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

Updated on by Georank

The latest officially reported population of Mauritania was 5,315,065 in 2025 vs 69,487,000 people in the United Kingdom in 2025. In 2026, based on the adjusted UN estimation, the current Mauritania's population is 5,539,189 people compared to 70,071,289 in the United Kingdom.

Population statistics:

  • The United Kingdom's population is 12.7 times bigger than Mauritania's.
  • Mauritania is ranked the 123rd most populous country in the world, while the United Kingdom is the 22nd.
  • The countries together account for 0.91% of the world: 0.07% for Mauritania vs 0.84% for the United Kingdom.
  • For the last 10 years, Mauritania has had an average growth rate of +2.98% per year vs +0.66% in the United Kingdom.
  • Since 2006, the population of Mauritania has increased from 3.01M people to 5.54M (83.8% growth), while the United Kingdom has grown from 60.8M to 70.1M (15.2% growth).

Mauritania vs United Kingdom: population by year and forecast

Mauritania
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Population
Mauritania United Kingdom
2100 17,302,938 74,517,005
2099 17,195,692 74,647,273
2098 17,083,078 74,766,073
2097 16,968,365 74,879,923
2096 16,850,394 74,991,940
2095 16,732,430 75,102,041
2094 16,610,512 75,198,597
2093 16,485,880 75,296,704
2092 16,359,440 75,390,038
2091 16,229,167 75,480,137
2090 16,097,149 75,566,962
2089 15,962,562 75,649,353
2088 15,824,899 75,721,067
2087 15,683,760 75,791,990
2086 15,541,281 75,859,854
2085 15,397,701 75,918,647
2084 15,251,533 75,969,065
2083 15,102,125 76,018,614
2082 14,952,194 76,059,464
2081 14,799,309 76,086,593
2080 14,645,548 76,118,679
2079 14,490,500 76,147,352
2078 14,331,284 76,165,841
2077 14,170,045 76,183,437
2076 14,007,555 76,185,828
2075 13,843,393 76,198,349
2074 13,678,579 76,209,676
2073 13,512,182 76,218,781
2072 13,343,946 76,211,187
2071 13,172,876 76,200,495
2070 13,002,521 76,190,801
2069 12,830,090 76,184,140
2068 12,657,711 76,183,288
2067 12,482,299 76,175,881
2066 12,306,495 76,168,987
2065 12,131,679 76,168,193
2064 11,954,090 76,165,129
2063 11,778,351 76,165,534
2062 11,601,323 76,158,910
2061 11,424,089 76,156,587
2060 11,246,850 76,157,104
2059 11,067,732 76,157,593
2058 10,887,645 76,139,384
2057 10,709,500 76,119,478
2056 10,532,648 76,086,799
2055 10,354,318 76,047,952
2054 10,175,517 75,980,524
2053 9,995,645 75,907,047
2052 9,815,104 75,815,200
2051 9,635,288 75,709,173
2050 9,457,400 75,591,218
2049 9,279,576 75,460,140
2048 9,100,595 75,313,837
2047 8,923,220 75,153,802
2046 8,745,286 74,986,563
2045 8,568,910 74,808,886
2044 8,393,773 74,623,687
2043 8,218,850 74,424,133
2042 8,044,865 74,224,922
2041 7,873,599 74,020,934
2040 7,703,561 73,812,680
2039 7,534,623 73,600,788
2038 7,366,187 73,378,310
2037 7,199,542 73,155,497
2036 7,033,866 72,921,995
2035 6,869,186 72,671,687
2034 6,705,635 72,418,766
2033 6,543,505 72,145,065
2032 6,383,229 71,869,259
2031 6,225,030 71,581,519
2030 6,068,395 71,267,237
2029 5,914,109 70,948,992
2028 5,761,715 70,609,246
2027 5,611,635 70,248,858
2026 5,462,675 69,883,746
2025 5,315,065 69,487,000
2024 5,169,395 69,281,000
2023 5,022,441 68,526,000
2022 4,875,637 67,636,000
2021 4,734,874 66,978,000
2020 4,600,131 66,740,000
2019 4,467,708 66,628,000
2018 4,337,685 66,287,000
2017 4,210,600 65,964,000
2016 4,086,657 65,606,000
2015 3,965,959 65,087,000
2014 3,848,514 64,619,000
2013 3,734,318 64,138,000
2012 3,619,034 63,711,000
2011 3,502,811 63,258,810
2010 3,390,965 62,766,365
2009 3,284,448 62,276,270
2008 3,183,269 61,806,995
2007 3,093,059 61,322,463
2006 3,013,660 60,846,820
2005 2,939,059 60,401,206
2004 2,868,664 59,987,905
2003 2,802,046 59,647,577
2002 2,738,655 59,370,479
2001 2,678,760 59,119,673
2000 2,613,441 58,892,514
1999 2,541,698 58,682,466
1998 2,474,651 58,487,141
1997 2,411,306 58,316,954
1996 2,358,188 58,166,950
1995 2,312,017 58,019,030
1994 2,249,454 57,865,745
1993 2,174,328 57,718,614
1992 2,088,135 57,580,402
1991 2,009,738 57,424,897
1990 1,951,878 57,247,586
1989 1,903,048 57,076,711
1988 1,855,859 56,928,327
1987 1,803,014 56,802,050
1986 1,751,835 56,681,396
1985 1,702,107 56,550,268
1984 1,653,693 56,422,072
1983 1,606,746 56,332,848
1982 1,561,176 56,313,641
1981 1,516,877 56,333,829
1980 1,474,043 56,314,216
1979 1,432,758 56,246,951
1978 1,392,713 56,196,504
1977 1,353,768 56,193,492
1976 1,315,336 56,211,968
1975 1,277,330 56,225,800
1974 1,240,188 56,229,974
1973 1,203,838 56,194,527
1972 1,168,355 56,086,065
1971 1,133,702 55,896,223
1970 1,099,806 55,663,250
1969 1,066,754 55,441,750
1968 1,034,739 55,211,700
1967 1,003,843 54,943,600
1966 974,157 54,648,500
1965 945,838 54,348,050
1964 918,955 54,000,000
1963 893,423 53,650,000
1962 869,184 53,250,000
1961 846,167 52,800,000
1960 824,298 52,400,000

