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

Updated on by Georank

The latest officially reported population of Kiribati was 136,488 in 2025 vs 5,315,065 people in Mauritania in 2025. In 2026, based on the adjusted UN estimation, the current Kiribati's population is 139,471 people compared to 5,539,189 in Mauritania.

Population statistics:

  • Mauritania's population is 39.7 times bigger than Kiribati's.
  • Kiribati is ranked the 180th most populous country in the world, while Mauritania is the 123rd.
  • The countries together account for 0.07% of the world: 0.002% for Kiribati vs 0.07% for Mauritania.
  • For the last 10 years, Kiribati has had an average growth rate of +1.54% per year vs +2.98% in Mauritania.
  • Since 2006, the population of Kiribati has increased from 100K people to 139K (39.4% growth), while Mauritania has grown from 3.01M to 5.54M (83.8% growth).

Kiribati vs Mauritania: population by year and forecast

Kiribati
Factual

Projection
Mauritania
Factual

Projection
1x
Year Population
Kiribati Mauritania
2100 224,260 17,302,938
2099 224,254 17,195,692
2098 224,229 17,083,078
2097 224,174 16,968,365
2096 224,085 16,850,394
2095 223,967 16,732,430
2094 223,780 16,610,512
2093 223,566 16,485,880
2092 223,301 16,359,440
2091 222,947 16,229,167
2090 222,560 16,097,149
2089 222,192 15,962,562
2088 221,771 15,824,899
2087 221,299 15,683,760
2086 220,824 15,541,281
2085 220,313 15,397,701
2084 219,763 15,251,533
2083 219,182 15,102,125
2082 218,584 14,952,194
2081 217,980 14,799,309
2080 217,336 14,645,548
2079 216,656 14,490,500
2078 215,964 14,331,284
2077 215,293 14,170,045
2076 214,551 14,007,555
2075 213,772 13,843,393
2074 212,966 13,678,579
2073 212,150 13,512,182
2072 211,321 13,343,946
2071 210,433 13,172,876
2070 209,514 13,002,521
2069 208,590 12,830,090
2068 207,578 12,657,711
2067 206,500 12,482,299
2066 205,437 12,306,495
2065 204,305 12,131,679
2064 203,169 11,954,090
2063 201,971 11,778,351
2062 200,805 11,601,323
2061 199,579 11,424,089
2060 198,300 11,246,850
2059 196,920 11,067,732
2058 195,512 10,887,645
2057 194,057 10,709,500
2056 192,565 10,532,648
2055 191,068 10,354,318
2054 189,537 10,175,517
2053 188,014 9,995,645
2052 186,393 9,815,104
2051 184,788 9,635,288
2050 183,093 9,457,400
2049 181,341 9,279,576
2048 179,541 9,100,595
2047 177,797 8,923,220
2046 175,976 8,745,286
2045 174,160 8,568,910
2044 172,343 8,393,773
2043 170,465 8,218,850
2042 168,618 8,044,865
2041 166,788 7,873,599
2040 164,991 7,703,561
2039 163,140 7,534,623
2038 161,276 7,366,187
2037 159,395 7,199,542
2036 157,498 7,033,866
2035 155,626 6,869,186
2034 153,791 6,705,635
2033 151,928 6,543,505
2032 150,051 6,383,229
2031 148,135 6,225,030
2030 146,228 6,068,395
2029 144,310 5,914,109
2028 142,397 5,761,715
2027 140,429 5,611,635
2026 138,461 5,462,675
2025 136,488 5,315,065
2024 134,518 5,169,395
2023 132,530 5,022,441
2022 130,469 4,875,637
2021 128,377 4,734,874
2020 126,099 4,600,131
2019 123,921 4,467,708
2018 122,084 4,337,685
2017 120,275 4,210,600
2016 118,478 4,086,657
2015 116,815 3,965,959
2014 115,326 3,848,514
2013 113,838 3,734,318
2012 112,284 3,619,034
2011 110,647 3,502,811
2010 108,704 3,390,965
2009 106,467 3,284,448
2008 104,222 3,183,269
2007 102,068 3,093,059
2006 100,017 3,013,660
2005 98,035 2,939,059
2004 96,085 2,868,664
2003 94,175 2,802,046
2002 92,264 2,738,655
2001 90,335 2,678,760
2000 88,613 2,613,441
1999 87,126 2,541,698
1998 85,657 2,474,651
1997 84,147 2,411,306
1996 82,623 2,358,188
1995 81,234 2,312,017
1994 80,021 2,249,454
1993 78,841 2,174,328
1992 77,641 2,088,135
1991 76,367 2,009,738
1990 74,855 1,951,878
1989 73,147 1,903,048
1988 71,427 1,855,859
1987 69,733 1,803,014
1986 68,059 1,751,835
1985 66,496 1,702,107
1984 65,228 1,653,693
1983 64,169 1,606,746
1982 63,134 1,561,176
1981 62,121 1,516,877
1980 61,148 1,474,043
1979 60,172 1,432,758
1978 59,864 1,392,713
1977 60,267 1,353,768
1976 60,661 1,315,336
1975 60,987 1,277,330
1974 61,219 1,240,188
1973 60,824 1,203,838
1972 59,778 1,168,355
1971 58,652 1,133,702
1970 57,510 1,099,806
1969 56,360 1,066,754
1968 55,529 1,034,739
1967 54,996 1,003,843
1966 54,425 974,157
1965 53,439 945,838
1964 52,088 918,955
1963 50,791 893,423
1962 49,538 869,184
1961 48,323 846,167
1960 47,157 824,298

