 2.99% 2.92%
1974 3.02% 2.88%
1973 3.04% 2.83%
1972 3.06% 2.76%
1971 3.08% 2.69%
1970 3.1% 2.61%
1969 3.09% 2.63%
1968 3.08% 2.75%
1967 3.05% 2.86%
1966 2.99% 2.88%
1965 2.93% 2.81%
1964 2.86% 2.69%
1963 2.79% 2.87%
1962 2.72% 3.19%
1961 2.65% 3.24%

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/mauritania/mongolia | CC BY

In 2024, the population of Mauritania grew by 2.93%, while Mongolia's population grew by 1.25%.

Live population counters

Mauritania Mongolia
Current population
5505206
3620317
Population rank 122/197 132/197
Percent of world population 0.07% 0.04%
One net population change
3.58 minutes
12 minutes
One birth every
3.04 minutes
7.95 minutes
One death every
19 minutes
27.5 minutes
Daily growth/decline +403 +120
Annual growth/decline +146,954 +43,643
Annual growth/decline rate +2.93% +1.25%
Population growth rate rank 17/197 86/197
One migration net change every
1.74 hours
4.63 days
Annual migration change -5,044 +79
Net migration rank 115/196 74/196
Foreign-born residents 195,937 22,589
Foreign-born residents rank 113/195 169/195
Foreign-born share of population 3.8% 0.6%
Foreign-born share rank 107/195 171/195

Natural population change vs migration

Mauritania
Natural

Migration
Mongolia
Natural

Migration
1x
Year Population change
Mauritania Mongolia
Natural Migration Natural Migration
2025 - -5,044 - 79
2024 - -2,185 - 83
2023 145,164 2,999 46,995 0
2022 142,451 2,999 47,730 0
2021 137,557 -1,483 52,109 0
2020 134,899 -1,483 60,888 0
2019 134,460 -3,019 61,433 8,660
2018 131,584 -2,987 60,635 7,811
2017 128,562 -3,001 57,940 6,831
2016 125,342 -3,008 62,086 5,633
2015 122,092 -3,019 64,473 4,307
2014 118,792 -2,980 66,078 2,921
2013 115,558 -2,987 62,618 1,505
2012 113,489 4,515 55,942 351
2011 111,165 3,272 50,711 -505
2010 108,121 1,128 44,914 -6,444
2009 105,273 -1,481 48,876 -15,007
2008 102,432 -3,860 45,843 -17,277
2007 98,895 -17,048 39,636 -15,220
2006 94,991 -18,033 33,609 -11,934
2005 90,940 -18,693 29,290 -8,924
2004 87,578 -19,042 28,418 -8,148
2003 83,804 -19,104 28,827 -7,986
2002 80,993 -18,903 30,439 -8,934
2001 78,769 -21,067 32,052 -10,244
2000 75,929 -2,997 32,753 -11,241
1999 73,554 -2,999 32,283 -13,481
1998 72,045 -8,504 31,757 -10,315
1997 71,327 -8,187 32,403 -9,132
1996 71,939 -28,840 33,741 -8,626
1995 72,244 -22,997 34,473 -7,346
1994 70,570 5,304 34,711 -5,449
1993 68,167 6,217 36,924 -5,429
1992 63,501 34,505 42,437 -8,404
1991 61,782 -2,997 47,884 -11,427
1990 59,934 -3,000 49,443 -11,881
1989 58,666 -17,941 51,420 -9,757
1988 56,654 -2,997 51,588 2,459
1987 55,037 -2,998 51,140 1,855
1986 53,313 -2,998 50,329 354
1985 52,125 -2,998 49,944 -1,719
1984 50,705 -2,998 48,562 -2,452
1983 49,187 -2,998 46,919 -2,522
1982 47,947 -2,998 45,179 -2,132
1981 46,641 -2,998 43,588 -1,615
1980 45,026 -2,997 42,343 -1,268
1979 43,537 -2,997 41,568 -1,296
1978 42,539 -2,998 40,276 1,833
1977 41,352 -2,999 38,995 5,354
1976 40,149 -1,645 37,670 6,577
1975 38,975 -1,472 36,490 6,556
1974 38,106 -1,321 35,297 6,153
1973 37,122 -1,201 33,993 5,647
1972 36,184 -1,139 32,727 4,999
1971 35,279 -1,014 31,536 4,238
1970 34,382 -855 30,558 3,263
1969 33,252 -688 29,781 2,366
1968 32,029 -565 29,017 3,535
1967 30,853 -514 28,178 5,139
1966 29,502 -466 27,338 5,837
1965 28,028 -434 26,364 5,610
1964 26,565 -390 25,317 4,599
1963 25,250 -362 24,142 3,687
1962 23,927 -342 22,960 9,049
1961 22,781 -332 21,873 10,440
1960 21,604 -318 20,726 10,334

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

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

Over the last 10 years, 98.9% of the population change in Mauritania is from natural causes (a gain of 1,320,903 people) and 1.12% is from migration (a loss of 14,982 people). In Mongolia 94.1% is from natural causes (a gain of 580,367 people) and 5.87% is from migration (a gain of 36,163 people).

As of 2024, 195,937 residents or 3.8% of the population were not native-born in Mauritania, compared to 22,589 people or 0.6% in Mongolia.

Biggest cities by population

Mauritania
City Population
Nouakchott 1.45M
Rosso 61.2K
Mongolia
City Population
Ulaanbaatar 1.4M
Bulgan 12.3K

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/mauritania/mongolia | 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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