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

Updated on by Georank

The latest officially reported population of Mauritania was 5,315,065 in 2025 vs 1,243,741 people in Mauritius in 2025. In 2026, based on the adjusted UN estimation, the current Mauritania's population is 5,539,189 people compared to 1,240,721 in Mauritius.

Population statistics:

  • Mauritania's population is 4.46 times bigger than Mauritius'.
  • Mauritania is ranked the 123rd most populous country in the world, while Mauritius is the 157th.
  • The countries together account for 0.08% of the world: 0.07% for Mauritania vs 0.01% for Mauritius.
  • For the last 10 years, Mauritania has had an average growth rate of +2.98% per year vs -0.13% in Mauritius.
  • Since 2006, the population of Mauritania has increased from 3.01M people to 5.54M (83.8% growth), while Mauritius has grown from 1.23M to 1.24M (0.54% growth).

Mauritania vs Mauritius: population by year and forecast

Mauritania
Factual

Projection
Mauritius
Factual

Projection
1x
Year Population
Mauritania Mauritius
2100 17,302,938 573,815
2099 17,195,692 582,097
2098 17,083,078 590,562
2097 16,968,365 599,251
2096 16,850,394 608,134
2095 16,732,430 617,230
2094 16,610,512 626,529
2093 16,485,880 636,052
2092 16,359,440 645,739
2091 16,229,167 655,617
2090 16,097,149 665,663
2089 15,962,562 675,889
2088 15,824,899 686,240
2087 15,683,760 696,717
2086 15,541,281 707,360
2085 15,397,701 718,105
2084 15,251,533 728,910
2083 15,102,125 739,778
2082 14,952,194 750,765
2081 14,799,309 761,750
2080 14,645,548 772,748
2079 14,490,500 783,786
2078 14,331,284 794,837
2077 14,170,045 805,918
2076 14,007,555 816,942
2075 13,843,393 827,927
2074 13,678,579 838,911
2073 13,512,182 849,873
2072 13,343,946 860,821
2071 13,172,876 871,644
2070 13,002,521 882,518
2069 12,830,090 893,282
2068 12,657,711 903,984
2067 12,482,299 914,668
2066 12,306,495 925,317
2065 12,131,679 935,999
2064 11,954,090 946,603
2063 11,778,351 957,115
2062 11,601,323 967,627
2061 11,424,089 978,076
2060 11,246,850 988,500
2059 11,067,732 998,838
2058 10,887,645 1,009,091
2057 10,709,500 1,019,346
2056 10,532,648 1,029,601
2055 10,354,318 1,039,730
2054 10,175,517 1,049,821
2053 9,995,645 1,059,876
2052 9,815,104 1,069,793
2051 9,635,288 1,079,612
2050 9,457,400 1,089,300
2049 9,279,576 1,098,902
2048 9,100,595 1,108,341
2047 8,923,220 1,117,590
2046 8,745,286 1,126,567
2045 8,568,910 1,135,321
2044 8,393,773 1,143,708
2043 8,218,850 1,151,882
2042 8,044,865 1,159,639
2041 7,873,599 1,167,107
2040 7,703,561 1,174,241
2039 7,534,623 1,181,008
2038 7,366,187 1,187,347
2037 7,199,542 1,193,347
2036 7,033,866 1,199,055
2035 6,869,186 1,204,453
2034 6,705,635 1,209,521
2033 6,543,505 1,214,292
2032 6,383,229 1,218,727
2031 6,225,030 1,222,858
2030 6,068,395 1,226,642
2029 5,914,109 1,230,401
2028 5,761,715 1,234,008
2027 5,611,635 1,237,431
2026 5,462,675 1,240,721
2025 5,315,065 1,243,741
2024 5,169,395 1,245,779
2023 5,022,441 1,248,647
2022 4,875,637 1,262,523
2021 4,734,874 1,266,334
2020 4,600,131 1,266,014
2019 4,467,708 1,265,985
2018 4,337,685 1,265,577
2017 4,210,600 1,264,887
2016 4,086,657 1,263,747
2015 3,965,959 1,262,879
2014 3,848,514 1,261,208
2013 3,734,318 1,258,927
2012 3,619,034 1,255,882
2011 3,502,811 1,252,404
2010 3,390,965 1,250,400
2009 3,284,448 1,247,429
2008 3,183,269 1,244,121
2007 3,093,059 1,239,630
2006 3,013,660 1,233,996
2005 2,939,059 1,228,254
2004 2,868,664 1,221,003
2003 2,802,046 1,213,370
2002 2,738,655 1,204,621
2001 2,678,760 1,196,287
2000 2,613,441 1,186,873
1999 2,541,698 1,175,267
1998 2,474,651 1,160,421
1997 2,411,306 1,148,284
1996 2,358,188 1,133,996
1995 2,312,017 1,122,457
1994 2,249,454 1,112,846
1993 2,174,328 1,097,374
1992 2,088,135 1,084,441
1991 2,009,738 1,070,266
1990 1,951,878 1,058,775
1989 1,903,048 1,051,260
1988 1,855,859 1,043,239
1987 1,803,014 1,036,082
1986 1,751,835 1,028,360
1985 1,702,107 1,020,528
1984 1,653,693 1,012,221
1983 1,606,746 1,001,691
1982 1,561,176 992,521
1981 1,516,877 980,462
1980 1,474,043 966,039
1979 1,432,758 949,888
1978 1,392,713 933,499
1977 1,353,768 921,379
1976 1,315,336 906,507
1975 1,277,330 892,000
1974 1,240,188 878,042
1973 1,203,838 864,819
1972 1,168,355 852,053
1971 1,133,702 839,230
1970 1,099,806 826,000
1969 1,066,754 812,405
1968 1,034,739 798,413
1967 1,003,843 783,917
1966 974,157 768,813
1965 945,838 753,000
1964 918,955 736,381
1963 893,423 718,861
1962 869,184 700,349
1961 846,167 680,757
1960 824,298 680,331