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/kiribati/mauritania | CC BY

From 2006 to 2016, the population of Kiribati increased by 18,461 people (a 18.5% growth), while Mauritania gained 1,072,997 people (a 35.6% growth).

For the next 10 years, from 2016 to 2026, Kiribati gained 20,993 people (a 17.7% growth), while Mauritania's population increased by 1,452,532 people (a 35.5% growth).

Kiribati was ranked 183rd most populous country in 2006 and is 180th in 2026. Mauritania was ranked 132nd in 2006 and ranked 123rd now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Kiribati's population will grow by 31.3% to 183,093 people with a rank change from 180th to 178th. The population of Mauritania will increase by 70.7% to 9,457,400 people and rank change from 123rd to 103rd.

Kiribati is projected to reach its peak in 2100 at 224K people compared to the peak of 17.3M people in 2100 for Mauritania.

Population growth rate by year

Kiribati
Factual

Projection
Mauritania
Factual

Projection
1x
Year Growth rate
Kiribati Mauritania
2100 0.003% 0.62%
2099 0.01% 0.66%
2098 0.02% 0.68%
2097 0.04% 0.7%
2096 0.05% 0.7%
2095 0.08% 0.73%
2094 0.1% 0.76%
2093 0.12% 0.77%
2092 0.16% 0.8%
2091 0.17% 0.82%
2090 0.17% 0.84%
2089 0.19% 0.87%
2088 0.21% 0.9%
2087 0.21% 0.92%
2086 0.23% 0.93%
2085 0.25% 0.96%
2084 0.27% 0.99%
2083 0.27% 1%
2082 0.28% 1.03%
2081 0.3% 1.05%
2080 0.31% 1.07%
2079 0.32% 1.11%
2078 0.31% 1.14%
2077 0.35% 1.16%
2076 0.36% 1.19%
2075 0.38% 1.2%
2074 0.38% 1.23%
2073 0.39% 1.26%
2072 0.42% 1.3%
2071 0.44% 1.31%
2070 0.44% 1.34%
2069 0.49% 1.36%
2068 0.52% 1.41%
2067 0.52% 1.43%
2066 0.55% 1.44%
2065 0.56% 1.49%
2064 0.59% 1.49%
2063 0.58% 1.53%
2062 0.61% 1.55%
2061 0.65% 1.58%
2060 0.7% 1.62%
2059 0.72% 1.65%
2058 0.75% 1.66%
2057 0.78% 1.68%
2056 0.78% 1.72%
2055 0.81% 1.76%
2054 0.81% 1.8%
2053 0.87% 1.84%
2052 0.87% 1.87%
2051 0.93% 1.88%
2050 0.97% 1.92%
2049 1% 1.97%
2048 0.98% 1.99%
2047 1.03% 2.03%
2046 1.04% 2.06%
2045 1.05% 2.09%
2044 1.1% 2.13%
2043 1.1% 2.16%
2042 1.1% 2.18%
2041 1.09% 2.21%
2040 1.13% 2.24%
2039 1.16% 2.29%
2038 1.18% 2.31%
2037 1.2% 2.36%
2036 1.2% 2.4%
2035 1.19% 2.44%
