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

Updated on by Georank

The latest officially reported population of Mauritania was 5,315,065 in 2025 vs 103,742 people in Tonga in 2025. In 2026, based on the adjusted UN estimation, the current Mauritania's population is 5,539,189 people compared to 103,283 in Tonga.

Population statistics:

  • Mauritania's population is 53.6 times bigger than Tonga's.
  • Mauritania is ranked the 123rd most populous country in the world, while Tonga is the 183rd.
  • The countries together account for 0.07% of the world: 0.07% for Mauritania vs 0.001% for Tonga.
  • For the last 10 years, Mauritania has had an average growth rate of +2.98% per year vs -0.25% in Tonga.
  • Since 2006, the population of Mauritania has increased from 3.01M people to 5.54M (83.8% growth), while Tonga has declined from 106K to 103K (2.8% decline).

Mauritania vs Tonga: population by year and forecast

Mauritania
Factual

Projection
Tonga
Factual

Projection
1x
Year Population
Mauritania Tonga
2100 17,302,938 117,617
2099 17,195,692 117,585
2098 17,083,078 117,530
2097 16,968,365 117,492
2096 16,850,394 117,461
2095 16,732,430 117,383
2094 16,610,512 117,290
2093 16,485,880 117,207
2092 16,359,440 117,097
2091 16,229,167 116,983
2090 16,097,149 116,838
2089 15,962,562 116,682
2088 15,824,899 116,481
2087 15,683,760 116,277
2086 15,541,281 116,088
2085 15,397,701 115,872
2084 15,251,533 115,628
2083 15,102,125 115,336
2082 14,952,194 115,041
2081 14,799,309 114,752
2080 14,645,548 114,424
2079 14,490,500 114,074
2078 14,331,284 113,710
2077 14,170,045 113,349
2076 14,007,555 112,945
2075 13,843,393 112,565
2074 13,678,579 112,179
2073 13,512,182 111,790
2072 13,343,946 111,377
2071 13,172,876 110,963
2070 13,002,521 110,576
2069 12,830,090 110,209
2068 12,657,711 109,825
2067 12,482,299 109,446
2066 12,306,495 109,062
2065 12,131,679 108,736
2064 11,954,090 108,377
2063 11,778,351 108,033
2062 11,601,323 107,710
2061 11,424,089 107,396
2060 11,246,850 107,117
2059 11,067,732 106,842
2058 10,887,645 106,589
2057 10,709,500 106,345
2056 10,532,648 106,130
2055 10,354,318 105,915
2054 10,175,517 105,698
2053 9,995,645 105,486
2052 9,815,104 105,286
2051 9,635,288 105,079
2050 9,457,400 104,844
2049 9,279,576 104,636
2048 9,100,595 104,387
2047 8,923,220 104,154
2046 8,745,286 103,852
2045 8,568,910 103,548
2044 8,393,773 103,215
2043 8,218,850 102,934
2042 8,044,865 102,692
2041 7,873,599 102,447
2040 7,703,561 102,228
2039 7,534,623 102,061
2038 7,366,187 101,835
2037 7,199,542 101,707
2036 7,033,866 101,627
2035 6,869,186 101,580
2034 6,705,635 101,571
2033 6,543,505 101,591
2032 6,383,229 101,633
2031 6,225,030 101,764
2030 6,068,395 101,928
2029 5,914,109 102,181
2028 5,761,715 102,494
2027 5,611,635 102,841
2026 5,462,675 103,283
2025 5,315,065 103,742
2024 5,169,395 104,175
2023 5,022,441 104,597
2022 4,875,637 105,042
2021 4,734,874 105,490
2020 4,600,131 105,704
2019 4,467,708 105,669
2018 4,337,685 105,567
2017 4,210,600 105,356
2016 4,086,657 105,524
2015 3,965,959 106,095
2014 3,848,514 106,609
2013 3,734,318 107,078
2012 3,619,034 107,460
2011 3,502,811 107,570
2010 3,390,965 107,400
2009 3,284,448 107,203
2008 3,183,269 107,020
2007 3,093,059 106,726
2006 3,013,660 106,253
2005 2,939,059 105,671
2004 2,868,664 105,071
2003 2,802,046 104,464
2002 2,738,655 103,874
2001 2,678,760 103,288
2000 2,613,441 102,677
1999 2,541,698 102,046
1998 2,474,651 101,388
1997 2,411,306 100,674
1996 2,358,188 100,275
1995 2,312,017 100,225
1994 2,249,454 100,166
1993 2,174,328 100,103
1992 2,088,135 100,022
1991 2,009,738 99,895
1990 1,951,878 99,700
1989 1,903,048 99,403
1988 1,855,859 98,969
1987 1,803,014 98,376
1986 1,751,835 98,010
1985 1,702,107 97,984
1984 1,653,693 97,990
1983 1,606,746 97,998
1982 1,561,176 97,980
1981 1,516,877 97,909
1980 1,474,043 97,769
1979 1,432,758 97,544
1978 1,392,713 97,204
1977 1,353,768 96,725
1976 1,315,336 95,325
1975 1,277,330 93,017
1974 1,240,188 90,683
1973 1,203,838 88,805
1972 1,168,355 87,356
1971 1,133,702 85,896
1970 1,099,806 84,401
1969 1,066,754 82,885
1968 1,034,739 81,353
1967 1,003,843 79,814
1966 974,157 78,002
1965 945,838 75,924
1964 918,955 73,879
1963 893,423 71,885
1962 869,184 69,940
1961 846,167 68,037
1960 824,298 66,170

