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Population in Mauritania compared to the United States: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Mauritania was 5,315,065 in 2025 vs 341,784,857 people in the United States in 2025. In 2026, based on the adjusted UN estimation, the current Mauritania's population is 5,539,189 people compared to 344,434,632 in the United States.

Population statistics:

  • The United States' population is 62.2 times bigger than Mauritania's.
  • Mauritania is ranked the 123rd most populous country in the world, while the United States is the 3rd.
  • The countries together account for 4.21% of the world: 0.07% for Mauritania vs 4.15% for the United States.
  • For the last 10 years, Mauritania has had an average growth rate of +2.98% per year vs +0.65% in the United States.
  • Since 2006, the population of Mauritania has increased from 3.01M people to 5.54M (83.8% growth), while the United States has grown from 298M to 344M (15.4% growth).

Mauritania vs United States: population by year and forecast

Mauritania
Factual

Projection
United States
Factual

Projection
1x
Year Population
Mauritania United States
2100 17,302,938 415,429,771
2099 17,195,692 414,829,167
2098 17,083,078 414,231,720
2097 16,968,365 413,576,381
2096 16,850,394 412,927,393
2095 16,732,430 412,225,379
2094 16,610,512 411,498,749
2093 16,485,880 410,785,729
2092 16,359,440 410,051,921
2091 16,229,167 409,320,183
2090 16,097,149 408,613,732
2089 15,962,562 407,885,645
2088 15,824,899 407,129,733
2087 15,683,760 406,421,298
2086 15,541,281 405,715,343
2085 15,397,701 405,059,379
2084 15,251,533 404,343,130
2083 15,102,125 403,612,785
2082 14,952,194 402,871,293
2081 14,799,309 402,054,554
2080 14,645,548 401,319,194
2079 14,490,500 400,554,914
2078 14,331,284 399,737,968
2077 14,170,045 398,906,565
2076 14,007,555 398,035,750
2075 13,843,393 397,109,170
2074 13,678,579 396,226,412
2073 13,512,182 395,307,725
2072 13,343,946 394,393,561
2071 13,172,876 393,415,363
2070 13,002,521 392,469,727
2069 12,830,090 391,479,981
2068 12,657,711 390,517,695
2067 12,482,299 389,543,856
2066 12,306,495 388,597,719
2065 12,131,679 387,685,327
2064 11,954,090 386,805,026
2063 11,778,351 385,911,917
2062 11,601,323 385,032,627
2061 11,424,089 384,170,837
2060 11,246,850 383,361,269
2059 11,067,732 382,542,030
2058 10,887,645 381,704,804
2057 10,709,500 380,907,023
2056 10,532,648 380,159,777
2055 10,354,318 379,430,756
2054 10,175,517 378,682,851
2053 9,995,645 377,878,421
2052 9,815,104 377,073,303
2051 9,635,288 376,229,840
2050 9,457,400 375,373,155
2049 9,279,576 374,493,150
2048 9,100,595 373,590,762
2047 8,923,220 372,626,259
2046 8,745,286 371,644,809
2045 8,568,910 370,602,914
2044 8,393,773 369,518,897
2043 8,218,850 368,375,680
2042 8,044,865 367,158,772
2041 7,873,599 365,937,822
2040 7,703,561 364,671,837
2039 7,534,623 363,367,337
2038 7,366,187 361,997,023
2037 7,199,542 360,606,236
2036 7,033,866 359,193,245
2035 6,869,186 357,750,686
2034 6,705,635 356,266,726
2033 6,543,505 354,775,032
2032 6,383,229 353,259,037
2031 6,225,030 351,721,511
2030 6,068,395 350,155,042
2029 5,914,109 348,564,667
2028 5,761,715 346,906,294
2027 5,611,635 345,257,605
2026 5,462,675 343,565,426
2025 5,315,065 341,784,857
2024 5,169,395 340,110,988
2023 5,022,441 334,914,895
2022 4,875,637 333,271,411
2021 4,734,874 331,893,745
2020 4,600,131 331,526,933
2019 4,467,708 328,329,953
2018 4,337,685 326,838,199
2017 4,210,600 325,122,128
2016 4,086,657 323,071,755
2015 3,965,959 320,738,994
2014 3,848,514 318,386,329
2013 3,734,318 316,059,947
2012 3,619,034 313,877,662
2011 3,502,811 311,583,481
2010 3,390,965 309,327,143
2009 3,284,448 306,771,529
2008 3,183,269 304,093,966
2007 3,093,059 301,231,207
2006 3,013,660 298,379,912
2005 2,939,059 295,516,599
2004 2,868,664 292,805,298
2003 2,802,046 290,107,933
2002 2,738,655 287,625,193
2001 2,678,760 284,968,955
2000 2,613,441 282,162,411
1999 2,541,698 279,294,713
1998 2,474,651 276,115,288
1997 2,411,306 272,911,760
1996 2,358,188 269,667,391
1995 2,312,017 266,557,091
1994 2,249,454 263,435,673
1993 2,174,328 260,255,352
1992 2,088,135 256,894,189
1991 2,009,738 253,492,503
1990 1,951,878 250,131,894
1989 1,903,048 246,819,222
1988 1,855,859 244,499,004
1987 1,803,014 242,288,936
1986 1,751,835 240,132,831
1985 1,702,107 237,923,734
1984 1,653,693 235,824,908
1983 1,606,746 233,792,014
1982 1,561,176 231,664,432
1981 1,516,877 229,465,744
1980 1,474,043 226,542,250
1979 1,432,758 225,055,487
1978 1,392,713 222,584,545
1977 1,353,768 220,239,425
1976 1,315,336 218,035,164
1975 1,277,330 215,973,199
1974 1,240,188 213,853,928
1973 1,203,838 211,908,788
1972 1,168,355 209,896,021
1971 1,133,702 207,660,677
1970 1,099,806 205,052,174
1969 1,066,754 202,676,946
1968 1,034,739 200,706,052
1967 1,003,843 198,712,056
1966 974,157 196,560,338
1965 945,838 194,302,963
1964 918,955 191,888,791
1963 893,423 189,241,798
1962 869,184 186,537,737
1961 846,167 183,691,481
1960 824,298 180,671,158