2034 1.23% 2.48%
2033 1.25% 2.51%
2032 1.29% 2.54%
2031 1.3% 2.58%
2030 1.33% 2.61%
2029 1.34% 2.64%
2028 1.4% 2.67%
2027 1.42% 2.73%
2026 1.45% 2.78%
2025 1.46% 2.82%
2024 1.5% 2.93%
2023 1.58% 3.01%
2022 1.63% 2.97%
2021 1.81% 2.93%
2020 1.76% 2.96%
2019 1.5% 3%
2018 1.5% 3.02%
2017 1.52% 3.03%
2016 1.42% 3.04%
2015 1.29% 3.05%
2014 1.31% 3.06%
2013 1.38% 3.19%
2012 1.48% 3.32%
2011 1.79% 3.3%
2010 2.1% 3.24%
2009 2.15% 3.18%
2008 2.11% 2.92%
2007 2.05% 2.63%
2006 2.02% 2.54%
2005 2.03% 2.45%
2004 2.03% 2.38%
2003 2.07% 2.31%
2002 2.14% 2.24%
2001 1.94% 2.5%
2000 1.71% 2.82%
1999 1.71% 2.71%
1998 1.79% 2.63%
1997 1.84% 2.25%
1996 1.71% 2%
1995 1.52% 2.78%
1994 1.5% 3.46%
1993 1.55% 4.13%
1992 1.67% 3.9%
1991 2.02% 2.96%
1990 2.34% 2.57%
1989 2.41% 2.54%
1988 2.43% 2.93%
1987 2.46% 2.92%
1986 2.35% 2.92%
1985 1.94% 2.93%
1984 1.65% 2.92%
1983 1.64% 2.92%
1982 1.63% 2.92%
1981 1.59% 2.91%
1980 1.62% 2.88%
1979 0.51% 2.88%
1978 -0.67% 2.88%
1977 -0.65% 2.92%
1976 -0.53% 2.98%
1975 -0.38% 2.99%
1974 0.65% 3.02%
1973 1.75% 3.04%
1972 1.92% 3.06%
1971 1.99% 3.08%
1970 2.04% 3.1%
1969 1.5% 3.09%
1968 0.97% 3.08%
1967 1.05% 3.05%
1966 1.85% 2.99%
1965 2.59% 2.93%
1964 2.55% 2.86%
1963 2.53% 2.79%
1962 2.51% 2.72%
1961 2.47% 2.65%

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/kiribati/mauritania | CC BY

In 2025, the population of Kiribati grew by 1.46%, while Mauritania's population grew by 2.82%.

Live population counters

Kiribati Mauritania
Current population
139471
5539189
Population rank 180/197 123/197
Percent of world population 0.002% 0.07%
One net population change
4.46 hours
3.62 minutes
One birth every
2.57 hours
2.99 minutes
One death every
9.23 hours
18.8 minutes
Daily growth/decline +5 +399
Annual growth/decline +1,970 +145,670
Annual growth/decline rate +1.46% +2.82%
Population growth rate rank 72/197 18/197
One migration net change every
19 hours
1.74 hours
Annual migration change -462 -5,044
Net migration rank 88/196 115/196
Foreign-born residents 3,302 195,937
Foreign-born residents rank 190/195 113/195
Foreign-born share of population 2.5% 3.8%
Foreign-born share rank 128/195 107/195