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/mauritania/mauritius | CC BY

From 2006 to 2016, the population of Mauritania increased by 1,072,997 people (a 35.6% growth), while Mauritius gained 29,751 people (a 2.41% growth).

For the next 10 years, from 2016 to 2026, Mauritania gained 1,452,532 people (a 35.5% growth), while Mauritius' population decreased by 23,026 people (a 1.82% decline).

Mauritania was ranked 132nd most populous country in 2006 and is 123rd in 2026. Mauritius was ranked 151st in 2006 and ranked 157th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Mauritania's population will grow by 70.7% to 9,457,400 people with a rank change from 123rd to 103rd. The population of Mauritius will decrease by 12.2% to 1,089,300 people and rank change from 157th to 160th.

Mauritania is projected to reach its peak in 2100 at 17.3M people, while Mauritius' population already peaked in 2021 at 1.27M people and is projected to decrease to 574K people by 2100.

Population growth rate by year

Mauritania
Factual

Projection
Mauritius
Factual

Projection
1x
Year Growth rate
Mauritania Mauritius
2100 0.62% -1.42%
2099 0.66% -1.43%
2098 0.68% -1.45%
2097 0.7% -1.46%
2096 0.7% -1.47%
2095 0.73% -1.48%
2094 0.76% -1.5%
2093 0.77% -1.5%
2092 0.8% -1.51%
2091 0.82% -1.51%
2090 0.84% -1.51%
2089 0.87% -1.51%
2088 0.9% -1.5%
2087 0.92% -1.5%
2086 0.93% -1.5%
2085 0.96% -1.48%
2084 0.99% -1.47%
2083 1% -1.46%
2082 1.03% -1.44%
2081 1.05% -1.42%
2080 1.07% -1.41%
2079 1.11% -1.39%
2078 1.14% -1.38%
2077 1.16% -1.35%
2076 1.19% -1.33%
2075 1.2% -1.31%
2074 1.23% -1.29%
2073 1.26% -1.27%
2072 1.3% -1.24%
2071 1.31% -1.23%
2070 1.34% -1.21%
2069 1.36% -1.18%
2068 1.41% -1.17%
2067 1.43% -1.15%
2066 1.44% -1.14%
2065 1.49% -1.12%
2064 1.49% -1.1%
2063 1.53% -1.09%
2062 1.55% -1.07%
2061 1.58% -1.05%
2060 1.62% -1.04%
2059 1.65% -1.02%
2058 1.66% -1.01%
2057 1.68% -1%
2056 1.72% -0.97%
2055 1.76% -0.96%
2054 1.8% -0.95%
2053 1.84% -0.93%
2052 1.87% -0.91%
2051 1.88% -0.89%
2050 1.92% -0.87%
2049 1.97% -0.85%
2048 1.99% -0.83%
2047 2.03% -0.8%
2046 2.06% -0.77%
2045 2.09% -0.73%
2044 2.13% -0.71%
2043 2.16% -0.67%
2042 2.18% -0.64%
2041 2.21% -0.61%
2040 2.24% -0.57%
2039 2.29% -0.53%
2038 2.31% -0.5%
