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Population in Kiribati compared to South Sudan: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Kiribati was 136,488 in 2025 vs 12,188,788 people in South Sudan in 2025. In 2026, based on the adjusted UN estimation, the current Kiribati's population is 139,471 people compared to 12,565,048 in South Sudan.

Population statistics:

  • South Sudan's population is 90.1 times bigger than Kiribati's.
  • Kiribati is ranked the 180th most populous country in the world, while South Sudan is the 80th.
  • The countries together account for 0.15% of the world: 0.002% for Kiribati vs 0.15% for South Sudan.
  • For the last 10 years, Kiribati has had an average growth rate of +1.54% per year vs +0.78% in South Sudan.
  • Since 2006, the population of Kiribati has increased from 100K people to 139K (39.4% growth), while South Sudan has grown from 7.98M to 12.6M (57.5% growth).

Kiribati vs South Sudan: population by year and forecast

Kiribati
Factual

Projection
South Sudan
Factual

Projection
1x
Year Population
Kiribati South Sudan
2100 224,260 24,078,379
2099 224,254 24,072,957
2098 224,229 24,054,947
2097 224,174 24,056,753
2096 224,085 24,045,972
2095 223,967 24,037,837
2094 223,780 24,039,267
2093 223,566 24,030,512
2092 223,301 24,010,555
2091 222,947 23,991,816
2090 222,560 23,970,012
2089 222,192 23,929,017
2088 221,771 23,883,712
2087 221,299 23,848,809
2086 220,824 23,794,890
2085 220,313 23,750,772
2084 219,763 23,678,728
2083 219,182 23,609,290
2082 218,584 23,532,790
2081 217,980 23,458,146
2080 217,336 23,383,482
2079 216,656 23,286,011
2078 215,964 23,188,860
2077 215,293 23,078,416
2076 214,551 22,979,198
2075 213,772 22,860,496
2074 212,966 22,718,148
2073 212,150 22,575,682
2072 211,321 22,431,004
2071 210,433 22,280,140
2070 209,514 22,143,813
2069 208,590 21,995,874
2068 207,578 21,822,076
2067 206,500 21,654,546
2066 205,437 21,489,275
2065 204,305 21,309,913
2064 203,169 21,134,522
2063 201,971 20,957,705
2062 200,805 20,777,701
2061 199,579 20,601,672
2060 198,300 20,423,629
2059 196,920 20,227,862
2058 195,512 20,041,880
2057 194,057 19,846,671
2056 192,565 19,652,407
2055 191,068 19,457,411
2054 189,537 19,250,667
2053 188,014 19,053,773
2052 186,393 18,833,795
2051 184,788 18,626,605
2050 183,093 18,427,690
2049 181,341 18,224,430
2048 179,541 18,014,650
2047 177,797 17,799,982
2046 175,976 17,572,953
2045 174,160 17,348,901
2044 172,343 17,115,914
2043 170,465 16,882,303
2042 168,618 16,639,465
2041 166,788 16,390,966
2040 164,991 16,137,104
2039 163,140 15,884,330
2038 161,276 15,622,514
2037 159,395 15,358,539
2036 157,498 15,085,936
2035 155,626 14,810,066
2034 153,791 14,538,365
2033 151,928 14,273,128
2032 150,051 14,002,178
2031 148,135 13,725,779
2030 146,228 13,460,850
2029 144,310 13,201,804
2028 142,397 12,942,501
2027 140,429 12,688,278
2026 138,461 12,434,895
2025 136,488 12,188,788
2024 134,518 11,943,408
2023 132,530 11,483,374
2022 130,469 11,021,177
2021 128,377 10,865,780
2020 126,099 10,698,467
2019 123,921 10,423,384
2018 122,084 10,122,977
2017 120,275 10,259,154
2016 118,478 10,830,102
2015 116,815 11,107,561
2014 115,326 11,235,073
2013 113,838 11,166,275
2012 112,284 10,756,240
2011 110,647 10,288,109
2010 108,704 9,745,953
2009 106,467 9,243,556
2008 104,222 8,817,647
2007 102,068 8,388,788
2006 100,017 7,976,526
2005 98,035 7,590,143
2004 96,085 7,233,041
2003 94,175 6,903,127
2002 92,264 6,596,806
2001 90,335 6,308,391
2000 88,613 6,032,267
1999 87,126 5,771,628
1998 85,657 5,620,068
1997 84,147 5,509,136
1996 82,623 5,356,925
1995 81,234 5,225,836
1994 80,021 5,071,184
1993 78,841 4,956,002
1992 77,641 4,909,749
1991 76,367 4,836,677
1990 74,855 4,737,633
1989 73,147 4,713,229
1988 71,427 4,848,029
1987 69,733 4,962,395
1986 68,059 4,921,240
1985 66,496 4,834,296
1984 65,228 4,750,627
1983 64,169 4,661,574
1982 63,134 4,557,686
1981 62,121 4,447,272
1980 61,148 4,339,030
1979 60,172 4,232,605
1978 59,864 4,127,657
1977 60,267 4,024,032
1976 60,661 3,921,910
1975 60,987 3,821,494
1974 61,219 3,723,259
1973 60,824 3,627,383
1972 59,778 3,542,497
1971 58,652 3,468,646
1970 57,510 3,409,614
1969 56,360 3,365,533
1968 55,529 3,321,528
1967 54,996 3,277,648
1966 54,425 3,236,423
1965 53,439 3,189,835
1964 52,088 3,129,918
1963 50,791 3,072,669
1962 49,538 3,024,308
1961 48,323 2,976,724
1960 47,157 2,931,559