Natural population change vs migration

Kiribati
Natural

Migration
Mauritania
Natural

Migration
1x
Year Population change
Kiribati Mauritania
Natural Migration Natural Migration
2025 - -462 - -5,044
2024 2,455 -471 147,927 -2,185
2023 2,487 -485 145,164 2,999
2022 2,522 -395 142,451 2,999
2021 2,408 -348 137,557 -1,483
2020 2,497 0 134,899 -1,483
2019 2,560 -705 134,460 -3,019
2018 2,561 -741 131,584 -2,987
2017 2,549 -750 128,562 -3,001
2016 2,546 -756 125,342 -3,008
2015 2,555 -1,022 122,092 -3,019
2014 2,577 -1,128 118,792 -2,980
2013 2,629 -1,101 115,558 -2,987
2012 2,678 -1,093 113,489 4,515
2011 2,709 -1,019 111,165 3,272
2010 2,644 -456 108,121 1,128
2009 2,573 -289 105,273 -1,481
2008 2,493 -289 102,432 -3,860
2007 2,393 -290 98,895 -17,048
2006 2,285 -290 94,991 -18,033
2005 2,188 -226 90,940 -18,693
2004 2,118 -181 87,578 -19,042
2003 2,045 -157 83,804 -19,104
2002 2,074 -137 80,993 -18,903
2001 2,121 -201 78,769 -21,067
2000 2,153 -629 75,929 -2,997
1999 2,186 -733 73,554 -2,999
1998 2,210 -716 72,045 -8,504
1997 2,220 -693 71,327 -8,187
1996 2,217 -701 71,939 -28,840
1995 2,183 -928 72,244 -22,997
1994 2,168 -996 70,570 5,304
1993 2,161 -975 68,167 6,217
1992 2,173 -951 63,501 34,505
1991 2,176 -844 61,782 -2,997
1990 2,127 -441 59,934 -3,000
1989 2,073 -338 58,666 -17,941
1988 2,022 -321 56,654 -2,997
1987 1,982 -298 55,037 -2,998
1986 1,933 -273 53,313 -2,998
1985 1,881 -419 52,125 -2,998
1984 1,813 -730 50,705 -2,998
1983 1,748 -702 49,187 -2,998
1982 1,697 -674 47,947 -2,998
1981 1,635 -645 46,641 -2,998
1980 1,571 -610 45,026 -2,997
1979 1,509 -516 43,537 -2,997
1978 1,480 -1,858 42,539 -2,998
1977 1,426 -1,854 41,352 -2,999
1976 1,425 -1,795 40,149 -1,645
1975 1,423 -1,706 38,975 -1,472
1974 1,430 -1,605 38,106 -1,321
1973 1,409 -440 37,122 -1,201
1972 1,406 -290 36,184 -1,139
1971 1,406 -265 35,279 -1,014
1970 1,388 -233 34,382 -855
1969 1,367 -222 33,252 -688
1968 1,393 -876 32,029 -565
1967 1,417 -873 30,853 -514
1966 1,437 -840 29,502 -466
1965 1,376 0 28,028 -434
1964 1,318 0 26,565 -390
1963 1,273 0 25,250 -362
1962 1,233 0 23,927 -342
1961 1,199 0 22,781 -332
1960 1,141 0 21,604 -318

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

GeoRank.org/population/kiribati/mauritania | CC BY

Over the last 10 years, 81.6% of the population change in Kiribati is from natural causes (a gain of 25,140 people) and 18.4% is from migration (a loss of 5,673 people). In Mauritania 99% is from natural causes (a gain of 1,350,038 people) and 1.04% is from migration (a loss of 14,187 people).

As of 2024, 3,302 residents or 2.5% of the population were not native-born in Kiribati, compared to 195,937 people or 3.8% in Mauritania.

Biggest cities by population

Kiribati
City Population
South Tarawa 63.4K
London 1.9K
Mauritania
City Population
Nouakchott 1.45M
Rosso 61.2K

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/kiribati/mauritania | 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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