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

Updated on by Georank

The latest officially reported population of Mauritania was 5,315,065 in 2025 vs 34,576,665 people in Peru in 2025. In 2026, based on the adjusted UN estimation, the current Mauritania's population is 5,539,189 people compared to 35,105,331 in Peru.

Population statistics:

  • Peru's population is 6.34 times bigger than Mauritania's.
  • Mauritania is ranked the 123rd most populous country in the world, while Peru is the 48th.
  • The countries together account for 0.49% of the world: 0.07% for Mauritania vs 0.42% for Peru.
  • For the last 10 years, Mauritania has had an average growth rate of +2.98% per year vs +1.26% in Peru.
  • Since 2006, the population of Mauritania has increased from 3.01M people to 5.54M (83.8% growth), while Peru has grown from 28.3M to 35.1M (23.9% growth).

Mauritania vs Peru: population by year and forecast

Mauritania
Factual

Projection
Peru
Factual

Projection
1x
Year Population
Mauritania Peru
2100 17,302,938 38,442,430
2099 17,195,692 38,609,486
2098 17,083,078 38,774,265
2097 16,968,365 38,937,509
2096 16,850,394 39,098,598
2095 16,732,430 39,257,494
2094 16,610,512 39,413,146
2093 16,485,880 39,567,920
2092 16,359,440 39,718,895
2091 16,229,167 39,867,036
2090 16,097,149 40,012,169
2089 15,962,562 40,153,701
2088 15,824,899 40,292,740
2087 15,683,760 40,428,045
2086 15,541,281 40,558,786
2085 15,397,701 40,685,268
2084 15,251,533 40,807,007
2083 15,102,125 40,923,102
2082 14,952,194 41,034,801
2081 14,799,309 41,140,743
2080 14,645,548 41,241,207
2079 14,490,500 41,334,845
2078 14,331,284 41,422,439
2077 14,170,045 41,503,511
2076 14,007,555 41,578,164
2075 13,843,393 41,645,808
2074 13,678,579 41,706,491
2073 13,512,182 41,759,277
2072 13,343,946 41,804,713
2071 13,172,876 41,842,534
2070 13,002,521 41,873,019
2069 12,830,090 41,895,381
2068 12,657,711 41,909,248
2067 12,482,299 41,914,729
2066 12,306,495 41,912,112
2065 12,131,679 41,901,353
2064 11,954,090 41,882,691
2063 11,778,351 41,855,037
2062 11,601,323 41,819,132
2061 11,424,089 41,774,412
2060 11,246,850 41,721,225
2059 11,067,732 41,659,921
2058 10,887,645 41,590,180
2057 10,709,500 41,511,131
2056 10,532,648 41,423,914
2055 10,354,318 41,327,613
2054 10,175,517 41,223,066
2053 9,995,645 41,109,699
2052 9,815,104 40,988,952
2051 9,635,288 40,860,060
2050 9,457,400 40,722,627
2049 9,279,576 40,577,434
2048 9,100,595 40,424,258
2047 8,923,220 40,261,875
2046 8,745,286 40,090,240
2045 8,568,910 39,910,095
2044 8,393,773 39,720,613
2043 8,218,850 39,523,731
2042 8,044,865 39,318,023
2041 7,873,599 39,103,923
2040 7,703,561 38,882,017
2039 7,534,623 38,652,110
2038 7,366,187 38,414,521
2037 7,199,542 38,168,782
2036 7,033,866 37,914,498
2035 6,869,186 37,652,693
2034 6,705,635 37,382,554
2033 6,543,505 37,105,048
2032 6,383,229 36,820,835
2031 6,225,030 36,529,111
2030 6,068,395 36,228,701
2029 5,914,109 35,919,668
2028 5,761,715 35,600,666
2027 5,611,635 35,271,163
2026 5,462,675 34,930,183
2025 5,315,065 34,576,665
2024 5,169,395 34,217,848
2023 5,022,441 33,845,617
2022 4,875,637 33,475,438
2021 4,734,874 33,155,882
2020 4,600,131 32,838,579
2019 4,467,708 32,449,303
2018 4,337,685 31,897,584
2017 4,210,600 31,324,637
2016 4,086,657 30,866,494
2015 3,965,959 30,457,600
2014 3,848,514 30,115,826
2013 3,734,318 29,817,919
2012 3,619,034 29,550,366
2011 3,502,811 29,304,086
2010 3,390,965 29,086,019
2009 3,284,448 28,896,811
2008 3,183,269 28,719,041
2007 3,093,059 28,530,699
2006 3,013,660 28,324,491
2005 2,939,059 28,101,180
2004 2,868,664 27,852,190
2003 2,802,046 27,580,490
2002 2,738,655 27,288,217
2001 2,678,760 26,964,601
2000 2,613,441 26,598,331
1999 2,541,698 26,186,504
1998 2,474,651 25,738,095
1997 2,411,306 25,274,147
1996 2,358,188 24,811,171
1995 2,312,017 24,348,919
1994 2,249,454 23,881,493
1993 2,174,328 23,413,783
1992 2,088,135 22,946,340
1991 2,009,738 22,483,775
1990 1,951,878 22,014,771
1989 1,903,048 21,532,589
1988 1,855,859 21,054,702
1987 1,803,014 20,582,320
1986 1,751,835 20,117,122
1985 1,702,107 19,648,204
1984 1,653,693 19,174,716
1983 1,606,746 18,705,957
1982 1,561,176 18,246,503
1981 1,516,877 17,798,805
1980 1,474,043 17,360,949
1979 1,432,758 16,933,139
1978 1,392,713 16,516,059
1977 1,353,768 16,109,806
1976 1,315,336 15,716,809
1975 1,277,330 15,333,957
1974 1,240,188 14,956,552
1973 1,203,838 14,582,867
1972 1,168,355 14,210,147
1971 1,133,702 13,838,067
1970 1,099,806 13,501,237
1969 1,066,754 13,166,767
1968 1,034,739 12,803,993
1967 1,003,843 12,448,814
1966 974,157 12,101,297
1965 945,838 11,761,085
1964 918,955 11,427,978
1963 893,423 11,102,099
1962 869,184 10,784,612
1961 846,167 10,475,123
1960 824,298 10,174,127