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/south-sudan | CC BY

From 2006 to 2016, the population of Kiribati increased by 18,461 people (a 18.5% growth), while South Sudan gained 2,853,576 people (a 35.8% growth).

For the next 10 years, from 2016 to 2026, Kiribati gained 20,993 people (a 17.7% growth), while South Sudan's population increased by 1,734,946 people (a 16% growth).

Kiribati was ranked 183rd most populous country in 2006 and is 180th in 2026. South Sudan was ranked 92nd in 2006 and ranked 80th 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 South Sudan will increase by 46.7% to 18,427,690 people and rank change from 80th to 78th.

Kiribati is projected to reach its peak in 2100 at 224K people compared to the peak of 24.1M people in 2100 for South Sudan.

Population growth rate by year

Kiribati
Factual

Projection
South Sudan
Factual

Projection
1x
Year Growth rate
Kiribati South Sudan
2100 0.003% 0.02%
2099 0.01% 0.07%
2098 0.02% -0.008%
2097 0.04% 0.04%
2096 0.05% 0.03%
2095 0.08% -0.006%
2094 0.1% 0.04%
2093 0.12% 0.08%
2092 0.16% 0.08%
2091 0.17% 0.09%
2090 0.17% 0.17%
2089 0.19% 0.19%
2088 0.21% 0.15%
2087 0.21% 0.23%
2086 0.23% 0.19%
2085 0.25% 0.3%
2084 0.27% 0.29%
2083 0.27% 0.33%
2082 0.28% 0.32%
2081 0.3% 0.32%
2080 0.31% 0.42%
2079 0.32% 0.42%
2078 0.31% 0.48%
2077 0.35% 0.43%
2076 0.36% 0.52%
2075 0.38% 0.63%
2074 0.38% 0.63%
2073 0.39% 0.64%
2072 0.42% 0.68%
2071 0.44% 0.62%
2070 0.44% 0.67%
2069 0.49% 0.8%
2068 0.52% 0.77%
2067 0.52% 0.77%
2066 0.55% 0.84%
2065 0.56% 0.83%
2064 0.59% 0.84%
2063 0.58% 0.87%
2062 0.61% 0.85%
2061 0.65% 0.87%
2060 0.7% 0.97%
2059 0.72% 0.93%
2058 0.75% 0.98%
2057 0.78% 0.99%
2056 0.78% 1%
2055 0.81% 1.07%
2054 0.81% 1.03%
2053 0.87% 1.17%
2052 0.87% 1.11%
2051 0.93% 1.08%
2050 0.97% 1.12%
2049 1% 1.16%
2048 0.98% 1.21%
2047 1.03% 1.29%
2046 1.04% 1.29%
2045 1.05% 1.36%
2044 1.1% 1.38%
2043 1.1% 1.46%
2042 1.1% 1.52%
2041 1.09% 1.57%
2040 1.13% 1.59%
2039 1.16% 1.68%
2038 1.18% 1.72%
2037 1.2% 1.81%
2036 1.2% 1.86%
2035 1.19% 1.87%
2034 1.23% 1.86%
2033 1.25% 1.94%
2032 1.29% 2.01%
