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

Updated on by Georank team

The latest officially reported population of Kiribati was 134,518 in 2024 vs 104,175 people in Tonga in 2024. In 2026, based on the adjusted UN estimation, the current Kiribati's population is 139,020 people compared to 103,309 in Tonga.

Population statistics:

  • Kiribati's population is 1.35 times bigger than Tonga's.
  • Kiribati is ranked the 180th most populous country in the world, while Tonga is the 183rd.
  • The countries together account for 0.003% of the world: 0.002% for Kiribati vs 0.001% for Tonga.
  • For the last 10 years, Kiribati has had an average growth rate of +1.53% per year vs -0.25% in Tonga.
  • Since 2006, the population of Kiribati has increased from 100K people to 139K (39% growth), while Tonga has declined from 106K to 103K (2.77% decline).

Kiribati vs Tonga: population by year and forecast

Kiribati
Factual

Projection
Tonga
Factual

Projection
1x
Year Population
Kiribati Tonga
2100 224,304 117,647
2099 224,298 117,615
2098 224,273 117,560
2097 224,218 117,522
2096 224,129 117,491
2095 224,011 117,414
2094 223,823 117,321
2093 223,610 117,237
2092 223,345 117,127
2091 222,990 117,013
2090 222,603 116,869
2089 222,236 116,712
2088 221,815 116,511
2087 221,342 116,307
2086 220,868 116,118
2085 220,356 115,902
2084 219,806 115,658
2083 219,225 115,366
2082 218,627 115,071
2081 218,023 114,782
2080 217,379 114,453
2079 216,698 114,103
2078 216,006 113,740
2077 215,335 113,378
2076 214,593 112,974
2075 213,814 112,594
2074 213,008 112,208
2073 212,192 111,819
2072 211,363 111,405
2071 210,474 110,992
2070 209,555 110,605
2069 208,630 110,238
2068 207,619 109,853
2067 206,540 109,474
2066 205,477 109,090
2065 204,345 108,765
2064 203,209 108,405
2063 202,011 108,061
2062 200,844 107,738
2061 199,618 107,424
2060 198,339 107,145
2059 196,959 106,869
2058 195,550 106,617
2057 194,095 106,372
2056 192,602 106,158
2055 191,105 105,942
2054 189,574 105,725
2053 188,051 105,513
2052 186,430 105,313
2051 184,824 105,106
2050 183,129 104,871
2049 181,377 104,663
2048 179,576 104,414
2047 177,832 104,180
2046 176,010 103,879
2045 174,194 103,575
2044 172,376 103,241
2043 170,499 102,961
2042 168,651 102,718
2041 166,820 102,474
2040 165,023 102,254
2039 163,172 102,088
2038 161,308 101,861
2037 159,426 101,733
2036 157,529 101,653
2035 155,656 101,607
2034 153,821 101,598
2033 151,958 101,618
2032 150,080 101,659
2031 148,164 101,790
2030 146,257 101,954
2029 144,338 102,207
2028 142,425 102,521
2027 140,456 102,868
2026 138,488 103,309
2025 136,514 103,768
2024 134,518 104,175
2023 132,530 104,597
2022 130,469 105,042
2021 128,377 105,490
2020 126,099 105,704
2019 123,921 105,669
2018 122,084 105,567
2017 120,275 105,356
2016 118,478 105,524
2015 116,815 106,095
2014 115,326 106,609
2013 113,838 107,078
2012 112,284 107,460
2011 110,647 107,570
2010 108,704 107,400
2009 106,467 107,203
2008 104,222 107,020
2007 102,068 106,726
2006 100,017 106,253
2005 98,035 105,671
2004 96,085 105,071
2003 94,175 104,464
2002 92,264 103,874
2001 90,335 103,288
2000 88,613 102,677
1999 87,126 102,046
1998 85,657 101,388
1997 84,147 100,674
1996 82,623 100,275
1995 81,234 100,225
1994 80,021 100,166
1993 78,841 100,103
1992 77,641 100,022
1991 76,367 99,895
1990 74,855 99,700
1989 73,147 99,403
1988 71,427 98,969
1987 69,733 98,376
1986 68,059 98,010
1985 66,496 97,984
1984 65,228 97,990
1983 64,169 97,998
1982 63,134 97,980
1981 62,121 97,909
1980 61,148 97,769
1979 60,172 97,544
1978 59,864 97,204
1977 60,267 96,725
1976 60,661 95,325
1975 60,987 93,017
1974 61,219 90,683
1973 60,824 88,805
1972 59,778 87,356
1971 58,652 85,896
1970 57,510 84,401
1969 56,360 82,885
1968 55,529 81,353
1967 54,996 79,814
1966 54,425 78,002
1965 53,439 75,924
1964 52,088 73,879
1963 50,791 71,885
1962 49,538 69,940
1961 48,323 68,037
1960 47,157 66,170

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1960–2024, retrieved 2026-04-06).

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

From 2006 to 2016, the population of Kiribati increased by 18,461 people (a 18.5% growth), while Tonga lost 729 people (a 0.69% decline).

