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

Updated on by Georank team

The latest officially reported population of Mauritania was 5,169,395 in 2024 vs 27,032,412 people in Niger in 2024. In 2026, based on the adjusted UN estimation, the current Mauritania's population is 5,505,206 people compared to 29,080,898 in Niger.

Population statistics:

  • Niger's population is 5.28 times bigger than Mauritania's.
  • Mauritania is ranked the 122nd most populous country in the world, while Niger is the 53rd.
  • The countries together account for 0.42% of the world: 0.07% for Mauritania vs 0.35% for Niger.
  • For the last 10 years, Mauritania has had an average growth rate of +3% per year vs +3.5% in Niger.
  • Since 2006, the population of Mauritania has increased from 3.01M people to 5.51M (82.7% growth), while Niger has grown from 14.3M to 29.1M (103.8% growth).

Mauritania vs Niger: population by year and forecast

Mauritania
Factual

Projection
Niger
Factual

Projection
1x
Year Population
Mauritania Niger
2100 17,309,980 92,149,803
2099 17,202,690 91,788,730
2098 17,090,030 91,409,848
2097 16,975,270 91,009,119
2096 16,857,252 90,589,670
2095 16,739,240 90,150,766
2094 16,617,272 89,694,201
2093 16,492,589 89,215,318
2092 16,366,098 88,716,114
2091 16,235,771 88,197,952
2090 16,103,700 87,660,657
2089 15,969,059 87,103,777
2088 15,831,339 86,525,686
2087 15,690,143 85,929,075
2086 15,547,605 85,313,560
2085 15,403,967 84,675,788
2084 15,257,740 84,017,371
2083 15,108,271 83,337,884
2082 14,958,279 82,638,198
2081 14,805,332 81,922,470
2080 14,651,508 81,186,181
2079 14,496,397 80,435,226
2078 14,337,117 79,665,207
2077 14,175,812 78,877,754
2076 14,013,255 78,071,174
2075 13,849,027 77,248,629
2074 13,684,146 76,412,785
2073 13,517,681 75,560,272
2072 13,349,376 74,691,713
2071 13,178,237 73,808,594
2070 13,007,812 72,912,178
2069 12,835,311 71,999,238
2068 12,662,862 71,073,720
2067 12,487,379 70,133,854
2066 12,311,503 69,181,625
2065 12,136,616 68,221,595
2064 11,958,955 67,248,034
2063 11,783,144 66,264,418
2062 11,606,044 65,270,595
2061 11,428,738 64,267,053
2060 11,251,427 63,257,169
2059 11,072,236 62,239,490
2058 10,892,076 61,213,177
2057 10,713,858 60,180,993
2056 10,536,935 59,145,841
2055 10,358,532 58,103,375
2054 10,179,658 57,056,756
2053 9,999,712 56,007,297
2052 9,819,098 54,958,567