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/united-kingdom | CC BY

From 2006 to 2016, the population of Mauritania increased by 1,072,997 people (a 35.6% growth), while the United Kingdom gained 4,759,180 people (a 7.82% growth).

For the next 10 years, from 2016 to 2026, Mauritania gained 1,452,532 people (a 35.5% growth), while the United Kingdom's population increased by 4,465,289 people (a 6.81% growth).

Mauritania was ranked 132nd most populous country in 2006 and is 123rd in 2026. The United Kingdom was ranked 21st in 2006 and ranked 22nd 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 Kingdom will increase by 7.88% to 75,591,218 people and rank change from 22nd to 26th.

Mauritania is projected to reach its peak in 2100 at 17.3M people compared to the peak of 76.2M people in 2073 for the United Kingdom.

Population growth rate by year

Mauritania
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Growth rate
Mauritania United Kingdom
2100 0.62% -0.17%
2099 0.66% -0.16%
2098 0.68% -0.15%
2097 0.7% -0.15%
2096 0.7% -0.15%
2095 0.73% -0.13%
2094 0.76% -0.13%
2093 0.77% -0.12%
2092 0.8% -0.12%
2091 0.82% -0.11%
2090 0.84% -0.11%
2089 0.87% -0.09%
2088 0.9% -0.09%
2087 0.92% -0.09%
2086 0.93% -0.08%
2085 0.96% -0.07%
2084 0.99% -0.07%
2083 1% -0.05%
2082 1.03% -0.04%
2081 1.05% -0.04%
2080 1.07% -0.04%
2079 1.11% -0.02%
2078 1.14% -0.02%
2077 1.16% -0.003%
2076 1.19% -0.02%
2075 1.2% -0.01%
2074 1.23% -0.01%
2073 1.26% 0.01%
2072 1.3% 0.01%
2071 1.31% 0.01%
2070 1.34% 0.009%
2069 1.36% 0.001%
2068 1.41% 0.01%
2067 1.43% 0.009%
2066 1.44% 0.001%
2065 1.49% 0.004%
2064 1.49% -0%
2063 1.53% 0.009%
2062 1.55% 0.003%
2061 1.58% -0.001%
2060 1.62% -0.001%
2059 1.65% 0.02%
2058 1.66% 0.03%
2057 1.68% 0.04%
2056 1.72% 0.05%
2055 1.76% 0.09%
2054 1.8% 0.1%
2053 1.84% 0.12%
2052 1.87% 0.14%
2051 1.88% 0.16%
2050 1.92% 0.17%
2049 1.97% 0.19%
2048 1.99% 0.21%
2047 2.03% 0.22%
2046 2.06% 0.24%
2045 2.09% 0.25%
2044 2.13% 0.27%
2043 2.16% 0.27%
2042 2.18% 0.28%
2041 2.21% 0.28%
2040 2.24% 0.29%
2039 2.29% 0.3%
2038 2.31% 0.3%
2037 2.36% 0.32%
2036 2.4% 0.34%
2035 2.44% 0.35%
2034 2.48% 0.38%
2033 2.51% 0.38%