For the next 10 years, from 2016 to 2026, Kiribati gained 20,542 people (a 17.3% growth), while Tonga's population decreased by 2,215 people (a 2.1% decline).

Kiribati was ranked 183rd most populous country in 2006 and is 180th 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) Kiribati's population will grow by 31.7% to 183,129 people with a rank change from 180th to 178th. The population of Tonga will increase by 1.51% to 104,871 people and will still be ranked 183rd.

Kiribati is projected to reach its peak in 2100 at 224K people compared to the peak of 118K people in 2100 for Tonga.

Population growth rate by year

Kiribati
Factual

Projection
Tonga
Factual

Projection
1x
Year Growth rate
Kiribati Tonga
2100 0.003% 0.03%
2099 0.01% 0.05%
2098 0.02% 0.03%
2097 0.04% 0.03%
2096 0.05% 0.07%
2095 0.08% 0.08%
2094 0.1% 0.07%
2093 0.12% 0.09%
2092 0.16% 0.1%
2091 0.17% 0.12%
2090 0.17% 0.13%
2089 0.19% 0.17%
2088 0.21% 0.18%
2087 0.21% 0.16%
2086 0.23% 0.19%
2085 0.25% 0.21%
2084 0.27% 0.25%
2083 0.27% 0.26%
2082 0.28% 0.25%
2081 0.3% 0.29%
2080 0.31% 0.31%
2079 0.32% 0.32%
2078 0.31% 0.32%
2077 0.35% 0.36%
2076 0.36% 0.34%
2075 0.38% 0.34%
2074 0.38% 0.35%
2073 0.39% 0.37%
2072 0.42% 0.37%
2071 0.44% 0.35%
2070 0.44% 0.33%
2069 0.49% 0.35%
2068 0.52% 0.35%
2067 0.52% 0.35%
2066 0.55% 0.3%
2065 0.56% 0.33%
2064 0.59% 0.32%
2063 0.58% 0.3%
2062 0.61% 0.29%
2061 0.65% 0.26%
2060 0.7% 0.26%
2059 0.72% 0.24%
2058 0.75% 0.23%
2057 0.78% 0.2%
2056 0.78% 0.2%
2055 0.81% 0.2%
2054 0.81% 0.2%
2053 0.87% 0.19%
2052 0.87% 0.2%
2051 0.93% 0.22%
2050 0.97% 0.2%
2049 1% 0.24%
2048 0.98% 0.22%
2047 1.03% 0.29%
2046 1.04% 0.29%
2045 1.05% 0.32%
2044 1.1% 0.27%
2043 1.1% 0.24%
2042 1.1% 0.24%
2041 1.09% 0.21%
2040 1.13% 0.16%
2039 1.16% 0.22%
2038 1.18% 0.13%
2037 1.2% 0.08%
2036 1.2% 0.05%
2035 1.19% 0.009%
2034 1.23% -0.02%
2033 1.25% -0.04%
2032 1.29% -0.13%
2031 1.3% -0.16%
2030 1.33% -0.25%
2029 1.34% -0.31%
2028 1.4% -0.34%
2027 1.42% -0.43%
2026 1.45% -0.44%
2025 1.48% -0.39%
2024 1.5% -0.4%
2023 1.58% -0.42%
2022 1.63% -0.42%
2021 1.81% -0.2%
2020 1.76% 0.03%
2019 1.5% 0.1%
2018 1.5% 0.2%
2017 1.52% -0.16%
2016 1.42% -0.54%
2015 1.29% -0.48%
2014 1.31% -0.44%
2013 1.38% -0.36%
2012 1.48% -0.1%
2011 1.79% 0.16%
2010 2.1% 0.18%
2009 2.15% 0.17%
2008 2.11% 0.28%
2007 2.05% 0.45%
2006 2.02% 0.55%
2005 2.03% 0.57%
2004 2.03% 0.58%
2003 2.07% 0.57%
2002 2.14% 0.57%
2001 1.94% 0.6%
2000 1.71% 0.62%
1999 1.71% 0.65%
1998 1.79% 0.71%
1997 1.84% 0.4%
1996 1.71% 0.05%
1995 1.52% 0.06%
1994 1.5% 0.06%
1993 1.55% 0.08%
1992 1.67% 0.13%
1991 2.02% 0.2%
1990 2.34% 0.3%
1989 2.41% 0.44%
1988 2.43% 0.6%
1987 2.46% 0.37%
1986 2.35% 0.03%
1985 1.94% -0.006%
1984 1.65% -0.008%
1983 1.64% 0.02%
1982 1.63% 0.07%
1981 1.59% 0.14%
1980 1.62% 0.23%
1979 0.51% 0.35%
1978 -0.67% 0.5%
1977 -0.65% 1.47%
1976 -0.53% 2.48%
1975 -0.38% 2.57%
1974 0.65% 2.11%
1973 1.75% 1.66%
1972 1.92% 1.7%
1971 1.99% 1.77%
1970 2.04% 1.83%
1969 1.5% 1.88%
1968 0.97% 1.93%
1967 1.05% 2.32%
1966 1.85% 2.74%
1965 2.59% 2.77%
1964 2.55% 2.77%
1963 2.53% 2.78%
1962 2.51% 2.8%
1961 2.47% 2.82%

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1961–2024, retrieved 2026-04-06).