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/tonga | CC BY

From 2006 to 2016, the population of Mauritania increased by 1,072,997 people (a 35.6% growth), while Tonga lost 729 people (a 0.69% decline).

For the next 10 years, from 2016 to 2026, Mauritania gained 1,452,532 people (a 35.5% growth), while Tonga's population decreased by 2,241 people (a 2.12% decline).

Mauritania was ranked 132nd most populous country in 2006 and is 123rd in 2026. Tonga was ranked 182nd in 2006 and ranked 183rd 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 Tonga will increase by 1.51% to 104,844 people and will still be ranked 183rd.

Mauritania is projected to reach its peak in 2100 at 17.3M people compared to the peak of 118K people in 2100 for Tonga.

Population growth rate by year

Mauritania
Factual

Projection
Tonga
Factual

Projection
1x
Year Growth rate
Mauritania Tonga
2100 0.62% 0.03%
2099 0.66% 0.05%
2098 0.68% 0.03%
2097 0.7% 0.03%
2096 0.7% 0.07%
2095 0.73% 0.08%
2094 0.76% 0.07%
2093 0.77% 0.09%
2092 0.8% 0.1%
2091 0.82% 0.12%
2090 0.84% 0.13%
2089 0.87% 0.17%
2088 0.9% 0.18%
2087 0.92% 0.16%
2086 0.93% 0.19%
2085 0.96% 0.21%
2084 0.99% 0.25%
2083 1% 0.26%
2082 1.03% 0.25%
2081 1.05% 0.29%
2080 1.07% 0.31%
2079 1.11% 0.32%
2078 1.14% 0.32%
2077 1.16% 0.36%
2076 1.19% 0.34%
2075 1.2% 0.34%
2074 1.23% 0.35%
2073 1.26% 0.37%
2072 1.3% 0.37%
2071 1.31% 0.35%
2070 1.34% 0.33%
2069 1.36% 0.35%
2068 1.41% 0.35%
2067 1.43% 0.35%
2066 1.44% 0.3%
2065 1.49% 0.33%
2064 1.49% 0.32%
2063 1.53% 0.3%
2062 1.55% 0.29%
2061 1.58% 0.26%
2060 1.62% 0.26%
2059 1.65% 0.24%
2058 1.66% 0.23%
2057 1.68% 0.2%
2056 1.72% 0.2%
2055 1.76% 0.2%
2054 1.8% 0.2%
2053 1.84% 0.19%
2052 1.87% 0.2%
2051 1.88% 0.22%
2050 1.92% 0.2%
2049 1.97% 0.24%
2048 1.99% 0.22%
2047 2.03% 0.29%
2046 2.06% 0.29%
2045 2.09% 0.32%
2044 2.13% 0.27%
2043 2.16% 0.24%
2042 2.18% 0.24%
2041 2.21% 0.21%
2040 2.24% 0.16%
2039 2.29% 0.22%
2038 2.31% 0.13%
2037 2.36% 0.08%
2036 2.4% 0.05%
2035 2.44% 0.009%
2034 2.48% -0.02%
2033 2.51% -0.04%
2032 2.54% -0.13%
2031 2.58% -0.16%