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/peru | CC BY

From 2006 to 2016, the population of Mauritania increased by 1,072,997 people (a 35.6% growth), while Peru gained 2,542,003 people (a 8.97% growth).

For the next 10 years, from 2016 to 2026, Mauritania gained 1,452,532 people (a 35.5% growth), while Peru's population increased by 4,238,837 people (a 13.7% growth).

Mauritania was ranked 132nd most populous country in 2006 and is 123rd in 2026. Peru was ranked 40th in 2006 and ranked 48th 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 Peru will increase by 16% to 40,722,627 people and rank change from 48th to 51st.

Mauritania is projected to reach its peak in 2100 at 17.3M people compared to the peak of 41.9M people in 2067 for Peru.

Population growth rate by year

Mauritania
Factual

Projection
Peru
Factual

Projection
1x
Year Growth rate
Mauritania Peru
2100 0.62% -0.43%
2099 0.66% -0.42%
2098 0.68% -0.42%
2097 0.7% -0.41%
2096 0.7% -0.4%
2095 0.73% -0.39%
2094 0.76% -0.39%
2093 0.77% -0.38%
2092 0.8% -0.37%
2091 0.82% -0.36%
2090 0.84% -0.35%
2089 0.87% -0.35%
2088 0.9% -0.33%
2087 0.92% -0.32%
2086 0.93% -0.31%
2085 0.96% -0.3%
2084 0.99% -0.28%
2083 1% -0.27%
2082 1.03% -0.26%
2081 1.05% -0.24%
2080 1.07% -0.23%
2079 1.11% -0.21%
2078 1.14% -0.2%
2077 1.16% -0.18%
2076 1.19% -0.16%
2075 1.2% -0.15%
2074 1.23% -0.13%
2073 1.26% -0.11%
2072 1.3% -0.09%
2071 1.31% -0.07%
2070 1.34% -0.05%
2069 1.36% -0.03%
2068 1.41% -0.01%
2067 1.43% 0.006%
2066 1.44% 0.03%
2065 1.49% 0.04%
2064 1.49% 0.07%
2063 1.53% 0.09%
2062 1.55% 0.11%
2061 1.58% 0.13%
2060 1.62% 0.15%
2059 1.65% 0.17%
2058 1.66% 0.19%
2057 1.68% 0.21%
2056 1.72% 0.23%
2055 1.76% 0.25%
2054 1.8% 0.28%
2053 1.84% 0.29%
2052 1.87% 0.32%
2051 1.88% 0.34%
2050 1.92% 0.36%
2049 1.97% 0.38%
2048 1.99% 0.4%
2047 2.03% 0.43%
2046 2.06% 0.45%
2045 2.09% 0.48%
2044 2.13% 0.5%
2043 2.16% 0.52%
2042 2.18% 0.55%
2041 2.21% 0.57%
2040 2.24% 0.59%
2039 2.29% 0.62%
2038 2.31% 0.64%
2037 2.36% 0.67%
2036 2.4% 0.7%
2035 2.44% 0.72%
2034 2.48% 0.75%
2033 2.51% 0.77%
2032 2.54% 0.8%