2037 2.36% -0.48%
2036 2.4% -0.45%
2035 2.44% -0.42%
2034 2.48% -0.39%
2033 2.51% -0.36%
2032 2.54% -0.34%
2031 2.58% -0.31%
2030 2.61% -0.31%
2029 2.64% -0.29%
2028 2.67% -0.28%
2027 2.73% -0.27%
2026 2.78% -0.24%
2025 2.82% -0.16%
2024 2.93% -0.23%
2023 3.01% -1.1%
2022 2.97% -0.3%
2021 2.93% 0.03%
2020 2.96% 0.002%
2019 3% 0.03%
2018 3.02% 0.05%
2017 3.03% 0.09%
2016 3.04% 0.07%
2015 3.05% 0.13%
2014 3.06% 0.18%
2013 3.19% 0.24%
2012 3.32% 0.28%
2011 3.3% 0.16%
2010 3.24% 0.24%
2009 3.18% 0.27%
2008 2.92% 0.36%
2007 2.63% 0.46%
2006 2.54% 0.47%
2005 2.45% 0.59%
2004 2.38% 0.63%
2003 2.31% 0.73%
2002 2.24% 0.7%
2001 2.5% 0.79%
2000 2.82% 0.99%
1999 2.71% 1.28%
1998 2.63% 1.06%
1997 2.25% 1.26%
1996 2% 1.03%
1995 2.78% 0.86%
1994 3.46% 1.41%
1993 4.13% 1.19%
1992 3.9% 1.32%
1991 2.96% 1.09%
1990 2.57% 0.71%
1989 2.54% 0.77%
1988 2.93% 0.69%
1987 2.92% 0.75%
1986 2.92% 0.77%
1985 2.93% 0.82%
1984 2.92% 1.05%
1983 2.92% 0.92%
1982 2.92% 1.23%
1981 2.91% 1.49%
1980 2.88% 1.7%
1979 2.88% 1.76%
1978 2.88% 1.32%
1977 2.92% 1.64%
1976 2.98% 1.63%
1975 2.99% 1.59%
1974 3.02% 1.53%
1973 3.04% 1.5%
1972 3.06% 1.53%
1971 3.08% 1.6%
1970 3.1% 1.67%
1969 3.09% 1.75%
1968 3.08% 1.85%
1967 3.05% 1.96%
1966 2.99% 2.1%
1965 2.93% 2.26%
1964 2.86% 2.44%
1963 2.79% 2.64%
1962 2.72% 2.88%
1961 2.65% 0.06%

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/mauritania/mauritius | CC BY

In 2025, the population of Mauritania grew by 2.82%, while Mauritius' population declined by 0.16%.

Live population counters

Mauritania Mauritius
Current population
5539189
1240721
Population rank 123/197 157/197
Percent of world population 0.07% 0.01%
One net population change
3.62 minutes
4.31 hours
One birth every
2.99 minutes
41 minutes
One death every
18.8 minutes
42.2 minutes
Daily growth/decline +399 -6
Annual growth/decline +145,670 -2,038
Annual growth/decline rate +2.82% -0.16%
Population growth rate rank 18/197 171/197
One migration net change every
1.74 hours
3.16 hours
Annual migration change -5,044 -2,784
Net migration rank 115/196 103/196
Foreign-born residents 195,937 29,142
Foreign-born residents rank 113/195 165/195
Foreign-born share of population 3.8% 2.3%
Foreign-born share rank 107/195 129/195