2030 2.61% -0.25%
2029 2.64% -0.31%
2028 2.67% -0.34%
2027 2.73% -0.43%
2026 2.78% -0.44%
2025 2.82% -0.42%
2024 2.93% -0.4%
2023 3.01% -0.42%
2022 2.97% -0.42%
2021 2.93% -0.2%
2020 2.96% 0.03%
2019 3% 0.1%
2018 3.02% 0.2%
2017 3.03% -0.16%
2016 3.04% -0.54%
2015 3.05% -0.48%
2014 3.06% -0.44%
2013 3.19% -0.36%
2012 3.32% -0.1%
2011 3.3% 0.16%
2010 3.24% 0.18%
2009 3.18% 0.17%
2008 2.92% 0.28%
2007 2.63% 0.45%
2006 2.54% 0.55%
2005 2.45% 0.57%
2004 2.38% 0.58%
2003 2.31% 0.57%
2002 2.24% 0.57%
2001 2.5% 0.6%
2000 2.82% 0.62%
1999 2.71% 0.65%
1998 2.63% 0.71%
1997 2.25% 0.4%
1996 2% 0.05%
1995 2.78% 0.06%
1994 3.46% 0.06%
1993 4.13% 0.08%
1992 3.9% 0.13%
1991 2.96% 0.2%
1990 2.57% 0.3%
1989 2.54% 0.44%
1988 2.93% 0.6%
1987 2.92% 0.37%
1986 2.92% 0.03%
1985 2.93% -0.006%
1984 2.92% -0.008%
1983 2.92% 0.02%
1982 2.92% 0.07%
1981 2.91% 0.14%
1980 2.88% 0.23%
1979 2.88% 0.35%
1978 2.88% 0.5%
1977 2.92% 1.47%
1976 2.98% 2.48%
1975 2.99% 2.57%
1974 3.02% 2.11%
1973 3.04% 1.66%
1972 3.06% 1.7%
1971 3.08% 1.77%
1970 3.1% 1.83%
1969 3.09% 1.88%
1968 3.08% 1.93%
1967 3.05% 2.32%
1966 2.99% 2.74%
1965 2.93% 2.77%
1964 2.86% 2.77%
1963 2.79% 2.78%
1962 2.72% 2.8%
1961 2.65% 2.82%

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/tonga | CC BY

In 2025, the population of Mauritania grew by 2.82%, while Tonga's population declined by 0.42%.

Live population counters

Mauritania Tonga
Current population
5539189
103283
Population rank 123/197 183/197
Percent of world population 0.07% 0.001%
One net population change
3.62 minutes
20.3 hours
One birth every
2.99 minutes
3.65 hours
One death every
18.8 minutes
13.1 hours
Daily growth/decline +399 -1
Annual growth/decline +145,670 -433
Annual growth/decline rate +2.82% -0.42%
Population growth rate rank 18/197 181/197
One migration net change every
1.74 hours
4.09 hours
Annual migration change -5,044 -2,150
Net migration rank 115/196 99/196
Foreign-born residents 195,937 3,581
Foreign-born residents rank 113/195 187/195
Foreign-born share of population 3.8% 3.4%
Foreign-born share rank 107/195 113/195