2032 2.54% 0.4%
2031 2.58% 0.44%
2030 2.61% 0.45%
2029 2.64% 0.48%
2028 2.67% 0.51%
2027 2.73% 0.52%
2026 2.78% 0.57%
2025 2.82% 0.3%
2024 2.93% 1.1%
2023 3.01% 1.32%
2022 2.97% 0.98%
2021 2.93% 0.36%
2020 2.96% 0.17%
2019 3% 0.51%
2018 3.02% 0.49%
2017 3.03% 0.55%
2016 3.04% 0.8%
2015 3.05% 0.72%
2014 3.06% 0.75%
2013 3.19% 0.67%
2012 3.32% 0.71%
2011 3.3% 0.78%
2010 3.24% 0.79%
2009 3.18% 0.76%
2008 2.92% 0.79%
2007 2.63% 0.78%
2006 2.54% 0.74%
2005 2.45% 0.69%
2004 2.38% 0.57%
2003 2.31% 0.47%
2002 2.24% 0.42%
2001 2.5% 0.39%
2000 2.82% 0.36%
1999 2.71% 0.33%
1998 2.63% 0.29%
1997 2.25% 0.26%
1996 2% 0.25%
1995 2.78% 0.26%
1994 3.46% 0.25%
1993 4.13% 0.24%
1992 3.9% 0.27%
1991 2.96% 0.31%
1990 2.57% 0.3%
1989 2.54% 0.26%
1988 2.93% 0.22%
1987 2.92% 0.21%
1986 2.92% 0.23%
1985 2.93% 0.23%
1984 2.92% 0.16%
1983 2.92% 0.03%
1982 2.92% -0.04%
1981 2.91% 0.03%
1980 2.88% 0.12%
1979 2.88% 0.09%
1978 2.88% 0.005%
1977 2.92% -0.03%
1976 2.98% -0.02%
1975 2.99% -0.007%
1974 3.02% 0.06%
1973 3.04% 0.19%
1972 3.06% 0.34%
1971 3.08% 0.42%
1970 3.1% 0.4%
1969 3.09% 0.42%
1968 3.08% 0.49%
1967 3.05% 0.54%
1966 2.99% 0.55%
1965 2.93% 0.64%
1964 2.86% 0.65%
1963 2.79% 0.75%
1962 2.72% 0.85%
1961 2.65% 0.76%

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/united-kingdom | CC BY

In 2025, the population of Mauritania grew by 2.82%, while the United Kingdom's population grew by 0.3%.

Live population counters

Mauritania United Kingdom
Current population
5539189
70071289
Population rank 123/197 22/197
Percent of world population 0.07% 0.84%
One net population change
3.62 minutes
2.56 minutes
One birth every
2.99 minutes
46 seconds
One death every
18.8 minutes
46.9 seconds
Daily growth/decline +399 +564
Annual growth/decline +145,670 +206,000
Annual growth/decline rate +2.82% +0.3%
Population growth rate rank 18/197 145/197
One migration net change every
1.74 hours
1.35 minutes
Annual migration change -5,044 +389,911
Net migration rank 115/196 4/196
Foreign-born residents 195,937 11,845,479
Foreign-born residents rank 113/195 4/195
Foreign-born share of population 3.8% 17.1%
Foreign-born share rank 107/195 36/195