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/mauritania/united-states | CC BY

From 2006 to 2016, the population of Mauritania increased by 1,072,997 people (a 35.6% growth), while the United States gained 24,691,843 people (a 8.28% growth).

For the next 10 years, from 2016 to 2026, Mauritania gained 1,452,532 people (a 35.5% growth), while the United States' population increased by 21,362,877 people (a 6.61% growth).

Mauritania was ranked 132nd most populous country in 2006 and is 123rd in 2026. The United States was ranked 3rd in 2006 and still ranked 3rd 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 the United States will increase by 8.98% to 375,373,155 people and will still be ranked 3rd.

Mauritania is projected to reach its peak in 2100 at 17.3M people compared to the peak of 415M people in 2100 for the United States.

Population growth rate by year

Mauritania
Factual

Projection
United States
Factual

Projection
1x
Year Growth rate
Mauritania United States
2100 0.62% 0.14%
2099 0.66% 0.14%
2098 0.68% 0.16%
2097 0.7% 0.16%
2096 0.7% 0.17%
2095 0.73% 0.18%
2094 0.76% 0.17%
2093 0.77% 0.18%
2092 0.8% 0.18%
2091 0.82% 0.17%
2090 0.84% 0.18%
2089 0.87% 0.19%
2088 0.9% 0.17%
2087 0.92% 0.17%
2086 0.93% 0.16%
2085 0.96% 0.18%
2084 0.99% 0.18%
2083 1% 0.18%
2082 1.03% 0.2%
2081 1.05% 0.18%
2080 1.07% 0.19%
2079 1.11% 0.2%
2078 1.14% 0.21%
2077 1.16% 0.22%
2076 1.19% 0.23%
2075 1.2% 0.22%
2074 1.23% 0.23%
2073 1.26% 0.23%
2072 1.3% 0.25%
2071 1.31% 0.24%
2070 1.34% 0.25%
2069 1.36% 0.25%
2068 1.41% 0.25%
2067 1.43% 0.24%
2066 1.44% 0.24%
2065 1.49% 0.23%
2064 1.49% 0.23%
2063 1.53% 0.23%
2062 1.55% 0.22%
2061 1.58% 0.21%
2060 1.62% 0.21%
2059 1.65% 0.22%
2058 1.66% 0.21%
2057 1.68% 0.2%
2056 1.72% 0.19%
2055 1.76% 0.2%
2054 1.8% 0.21%
2053 1.84% 0.21%
2052 1.87% 0.22%
2051 1.88% 0.23%
2050 1.92% 0.23%
2049 1.97% 0.24%
2048 1.99% 0.26%
2047 2.03% 0.26%
2046 2.06% 0.28%
2045 2.09% 0.29%
2044 2.13% 0.31%
2043 2.16% 0.33%
2042 2.18% 0.33%
2041 2.21% 0.35%
2040 2.24% 0.36%
2039 2.29% 0.38%
2038 2.31% 0.39%
2037 2.36% 0.39%
2036 2.4% 0.4%
2035 2.44% 0.42%
2034 2.48% 0.42%
2033 2.51% 0.43%
2032 2.54% 0.44%