2051 9,639,209 53,907,164
2050 9,461,249 52,858,275
2049 9,283,353 51,810,418
2048 9,104,299 50,763,456
2047 8,926,851 49,719,695
2046 8,748,845 48,677,799
2045 8,572,397 47,638,048
2044 8,397,189 46,602,104
2043 8,222,194 45,572,618
2042 8,048,139 44,546,381
2041 7,876,803 43,525,533
2040 7,706,696 42,508,212
2039 7,537,689 41,495,840
2038 7,369,184 40,485,407
2037 7,202,472 39,476,789
2036 7,036,729 38,472,178
2035 6,871,981 37,470,776
2034 6,708,364 36,477,557
2033 6,546,168 35,487,806
2032 6,385,827 34,508,717
2031 6,227,564 33,538,029
2030 6,070,865 32,574,145
2029 5,916,516 31,620,865
2028 5,764,060 30,680,257
2027 5,613,919 29,750,695
2026 5,464,898 28,832,547
2025 5,317,228 27,926,917
2024 5,169,395 27,032,412
2023 5,022,441 26,159,867
2022 4,875,637 25,311,973
2021 4,734,874 24,502,140
2020 4,600,131 23,717,613
2019 4,467,708 22,947,757
2018 4,337,685 22,188,069
2017 4,210,600 21,435,446
2016 4,086,657 20,685,753
2015 3,965,959 19,939,498
2014 3,848,514 19,215,909
2013 3,734,318 18,519,898
2012 3,619,034 17,836,769
2011 3,502,811 17,176,283
2010 3,390,965 16,548,835
2009 3,284,448 15,943,675
2008 3,183,269 15,361,915
2007 3,093,059 14,803,610
2006 3,013,660 14,268,581
2005 2,939,059 13,756,192
2004 2,868,664 13,265,836
2003 2,802,046 12,796,984
2002 2,738,655 12,349,144
2001 2,678,760 11,920,647
2000 2,613,441 11,509,630
1999 2,541,698 11,117,411
1998 2,474,651 10,741,413
1997 2,411,306 10,383,969
1996 2,358,188 10,044,852
1995 2,312,017 9,714,529
1994 2,249,454 9,398,258
1993 2,174,328 9,100,789
1992 2,088,135 8,817,633
1991 2,009,738 8,546,900
1990 1,951,878 8,286,059
1989 1,903,048 8,034,780
1988 1,855,859 7,793,748
1987 1,803,014 7,561,150
1986 1,751,835 7,335,811
1985 1,702,107 7,118,457
1984 1,653,693 6,909,971
1983 1,606,746 6,708,644
1982 1,561,176 6,512,732
1981 1,516,877 6,322,006
1980 1,474,043 6,135,971
1979 1,432,758 5,955,556
1978 1,392,713 5,782,932
1977 1,353,768 5,619,716
1976 1,315,336 5,464,962
1975 1,277,330 5,317,019
1974 1,240,188 5,174,953
1973 1,203,838 5,037,865
1972 1,168,355 4,904,845
1971 1,133,702 4,776,225
1970 1,099,806 4,650,275
1969 1,066,754 4,525,725
1968 1,034,739 4,403,637
1967 1,003,843 4,283,590
1966 974,157 4,165,544
1965 945,838 4,049,695
1964 918,955 3,935,814
1963 893,423 3,823,873
1962 869,184 3,714,520
1961 846,167 3,608,162
1960 824,298 3,505,050