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

In 2024, the population of Kiribati grew by 1.5%, while Tonga's population declined by 0.4%.

Live population counters

Kiribati Tonga
Current population
139020
103309
Population rank 180/197 183/197
Percent of world population 0.002% 0.001%
One net population change
4.41 hours
20.8 hours
One birth every
2.56 hours
3.62 hours
One death every
9.39 hours
13 hours
Daily growth/decline +5 -1
Annual growth/decline +1,988 -422
Annual growth/decline rate +1.5% -0.4%
Population growth rate rank 72/197 183/197
One migration net change every
19 hours
4.09 hours
Annual migration change -462 -2,150
Net migration rank 88/196 99/196
Foreign-born residents 3,302 3,581
Foreign-born residents rank 190/195 187/195
Foreign-born share of population 2.5% 3.4%
Foreign-born share rank 128/195 113/195

Natural population change vs migration

Kiribati
Natural

Migration
Tonga
Natural

Migration
1x
Year Population change
Kiribati Tonga
Natural Migration Natural Migration
2025 - -462 - -2,150
2024 - -471 - -2,149
2023 2,487 -485 1,744 -2,173
2022 2,522 -395 1,772 -2,218
2021 2,408 -348 1,773 -2,220
2020 2,497 0 1,816 -1,807
2019 2,560 -705 1,841 -1,778
2018 2,561 -741 1,873 -1,723
2017 2,549 -750 1,912 -1,642
2016 2,546 -756 1,989 -2,591
2015 2,555 -1,022 2,064 -2,610
2014 2,577 -1,128 2,135 -2,622
2013 2,629 -1,101 2,199 -2,637
2012 2,678 -1,093 2,255 -2,578
2011 2,709 -1,019 2,298 -2,198
2010 2,644 -456 2,332 -2,097
2009 2,573 -289 2,358 -2,204
2008 2,493 -289 2,397 -2,177
2007 2,393 -290 2,423 -2,057
2006 2,285 -290 2,459 -1,875
2005 2,188 -226 2,495 -1,906
2004 2,118 -181 2,478 -1,876
2003 2,045 -157 2,448 -1,844
2002 2,074 -137 2,396 -1,815
2001 2,121 -201 2,358 -1,766
2000 2,153 -629 2,346 -1,721
1999 2,186 -733 2,352 -1,710
1998 2,210 -716 2,344 -1,665
1997 2,220 -693 2,332 -1,589
1996 2,217 -701 2,393 -2,338
1995 2,183 -928 2,476 -2,422
1994 2,168 -996 2,547 -2,484
1993 2,161 -975 2,594 -2,532
1992 2,173 -951 2,622 -2,524
1991 2,176 -844 2,637 -2,484
1990 2,127 -441 2,641 -2,409
1989 2,073 -338 2,644 -2,280
1988 2,022 -321 2,649 -2,138
1987 1,982 -298 2,646 -1,970
1986 1,933 -273 2,704 -2,650
1985 1,881 -419 2,762 -2,775
1984 1,813 -730 2,814 -2,823
1983 1,748 -702 2,840 -2,840
1982 1,697 -674 2,853 -2,814
1981 1,635 -645 2,882 -2,778
1980 1,571 -610 2,885 -2,708
1979 1,509 -516 2,884 -2,604
1978 1,480 -1,858 2,862 -2,457
1977 1,426 -1,854 2,822 -2,273
1976 1,425 -1,795 2,769 -523
1975 1,423 -1,706 2,709 -346
1974 1,430 -1,605 2,650 -344
1973 1,409 -440 2,617 -1,168
1972 1,406 -290 2,605 -1,153
1971 1,406 -265 2,611 -1,138
1970 1,388 -233 2,628 -1,122
1969 1,367 -222 2,632 -1,101
1968 1,393 -876 2,614 -1,078
1967 1,417 -873 2,603 -1,060
1966 1,437 -840 2,550 -465
1965 1,376 0 2,498 -426
1964 1,318 0 2,445 -428
1963 1,273 0 2,394 -426
1962 1,233 0 2,343 -420
1961 1,199 0 2,284 -401
1960 1,141 0 2,230 -384

Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).

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

Over the last 10 years, 80% of the population change in Kiribati is from natural causes (a gain of 25,262 people) and 20% is from migration (a loss of 6,330 people). In Tonga 46.9% is from natural causes (a gain of 18,919 people) and 53.1% is from migration (a loss of 21,384 people).

As of 2024, 3,302 residents or 2.5% of the population were not native-born in Kiribati, compared to 3,581 people or 3.4% in Tonga.

Biggest cities by population

Kiribati
City Population
South Tarawa 63.4K
London 1.9K
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 (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).

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

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
  5. Wikidata (2026, retrieved 2026-02-08)

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