2031 1.3% 1.97%
2030 1.33% 1.96%
2029 1.34% 2%
2028 1.4% 2%
2027 1.42% 2.04%
2026 1.45% 2.02%
2025 1.46% 2.05%
2024 1.5% 4.01%
2023 1.58% 4.19%
2022 1.63% 1.43%
2021 1.81% 1.56%
2020 1.76% 2.64%
2019 1.5% 2.97%
2018 1.5% -1.33%
2017 1.52% -5.27%
2016 1.42% -2.5%
2015 1.29% -1.13%
2014 1.31% 0.62%
2013 1.38% 3.81%
2012 1.48% 4.55%
2011 1.79% 5.56%
2010 2.1% 5.44%
2009 2.15% 4.83%
2008 2.11% 5.11%
2007 2.05% 5.17%
2006 2.02% 5.09%
2005 2.03% 4.94%
2004 2.03% 4.78%
2003 2.07% 4.64%
2002 2.14% 4.57%
2001 1.94% 4.58%
2000 1.71% 4.52%
1999 1.71% 2.7%
1998 1.79% 2.01%
1997 1.84% 2.84%
1996 1.71% 2.51%
1995 1.52% 3.05%
1994 1.5% 2.32%
1993 1.55% 0.94%
1992 1.67% 1.51%
1991 2.02% 2.09%
1990 2.34% 0.52%
1989 2.41% -2.78%
1988 2.43% -2.3%
1987 2.46% 0.84%
1986 2.35% 1.8%
1985 1.94% 1.76%
1984 1.65% 1.91%
1983 1.64% 2.28%
1982 1.63% 2.48%
1981 1.59% 2.49%
1980 1.62% 2.51%
1979 0.51% 2.54%
1978 -0.67% 2.58%
1977 -0.65% 2.6%
1976 -0.53% 2.63%
1975 -0.38% 2.64%
1974 0.65% 2.64%
1973 1.75% 2.4%
1972 1.92% 2.13%
1971 1.99% 1.73%
1970 2.04% 1.31%
1969 1.5% 1.32%
1968 0.97% 1.34%
1967 1.05% 1.27%
1966 1.85% 1.46%
1965 2.59% 1.91%
1964 2.55% 1.86%
1963 2.53% 1.6%
1962 2.51% 1.6%
1961 2.47% 1.54%

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/south-sudan | CC BY

In 2025, the population of Kiribati grew by 1.46%, while South Sudan's population grew by 2.05%.

Live population counters

Kiribati South Sudan
Current population
139471
12565048
Population rank 180/197 80/197
Percent of world population 0.002% 0.15%
One net population change
4.46 hours
2.15 minutes
One birth every
2.57 hours
1.51 minutes
One death every
9.23 hours
4.48 minutes
Daily growth/decline +5 +672
Annual growth/decline +1,970 +245,380
Annual growth/decline rate +1.46% +2.05%
Population growth rate rank 72/197 48/197
One migration net change every
19 hours
1.43 hours
Annual migration change -462 +6,145
Net migration rank 88/196 50/196
Foreign-born residents 3,302 914,001
Foreign-born residents rank 190/195 62/195
Foreign-born share of population 2.5% 7.7%
Foreign-born share rank 128/195 77/195