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/niger | CC BY

From 2006 to 2016, the population of Mauritania increased by 1,072,997 people (a 35.6% growth), while Niger gained 6,417,172 people (a 45% growth).

For the next 10 years, from 2016 to 2026, Mauritania gained 1,418,549 people (a 34.7% growth), while Niger's population increased by 8,395,145 people (a 40.6% growth).

Mauritania was ranked 132nd most populous country in 2006 and is 122nd 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) Mauritania's population will grow by 71.9% to 9,461,249 people with a rank change from 122nd to 102nd. The population of Niger will increase by 81.8% to 52,858,275 people and rank change from 53rd to 38th.

Mauritania is projected to reach its peak in 2100 at 17.3M people compared to the peak of 92.1M people in 2100 for Niger.

Population growth rate by year

Mauritania
Factual

Projection
Niger
Factual

Projection
1x
Year Growth rate
Mauritania Niger
2100 0.62% 0.39%
2099 0.66% 0.41%
2098 0.68% 0.44%
2097 0.7% 0.46%
2096 0.7% 0.49%
2095 0.73% 0.51%
2094 0.76% 0.54%
2093 0.77% 0.56%
2092 0.8% 0.59%
2091 0.82% 0.61%
2090 0.84% 0.64%
2089 0.87% 0.67%
2088 0.9% 0.69%
2087 0.92% 0.72%
2086 0.93% 0.75%
2085 0.96% 0.78%
2084 0.99% 0.82%
2083 1% 0.85%
2082 1.03% 0.87%
2081 1.05% 0.91%
2080 1.07% 0.93%
2079 1.11% 0.97%
2078 1.14% 1%
2077 1.16% 1.03%
2076 1.19% 1.06%
2075 1.2% 1.09%
2074 1.23% 1.13%
2073 1.26% 1.16%
2072 1.3% 1.2%
2071 1.31% 1.23%
2070 1.34% 1.27%
2069 1.36% 1.3%
2068 1.41% 1.34%
2067 1.43% 1.38%
2066 1.44% 1.41%
2065 1.49% 1.45%
2064 1.49% 1.48%
2063 1.53% 1.52%
2062 1.55% 1.56%
2061 1.58% 1.6%
2060 1.62% 1.64%
2059 1.65% 1.68%
2058 1.66% 1.72%
2057 1.68% 1.75%
2056 1.72% 1.79%
2055 1.76% 1.83%
2054 1.8% 1.87%
2053 1.84% 1.91%
2052 1.87% 1.95%
2051 1.88% 1.98%
2050 1.92% 2.02%
2049 1.97% 2.06%
2048 1.99% 2.1%
2047 2.03% 2.14%
2046 2.06% 2.18%
2045 2.09% 2.22%
2044 2.13% 2.26%
2043 2.16% 2.3%
2042 2.18% 2.35%
2041 2.21% 2.39%
2040 2.24% 2.44%
2039 2.29% 2.5%
2038 2.31% 2.55%
2037 2.36% 2.61%
2036 2.4% 2.67%
2035 2.44% 2.72%
2034 2.48% 2.79%
2033 2.51% 2.84%
2032 2.54% 2.89%
2031 2.58% 2.96%
2030 2.61% 3.01%
2029 2.64% 3.07%
2028 2.67% 3.12%
2027 2.73% 3.18%
2026 2.78% 3.24%
2025 2.86% 3.31%
2024 2.93% 3.34%
2023 3.01% 3.35%
2022 2.97% 3.31%
2021 2.93% 3.31%
2020 2.96% 3.35%
2019 3% 3.42%
2018 3.02% 3.51%
2017 3.03% 3.62%
2016 3.04% 3.74%
2015 3.05% 3.77%
2014 3.06% 3.76%
2013 3.19% 3.83%
2012 3.32% 3.85%
2011 3.3% 3.79%
2010 3.24% 3.8%
2009 3.18% 3.79%
2008 2.92% 3.77%
2007 2.63% 3.75%
2006 2.54% 3.72%
2005 2.45% 3.7%
2004 2.38% 3.66%
2003 2.31% 3.63%
2002 2.24% 3.59%
2001 2.5% 3.57%
2000 2.82% 3.53%
1999 2.71% 3.5%
1998 2.63% 3.44%
1997 2.25% 3.38%
1996 2% 3.4%
1995 2.78% 3.37%
1994 3.46% 3.27%
1993 4.13% 3.21%
1992 3.9% 3.17%
1991 2.96% 3.15%
1990 2.57% 3.13%
1989 2.54% 3.09%
1988 2.93% 3.08%
1987 2.92% 3.07%
1986 2.92% 3.05%
1985 2.93% 3.02%
1984 2.92% 3%
1983 2.92% 3.01%
1982 2.92% 3.02%
1981 2.91% 3.03%
1980 2.88% 3.03%
1979 2.88% 2.99%
1978 2.88% 2.9%
1977 2.92% 2.83%
1976 2.98% 2.78%
1975 2.99% 2.75%
1974 3.02% 2.72%
1973 3.04% 2.71%
1972 3.06% 2.69%
1971 3.08% 2.71%
1970 3.1% 2.75%
1969 3.09% 2.77%
1968 3.08% 2.8%
1967 3.05% 2.83%
1966 2.99% 2.86%
1965 2.93% 2.89%
1964 2.86% 2.93%
1963 2.79% 2.94%
1962 2.72% 2.95%
1961 2.65% 2.94%

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/niger | CC BY

In 2024, the population of Mauritania grew by 2.93%, while Niger's population grew by 3.34%.