Natural population change vs migration

Mauritania
Natural

Migration
Tonga
Natural

Migration
1x
Year Population change
Mauritania Tonga
Natural Migration Natural Migration
2025 - -5,044 - -2,150
2024 147,927 -2,185 1,729 -2,149
2023 145,164 2,999 1,744 -2,173
2022 142,451 2,999 1,772 -2,218
2021 137,557 -1,483 1,773 -2,220
2020 134,899 -1,483 1,816 -1,807
2019 134,460 -3,019 1,841 -1,778
2018 131,584 -2,987 1,873 -1,723
2017 128,562 -3,001 1,912 -1,642
2016 125,342 -3,008 1,989 -2,591
2015 122,092 -3,019 2,064 -2,610
2014 118,792 -2,980 2,135 -2,622
2013 115,558 -2,987 2,199 -2,637
2012 113,489 4,515 2,255 -2,578
2011 111,165 3,272 2,298 -2,198
2010 108,121 1,128 2,332 -2,097
2009 105,273 -1,481 2,358 -2,204
2008 102,432 -3,860 2,397 -2,177
2007 98,895 -17,048 2,423 -2,057
2006 94,991 -18,033 2,459 -1,875
2005 90,940 -18,693 2,495 -1,906
2004 87,578 -19,042 2,478 -1,876
2003 83,804 -19,104 2,448 -1,844
2002 80,993 -18,903 2,396 -1,815
2001 78,769 -21,067 2,358 -1,766
2000 75,929 -2,997 2,346 -1,721
1999 73,554 -2,999 2,352 -1,710
1998 72,045 -8,504 2,344 -1,665
1997 71,327 -8,187 2,332 -1,589
1996 71,939 -28,840 2,393 -2,338
1995 72,244 -22,997 2,476 -2,422
1994 70,570 5,304 2,547 -2,484
1993 68,167 6,217 2,594 -2,532
1992 63,501 34,505 2,622 -2,524
1991 61,782 -2,997 2,637 -2,484
1990 59,934 -3,000 2,641 -2,409
1989 58,666 -17,941 2,644 -2,280
1988 56,654 -2,997 2,649 -2,138
1987 55,037 -2,998 2,646 -1,970
1986 53,313 -2,998 2,704 -2,650
1985 52,125 -2,998 2,762 -2,775
1984 50,705 -2,998 2,814 -2,823
1983 49,187 -2,998 2,840 -2,840
1982 47,947 -2,998 2,853 -2,814
1981 46,641 -2,998 2,882 -2,778
1980 45,026 -2,997 2,885 -2,708
1979 43,537 -2,997 2,884 -2,604
1978 42,539 -2,998 2,862 -2,457
1977 41,352 -2,999 2,822 -2,273
1976 40,149 -1,645 2,769 -523
1975 38,975 -1,472 2,709 -346
1974 38,106 -1,321 2,650 -344
1973 37,122 -1,201 2,617 -1,168
1972 36,184 -1,139 2,605 -1,153
1971 35,279 -1,014 2,611 -1,138
1970 34,382 -855 2,628 -1,122
1969 33,252 -688 2,632 -1,101
1968 32,029 -565 2,614 -1,078
1967 30,853 -514 2,603 -1,060
1966 29,502 -466 2,550 -465
1965 28,028 -434 2,498 -426
1964 26,565 -390 2,445 -428
1963 25,250 -362 2,394 -426
1962 23,927 -342 2,343 -420
1961 22,781 -332 2,284 -401
1960 21,604 -318 2,230 -384

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

GeoRank.org/population/mauritania/tonga | 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 Tonga 47% is from natural causes (a gain of 18,513 people) and 53% is from migration (a loss of 20,911 people).

As of 2024, 195,937 residents or 3.8% of the population were not native-born in Mauritania, compared to 3,581 people or 3.4% in Tonga.

Biggest cities by population

Mauritania
City Population
Nouakchott 1.45M
Rosso 61.2K
Tonga
City Population
Nukualofa 23.2K
Mua 5K

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/tonga | 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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