Natural population change vs migration

Mauritania
Natural

Migration
United Kingdom
Natural

Migration
1x
Year Population change
Mauritania United Kingdom
Natural Migration Natural Migration
2025 - -5,044 - 389,911
2024 147,927 -2,185 13,233 417,114
2023 145,164 2,999 34,606 445,523
2022 142,451 2,999 39,770 487,029
2021 137,557 -1,483 30,609 462,967
2020 134,899 -1,483 -4,272 144,221
2019 134,460 -3,019 108,338 232,727
2018 131,584 -2,987 119,317 259,744
2017 128,562 -3,001 145,121 272,311
2016 125,342 -3,008 177,136 324,649
2015 122,092 -3,019 175,735 347,839
2014 118,792 -2,980 206,781 306,091
2013 115,558 -2,987 198,827 237,272
2012 113,489 4,515 248,473 172,088
2011 111,165 3,272 259,361 228,773
2010 108,121 1,128 251,066 274,811
2009 105,273 -1,481 230,422 249,639
2008 102,432 -3,860 216,325 263,390
2007 98,895 -17,048 196,232 309,385
2006 94,991 -18,033 176,455 288,923
2005 90,940 -18,693 144,963 308,279
2004 87,578 -19,042 131,974 276,077
2003 83,804 -19,104 89,471 211,846
2002 80,993 -18,903 65,308 203,577
2001 78,769 -21,067 65,032 175,133
2000 75,929 -2,997 70,671 153,917
1999 73,554 -2,999 64,551 152,653
1998 72,045 -8,504 87,730 125,541
1997 71,327 -8,187 99,138 59,723
1996 71,939 -28,840 98,884 54,964
1995 72,244 -22,997 87,028 61,385
1994 70,570 5,304 127,304 45,339
1993 68,167 6,217 103,893 27,403
1992 63,501 34,505 149,709 17,846
1991 61,782 -2,997 143,562 27,601
1990 59,934 -3,000 154,569 57,132
1989 58,666 -17,941 119,861 49,586
1988 56,654 -2,997 136,628 13,952
1987 55,037 -2,998 136,325 8,266
1986 53,313 -2,998 90,690 41,836
1985 52,125 -2,998 79,170 83,164
1984 50,705 -2,998 84,633 71,107
1983 49,187 -2,998 61,966 27,063
1982 47,947 -2,998 56,314 -61,152
1981 46,641 -2,998 73,234 -83,876
1980 45,026 -2,997 95,734 -25,187
1979 43,537 -2,997 61,872 11,255
1978 42,539 -2,998 16,859 3,783
1977 41,352 -2,999 0 -21,636
1976 40,149 -1,645 -5,621 -19,135
1975 38,975 -1,472 33,735 -40,241
1974 38,106 -1,321 67,476 -65,710
1973 37,122 -1,201 112,389 -33,840
1972 36,184 -1,139 162,650 -1,406
1971 35,279 -1,014 257,123 1,175
1970 34,382 -855 244,918 -15,254
1969 33,252 -688 260,577 -60,655
1968 32,029 -565 292,622 -38,852
1967 30,853 -514 346,145 -39,659
1966 29,502 -466 333,356 -27,935
1965 28,028 -434 364,132 -24,955
1964 26,565 -390 405,000 -23,885
1963 25,250 -362 337,995 8,271
1962 23,927 -342 340,800 76,443
1961 22,781 -332 311,519 52,295
1960 21,604 -318 314,400 19,953

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

GeoRank.org/population/mauritania/united-kingdom | 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 Kingdom 19.8% is from natural causes (a gain of 839,593 people) and 80.2% is from migration (a gain of 3,394,124 people).

As of 2024, 195,937 residents or 3.8% of the population were not native-born in Mauritania, compared to 11,845,479 people or 17.1% in the United Kingdom.

Biggest cities by population

Mauritania
City Population
Nouakchott 1.45M
Rosso 61.2K
United Kingdom
City Population
London 8.8M
Birmingham 1.14M
Glasgow 626K
Manchester 548K
Leeds 536K
Sheffield 518K
Liverpool 513K
Edinburgh 488K
Bristol 472K
Cardiff 384K

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-kingdom | 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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