Live population counters

Mauritania Niger
Current population
5505206
29080898
Population rank 122/197 53/197
Percent of world population 0.07% 0.35%
One net population change
3.58 minutes
36.1 seconds
One birth every
3.04 minutes
28.8 seconds
One death every
19 minutes
2.27 minutes
Daily growth/decline +403 +2,391
Annual growth/decline +146,954 +872,545
Annual growth/decline rate +2.93% +3.34%
Population growth rate rank 17/197 10/197
One migration net change every
1.74 hours
1.14 hours
Annual migration change -5,044 -7,704
Net migration rank 115/196 126/196
Foreign-born residents 195,937 449,236
Foreign-born residents rank 113/195 85/195
Foreign-born share of population 3.8% 1.7%
Foreign-born share rank 107/195 140/195

Natural population change vs migration

Mauritania
Natural

Migration
Niger
Natural

Migration
1x
Year Population change
Mauritania Niger
Natural Migration Natural Migration
2025 - -5,044 - -7,704
2024 - -2,185 - -4,041
2023 145,164 2,999 864,139 995
2022 142,451 2,999 829,651 995
2021 137,557 -1,483 793,428 -4,405
2020 134,899 -1,483 784,437 -4,402
2019 134,460 -3,019 775,474 -15,778
2018 131,584 -2,987 763,536 -3,830
2017 128,562 -3,001 752,384 -6,830
2016 125,342 -3,008 738,999 14,833
2015 122,092 -3,019 721,630 17,051
2014 118,792 -2,980 704,609 3,891
2013 115,558 -2,987 686,070 -2,543
2012 113,489 4,515 664,009 18,714
2011 111,165 3,272 645,175 -6,941
2010 108,121 1,128 624,685 -8,033
2009 105,273 -1,481 602,671 -9,014
2008 102,432 -3,860 579,727 -9,847
2007 98,895 -17,048 556,808 -10,069
2006 94,991 -18,033 533,374 -10,054
2005 90,940 -18,693 511,167 -9,700
2004 87,578 -19,042 488,328 -9,070
2003 83,804 -19,104 467,295 -8,841
2002 80,993 -18,903 446,767 -9,550
2001 78,769 -21,067 428,417 -8,654
2000 75,929 -2,997 410,779 -8,522
1999 73,554 -2,999 394,212 -12,037
1998 72,045 -8,504 377,120 -7,298
1997 71,327 -8,187 358,745 -13,680
1996 71,939 -28,840 341,223 -8,057
1995 72,244 -22,997 323,630 3,843
1994 70,570 5,304 306,026 -959
1993 68,167 6,217 292,135 -2,269
1992 63,501 34,505 278,690 -2,258
1991 61,782 -2,997 266,527 -1,500
1990 59,934 -3,000 256,594 73
1989 58,666 -17,941 245,278 613
1988 56,654 -2,997 237,296 -1,139
1987 55,037 -2,998 231,371 -2,338
1986 53,313 -2,998 224,365 -2,728
1985 52,125 -2,998 219,206 -6,126
1984 50,705 -2,998 213,111 -9,208
1983 49,187 -2,998 207,962 -9,209
1982 47,947 -2,998 202,012 -8,935
1981 46,641 -2,998 195,938 -7,559
1980 45,026 -2,997 189,251 -5,564
1979 43,537 -2,997 180,632 -3,495
1978 42,539 -2,998 171,614 -3,494
1977 41,352 -2,999 161,792 -3,476
1976 40,149 -1,645 154,489 -3,308
1975 38,975 -1,472 147,962 -3,254
1974 38,106 -1,321 142,606 -3,179
1973 37,122 -1,201 137,695 -2,942
1972 36,184 -1,139 133,813 -2,525
1971 35,279 -1,014 128,223 -2,277
1970 34,382 -855 128,184 -2,225
1969 33,252 -688 125,389 -2,245
1968 32,029 -565 123,301 -2,277
1967 30,853 -514 121,358 -2,289
1966 29,502 -466 119,314 -2,289
1965 28,028 -434 116,963 -2,289
1964 26,565 -390 115,386 -2,289
1963 25,250 -362 113,072 -2,289
1962 23,927 -342 110,280 -2,369
1961 22,781 -332 107,693 -2,893
1960 21,604 -318 105,081 -3,641

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

GeoRank.org/population/mauritania/niger | 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 Niger 100% is from natural causes (a gain of 7,728,287 people) and 0.03% is from migration (a gain of 2,520 people).

As of 2024, 195,937 residents or 3.8% of the population were not native-born in Mauritania, compared to 449,236 people or 1.7% in Niger.

Biggest cities by population

Mauritania
City Population
Nouakchott 1.45M
Rosso 61.2K
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 (1960–2024, 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/niger | 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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