2031 2.58% 0.45%
2030 2.61% 0.46%
2029 2.64% 0.48%
2028 2.67% 0.48%
2027 2.73% 0.49%
2026 2.78% 0.52%
2025 2.82% 0.49%
2024 2.93% 1.55%
2023 3.01% 0.49%
2022 2.97% 0.42%
2021 2.93% 0.11%
2020 2.96% 0.97%
2019 3% 0.46%
2018 3.02% 0.53%
2017 3.03% 0.63%
2016 3.04% 0.73%
2015 3.05% 0.74%
2014 3.06% 0.74%
2013 3.19% 0.7%
2012 3.32% 0.74%
2011 3.3% 0.73%
2010 3.24% 0.83%
2009 3.18% 0.88%
2008 2.92% 0.95%
2007 2.63% 0.96%
2006 2.54% 0.97%
2005 2.45% 0.93%
2004 2.38% 0.93%
2003 2.31% 0.86%
2002 2.24% 0.93%
2001 2.5% 0.99%
2000 2.82% 1.03%
1999 2.71% 1.15%
1998 2.63% 1.17%
1997 2.25% 1.2%
1996 2% 1.17%
1995 2.78% 1.18%
1994 3.46% 1.22%
1993 4.13% 1.31%
1992 3.9% 1.34%
1991 2.96% 1.34%
1990 2.57% 1.34%
1989 2.54% 0.95%
1988 2.93% 0.91%
1987 2.92% 0.9%
1986 2.92% 0.93%
1985 2.93% 0.89%
1984 2.92% 0.87%
1983 2.92% 0.92%
1982 2.92% 0.96%
1981 2.91% 1.29%
1980 2.88% 0.66%
1979 2.88% 1.11%
1978 2.88% 1.06%
1977 2.92% 1.01%
1976 2.98% 0.95%
1975 2.99% 0.99%
1974 3.02% 0.92%
1973 3.04% 0.96%
1972 3.06% 1.08%
1971 3.08% 1.27%
1970 3.1% 1.17%
1969 3.09% 0.98%
1968 3.08% 1%
1967 3.05% 1.09%
1966 2.99% 1.16%
1965 2.93% 1.26%
1964 2.86% 1.4%
1963 2.79% 1.45%
1962 2.72% 1.55%
1961 2.65% 1.67%
1960 - 1.6%

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).

GeoRank.org/population/mauritania/united-states | CC BY

In 2025, the population of Mauritania grew by 2.82%, while the United States' population grew by 0.49%.

Live population counters

Mauritania United States
Current population
5539189
344434632
Population rank 123/197 3/197
Percent of world population 0.07% 4.15%
One net population change
3.62 minutes
18.9 seconds
One birth every
2.99 minutes
8.75 seconds
One death every
18.8 minutes
10.3 seconds
Daily growth/decline +399 +4,586
Annual growth/decline +145,670 +1,673,869
Annual growth/decline rate +2.82% +0.49%
Population growth rate rank 18/197 128/197
One migration net change every
1.74 hours
25.7 seconds
Annual migration change -5,044 +1,230,663
Net migration rank 115/196 2/196
Foreign-born residents 195,937 52,375,047
Foreign-born residents rank 113/195 1/195
Foreign-born share of population 3.8% 15.2%
Foreign-born share rank 107/195 41/195