2031 2.58% 0.83%
2030 2.61% 0.86%
2029 2.64% 0.9%
2028 2.67% 0.93%
2027 2.73% 0.98%
2026 2.78% 1.02%
2025 2.82% 1.05%
2024 2.93% 1.1%
2023 3.01% 1.11%
2022 2.97% 0.96%
2021 2.93% 0.97%
2020 2.96% 1.2%
2019 3% 1.73%
2018 3.02% 1.83%
2017 3.03% 1.48%
2016 3.04% 1.34%
2015 3.05% 1.13%
2014 3.06% 1%
2013 3.19% 0.91%
2012 3.32% 0.84%
2011 3.3% 0.75%
2010 3.24% 0.65%
2009 3.18% 0.62%
2008 2.92% 0.66%
2007 2.63% 0.73%
2006 2.54% 0.79%
2005 2.45% 0.89%
2004 2.38% 0.99%
2003 2.31% 1.07%
2002 2.24% 1.2%
2001 2.5% 1.38%
2000 2.82% 1.57%
1999 2.71% 1.74%
1998 2.63% 1.84%
1997 2.25% 1.87%
1996 2% 1.9%
1995 2.78% 1.96%
1994 3.46% 2%
1993 4.13% 2.04%
1992 3.9% 2.06%
1991 2.96% 2.13%
1990 2.57% 2.24%
1989 2.54% 2.27%
1988 2.93% 2.3%
1987 2.92% 2.31%
1986 2.92% 2.39%
1985 2.93% 2.47%
1984 2.92% 2.51%
1983 2.92% 2.52%
1982 2.92% 2.52%
1981 2.91% 2.52%
1980 2.88% 2.53%
1979 2.88% 2.53%
1978 2.88% 2.52%
1977 2.92% 2.5%
1976 2.98% 2.5%
1975 2.99% 2.52%
1974 3.02% 2.56%
1973 3.04% 2.62%
1972 3.06% 2.69%
1971 3.08% 2.49%
1970 3.1% 2.54%
1969 3.09% 2.83%
1968 3.08% 2.85%
1967 3.05% 2.87%
1966 2.99% 2.89%
1965 2.93% 2.91%
1964 2.86% 2.94%
1963 2.79% 2.94%
1962 2.72% 2.95%
1961 2.65% 2.96%

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/peru | CC BY

In 2025, the population of Mauritania grew by 2.82%, while Peru's population grew by 1.05%.

Live population counters

Mauritania Peru
Current population
5539189
35105331
Population rank 123/197 48/197
Percent of world population 0.07% 0.42%
One net population change
3.62 minutes
1.47 minutes
One birth every
2.99 minutes
58.5 seconds
One death every
18.8 minutes
2.75 minutes
Daily growth/decline +399 +983
Annual growth/decline +145,670 +358,817
Annual growth/decline rate +2.82% +1.05%
Population growth rate rank 18/197 97/197
One migration net change every
1.74 hours
44.2 minutes
Annual migration change -5,044 +11,931
Net migration rank 115/196 41/196
Foreign-born residents 195,937 1,837,219
Foreign-born residents rank 113/195 39/195
Foreign-born share of population 3.8% 5.4%
Foreign-born share rank 107/195 90/195