Natural population change vs migration

Mauritania
Natural

Migration
Mauritius
Natural

Migration
1x
Year Population change
Mauritania Mauritius
Natural Migration Natural Migration
2025 - -5,044 - -2,784
2024 147,927 -2,185 374 -2,787
2023 145,164 2,999 999 -2,824
2022 142,451 2,999 -757 -2,824
2021 137,557 -1,483 -380 -4,324
2020 134,899 -1,483 2,406 -5,895
2019 134,460 -3,019 1,646 -5,202
2018 131,584 -2,987 2,152 -5,084
2017 128,562 -3,001 3,289 -5,322
2016 125,342 -3,008 2,906 -4,483
2015 122,092 -3,019 2,905 -3,645
2014 118,792 -2,980 3,657 -3,691
2013 115,558 -2,987 4,281 -3,617
2012 113,489 4,515 5,023 -3,663
2011 111,165 3,272 5,511 -2,465
2010 108,121 1,128 5,877 -2,624
2009 105,273 -1,481 6,113 -2,467
2008 102,432 -3,860 7,465 -2,589
2007 98,895 -17,048 8,429 -2,642
2006 94,991 -18,033 8,515 -2,757
2005 90,940 -18,693 10,195 -2,840
2004 87,578 -19,042 10,745 -3,001
2003 83,804 -19,104 10,799 -3,141
2002 80,993 -18,903 11,685 -3,150
2001 78,769 -21,067 11,723 -3,225
2000 75,929 -2,997 12,224 -2,326
1999 73,554 -2,999 12,341 -1,463
1998 72,045 -8,504 11,489 -1,292
1997 71,327 -8,187 11,943 -1,199
1996 71,939 -28,840 13,041 -1,092
1995 72,244 -22,997 13,020 -1,144
1994 70,570 5,304 14,355 -1,112
1993 68,167 6,217 14,814 -1,189
1992 63,501 34,505 15,833 -1,254
1991 61,782 -2,997 15,091 -1,333
1990 59,934 -3,000 15,564 -1,938
1989 58,666 -17,941 14,718 -2,463
1988 56,654 -2,997 14,084 -1,399
1987 55,037 -2,998 13,262 -300
1986 53,313 -2,998 12,340 852
1985 52,125 -2,998 12,451 615
1984 50,705 -2,998 13,665 -258
1983 49,187 -2,998 14,525 -1,756
1982 47,947 -2,998 15,880 -2,226
1981 46,641 -2,998 18,334 -1,559
1980 45,026 -2,997 19,321 -1,739
1979 43,537 -2,997 19,282 -2,363
1978 42,539 -2,998 18,670 -3,129
1977 41,352 -2,999 16,769 -3,749
1976 40,149 -1,645 16,407 -3,807
1975 38,975 -1,472 15,342 -3,869
1974 38,106 -1,321 17,561 -4,908
1973 37,122 -1,201 13,145 -2,144
1972 36,184 -1,139 14,825 -2,408
1971 35,279 -1,014 15,441 -960
1970 34,382 -855 16,190 -1,281
1969 33,252 -688 15,761 -674
1968 32,029 -565 17,884 -2,445
1967 30,853 -514 17,560 -1,257
1966 29,502 -466 20,758 -4,123
1965 28,028 -434 20,482 -3,597
1964 26,565 -390 22,239 -4,850
1963 25,250 -362 22,069 -5,236
1962 23,927 -342 20,660 -6,107
1961 22,781 -332 20,355 -8,984
1960 21,604 -318 19,931 -7,083

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

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

Over the last 10 years, 99% of the population change in Mauritania is from natural causes (a gain of 1,350,038 people) and 1.04% is from migration (a loss of 14,187 people). In Mauritius 26.8% is from natural causes (a gain of 15,540 people) and 73.2% is from migration (a loss of 42,390 people).

As of 2024, 195,937 residents or 3.8% of the population were not native-born in Mauritania, compared to 29,142 people or 2.3% in Mauritius.

Biggest cities by population

Mauritania
City Population
Nouakchott 1.45M
Rosso 61.2K
Mauritius
City Population
Port Louis 149K
Quatre Bornes 81.8K
Curepipe 77.5K
Triolet 23.4K
Goodlands 20.7K
Centre de Flacq 15.8K
Mahebourg 15.8K
Bambous 15.3K

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/mauritania/mauritius | 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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