Natural population change vs migration

Kiribati
Natural

Migration
South Sudan
Natural

Migration
1x
Year Population change
Kiribati South Sudan
Natural Migration Natural Migration
2025 - -462 - 6,145
2024 2,455 -471 231,714 15,374
2023 2,487 -485 217,966 455,000
2022 2,522 -395 211,166 40,259
2021 2,408 -348 213,567 -154,359
2020 2,497 0 212,332 62,935
2019 2,560 -705 209,708 65,198
2018 2,561 -741 168,497 157,408
2017 2,549 -750 72,193 -670,477
2016 2,546 -756 110,553 -654,225
2015 2,555 -1,022 148,542 -159,822
2014 2,577 -1,128 227,611 -471,523
2013 2,629 -1,101 315,983 65,337
2012 2,678 -1,093 312,974 125,771
2011 2,709 -1,019 303,181 194,325
2010 2,644 -456 287,409 299,402
2009 2,573 -289 278,859 139,129
2008 2,493 -289 268,268 165,557
2007 2,393 -290 256,546 167,350
2006 2,285 -290 246,706 153,926
2005 2,188 -226 239,272 132,869
2004 2,118 -181 231,877 110,182
2003 2,045 -157 225,822 91,951
2002 2,074 -137 212,014 82,847
2001 2,121 -201 204,108 77,856
2000 2,153 -629 196,055 74,227
1999 2,186 -733 180,721 70,271
1998 2,210 -716 -12,157 64,285
1997 2,220 -693 121,454 48,280
1996 2,217 -701 116,728 17,953
1995 2,183 -928 110,417 17,077
1994 2,168 -996 165,407 16,407
1993 2,161 -975 32,779 15,772
1992 2,173 -951 28,874 15,077
1991 2,176 -844 87,873 14,327
1990 2,127 -441 82,900 12,988
1989 2,073 -338 83,735 -130,821
1988 2,022 -321 -125,447 -97,065
1987 1,982 -298 5,756 -11,976
1986 1,933 -273 99,502 -10,973
1985 1,881 -419 95,342 -9,986
1984 1,813 -730 90,970 -8,984
1983 1,748 -702 104,107 -7,986
1982 1,697 -674 118,641 -6,983
1981 1,635 -645 115,163 -5,994
1980 1,571 -610 112,307 -4,997
1979 1,509 -516 109,540 -3,997
1978 1,480 -1,858 107,352 -2,998
1977 1,426 -1,854 104,886 -1,997
1976 1,425 -1,795 102,346 -995
1975 1,423 -1,706 99,882 -395
1974 1,430 -1,605 97,181 -192
1973 1,409 -440 94,765 0
1972 1,406 -290 74,803 193
1971 1,406 -265 72,308 394
1970 1,388 -233 44,776 587
1969 1,367 -222 42,015 786
1968 1,393 -876 44,213 995
1967 1,417 -873 41,357 1,194
1966 1,437 -840 38,523 1,386
1965 1,376 0 51,682 1,591
1964 1,318 0 64,786 1,785
1963 1,273 0 46,333 1,591
1962 1,233 0 47,406 1,386
1961 1,199 0 45,186 1,194
1960 1,141 0 42,945 995

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

GeoRank.org/population/kiribati/south-sudan | 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 South Sudan 68.1% is from natural causes (a gain of 1,796,238 people) and 31.9% is from migration (a loss of 842,709 people).

As of 2024, 3,302 residents or 2.5% of the population were not native-born in Kiribati, compared to 914,001 people or 7.7% in South Sudan.

Biggest cities by population

Kiribati
City Population
South Tarawa 63.4K
London 1.9K
South Sudan
City Population
Juba 500K
Wau 321K
Bor 315K
Malakal 147K
Yambio 130K

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/south-sudan | 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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