Natural population change vs migration

Mauritania
Natural

Migration
United States
Natural

Migration
1x
Year Population change
Mauritania United States
Natural Migration Natural Migration
2025 - -5,044 - 1,230,663
2024 147,927 -2,185 544,178 1,286,132
2023 145,164 2,999 502,372 1,322,668
2022 142,451 2,999 399,926 1,319,009
2021 137,557 -1,483 199,137 674,787
2020 134,899 -1,483 208,862 329,769
2019 134,460 -3,019 887,476 1,774,500
2018 131,584 -2,987 955,022 1,764,961
2017 128,562 -3,001 1,028,037 1,864,738
2016 125,342 -3,008 1,197,627 1,889,129
2015 122,092 -3,019 1,270,126 1,722,127
2014 118,792 -2,980 1,357,281 1,672,598
2013 115,558 -2,987 1,322,711 1,663,885
2012 113,489 4,515 1,411,822 1,632,007
2011 111,165 3,272 1,441,697 1,624,033
2010 108,121 1,128 1,548,182 1,594,453
2009 105,273 -1,481 1,717,920 1,387,306
2008 102,432 -3,860 1,794,154 1,416,841
2007 98,895 -17,048 1,897,757 1,371,353
2006 94,991 -18,033 1,849,955 1,347,750
2005 90,940 -18,693 1,684,445 1,369,224
2004 87,578 -19,042 1,698,271 1,313,467
2003 83,804 -19,104 1,653,615 1,331,376
2002 80,993 -18,903 1,581,938 1,336,518
2001 78,769 -21,067 1,595,826 1,312,455
2000 75,929 -2,997 1,664,758 1,248,392
1999 73,554 -2,999 1,564,050 1,156,311
1998 72,045 -8,504 1,573,857 1,225,134
1997 71,327 -8,187 1,501,014 1,116,922
1996 71,939 -28,840 1,510,137 1,141,648
1995 72,244 -22,997 1,546,031 1,173,016
1994 70,570 5,304 1,633,302 1,179,309
1993 68,167 6,217 1,717,685 1,228,478
1992 63,501 34,505 1,875,328 1,304,880
1991 61,782 -2,997 1,926,543 1,202,426
1990 59,934 -3,000 2,026,068 1,084,720
1989 58,666 -17,941 1,875,826 400,998
1988 56,654 -2,997 1,735,943 460,778
1987 55,037 -2,998 1,720,252 480,815
1986 53,313 -2,998 1,656,917 493,082
1985 52,125 -2,998 1,689,258 598,777
1984 50,705 -2,998 1,627,192 622,793
1983 49,187 -2,998 1,636,544 662,840
1982 47,947 -2,998 1,714,317 600,149
1981 46,641 -2,998 1,652,153 583,070
1980 45,026 -2,997 1,608,450 595,916
1979 43,537 -2,997 1,597,894 503,559
1978 42,539 -2,998 1,402,283 556,521
1977 41,352 -2,999 1,431,556 577,060
1976 40,149 -1,645 1,264,604 635,590
1975 38,975 -1,472 1,252,644 655,078
1974 38,106 -1,321 1,218,968 706,978
1973 37,122 -1,201 1,165,499 783,163
1972 36,184 -1,139 1,301,355 833,543
1971 35,279 -1,014 1,640,519 833,549
1970 34,382 -855 1,824,965 744,902
1969 33,252 -688 1,702,487 523,740
1968 32,029 -565 1,565,507 594,514
1967 30,853 -514 1,669,181 585,410
1966 29,502 -466 1,749,387 637,692
1965 28,028 -434 1,943,030 644,902
1964 26,565 -390 2,245,099 618,635
1963 25,250 -362 2,289,826 639,495
1962 23,927 -342 2,406,337 625,617
1961 22,781 -332 2,571,681 580,333
1960 21,604 -318 2,565,530 422,708

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); U.S. Census Bureau (1960–2024, retrieved 2026-07-08).

GeoRank.org/population/mauritania/united-states | 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 the United States 34% is from natural causes (a gain of 7,192,763 people) and 66% is from migration (a gain of 13,947,820 people).

As of 2024, 195,937 residents or 3.8% of the population were not native-born in Mauritania, compared to 52,375,047 people or 15.2% in the United States.

Biggest cities by population

Mauritania
City Population
Nouakchott 1.45M
Rosso 61.2K
United States
City Population
New York 8.8M
Los Angeles 3.9M
Chicago 2.75M
Houston 2.3M
Phoenix 1.61M
Philadelphia 1.6M
San Antonio 1.43M
San Diego 1.39M
Dallas 1.3M
San Jose 1.01M

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/united-states | 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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