Natural population change vs migration

Mauritania
Natural

Migration
Peru
Natural

Migration
1x
Year Population change
Mauritania Peru
Natural Migration Natural Migration
2025 - -5,044 - 11,931
2024 147,927 -2,185 347,517 18,406
2023 145,164 2,999 353,788 24,783
2022 142,451 2,999 327,859 33,982
2021 137,557 -1,483 235,440 41,868
2020 134,899 -1,483 301,950 55,375
2019 134,460 -3,019 346,981 74,270
2018 131,584 -2,987 343,123 339,067
2017 128,562 -3,001 349,333 114,382
2016 125,342 -3,008 355,859 96,740
2015 122,092 -3,019 362,781 2,421
2014 118,792 -2,980 368,708 -50,383
2013 115,558 -2,987 372,694 -95,214
2012 113,489 4,515 376,501 -118,863
2011 111,165 3,272 383,268 -148,339
2010 108,121 1,128 382,510 -181,302
2009 105,273 -1,481 396,522 -219,314
2008 102,432 -3,860 413,640 -235,307
2007 98,895 -17,048 435,122 -236,745
2006 94,991 -18,033 445,884 -231,851
2005 90,940 -18,693 454,199 -221,652
2004 87,578 -19,042 459,617 -194,171
2003 83,804 -19,104 459,243 -181,276
2002 80,993 -18,903 463,709 -157,158
2001 78,769 -21,067 470,154 -129,481
2000 75,929 -2,997 484,222 -92,353
1999 73,554 -2,999 487,095 -55,325
1998 72,045 -8,504 489,436 -24,388
1997 71,327 -8,187 495,348 -32,515
1996 71,939 -28,840 501,855 -38,749
1995 72,244 -22,997 507,894 -46,499
1994 70,570 5,304 512,735 -39,299
1993 68,167 6,217 513,769 -51,775
1992 63,501 34,505 514,618 -41,702
1991 61,782 -2,997 513,867 -61,645
1990 59,934 -3,000 515,233 -29,437
1989 58,666 -17,941 512,152 -33,569
1988 56,654 -2,997 508,429 -31,238
1987 55,037 -2,998 502,229 -34,651
1986 53,313 -2,998 496,712 -33,891
1985 52,125 -2,998 488,887 -13,887
1984 50,705 -2,998 477,968 -6,007
1983 49,187 -2,998 469,781 -4,243
1982 47,947 -2,998 461,107 -7,748
1981 46,641 -2,998 453,158 -11,123
1980 45,026 -2,997 445,100 -11,446
1979 43,537 -2,997 439,110 -17,148
1978 42,539 -2,998 432,127 -19,939
1977 41,352 -2,999 425,428 -25,117
1976 40,149 -1,645 420,284 -34,602
1975 38,975 -1,472 414,400 -34,382
1974 38,106 -1,321 408,299 -33,493
1973 37,122 -1,201 400,752 -28,191
1972 36,184 -1,139 396,960 -24,100
1971 35,279 -1,014 391,506 -20,209
1970 34,382 -855 318,022 -15,653
1969 33,252 -688 379,347 -12,776
1968 32,029 -565 372,379 -13,389
1967 30,853 -514 365,224 -13,837
1966 29,502 -466 356,819 -13,166
1965 28,028 -434 349,245 -12,470
1964 26,565 -390 341,570 -12,129
1963 25,250 -362 332,352 -10,040
1962 23,927 -342 321,716 -9,051
1961 22,781 -332 313,385 -7,063
1960 21,604 -318 302,924 -7,236

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

GeoRank.org/population/mauritania/peru | 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 Peru 80.6% is from natural causes (a gain of 3,324,631 people) and 19.4% is from migration (a gain of 801,294 people).

As of 2024, 195,937 residents or 3.8% of the population were not native-born in Mauritania, compared to 1,837,219 people or 5.4% in Peru.

Biggest cities by population

Mauritania
City Population
Nouakchott 1.45M
Rosso 61.2K
Peru
City Population
Lima 9.94M
Arequipa 1.01M
Trujillo 920K
Chiclayo 553K
Callao 537K
Piura 473K
Cusco 428K
Chimbote 395K
Huancayo 378K
Iquitos 378K

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/peru | 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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