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Population in Kiribati compared to Sierra Leone: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Kiribati was 136,488 in 2025 vs 8,819,794 people in Sierra Leone in 2025. In 2026, based on the adjusted UN estimation, the current Kiribati's population is 139,471 people compared to 9,090,531 in Sierra Leone.

Population statistics:

  • Sierra Leone's population is 65.2 times bigger than Kiribati's.
  • Kiribati is ranked the 180th most populous country in the world, while Sierra Leone is the 100th.
  • The countries together account for 0.11% of the world: 0.002% for Kiribati vs 0.11% for Sierra Leone.
  • For the last 10 years, Kiribati has had an average growth rate of +1.54% per year vs +2.29% in Sierra Leone.
  • Since 2006, the population of Kiribati has increased from 100K people to 139K (39.4% growth), while Sierra Leone has grown from 5.62M to 9.09M (61.6% growth).

Kiribati vs Sierra Leone: population by year and forecast

Kiribati
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Population
Kiribati Sierra Leone
2100 224,260 16,107,087
2099 224,254 16,121,940
2098 224,229 16,135,035
2097 224,174 16,149,905
2096 224,085 16,160,672
2095 223,967 16,169,304
2094 223,780 16,168,902
2093 223,566 16,173,609
2092 223,301 16,170,778
2091 222,947 16,163,901
2090 222,560 16,154,165
2089 222,192 16,142,526
2088 221,771 16,128,775
2087 221,299 16,112,585
2086 220,824 16,085,549
2085 220,313 16,064,212
2084 219,763 16,040,563
2083 219,182 16,006,923
2082 218,584 15,970,872
2081 217,980 15,930,880
2080 217,336 15,892,665
2079 216,656 15,850,728
2078 215,964 15,801,450
2077 215,293 15,750,408
2076 214,551 15,695,310
2075 213,772 15,635,345
2074 212,966 15,580,279
2073 212,150 15,512,655
2072 211,321 15,442,481
2071 210,433 15,370,747
2070 209,514 15,293,426
2069 208,590 15,212,664
2068 207,578 15,124,069
2067 206,500 15,028,190
2066 205,437 14,931,295
2065 204,305 14,833,794
2064 203,169 14,736,872
2063 201,971 14,638,180
2062 200,805 14,525,736
2061 199,579 14,420,068
2060 198,300 14,307,451
2059 196,920 14,194,972
2058 195,512 14,077,124
2057 194,057 13,957,197
2056 192,565 13,832,494
2055 191,068 13,702,508
2054 189,537 13,576,231
2053 188,014 13,440,929
2052 186,393 13,299,910
2051 184,788 13,152,910
2050 183,093 13,006,688
2049 181,341 12,863,637
2048 179,541 12,712,671
2047 177,797 12,566,944
2046 175,976 12,411,042
2045 174,160 12,254,651
2044 172,343 12,088,895
2043 170,465 11,928,393
2042 168,618 11,767,372
2041 166,788 11,599,942
2040 164,991 11,428,331
2039 163,140 11,259,845
2038 161,276 11,097,180
2037 159,395 10,928,754
2036 157,498 10,757,928
2035 155,626 10,582,918
2034 153,791 10,411,088
2033 151,928 10,238,503
2032 150,051 10,059,929
2031 148,135 9,881,109
2030 146,228 9,705,485
2029 144,310 9,529,493
2028 142,397 9,358,412
2027 140,429 9,177,288
2026 138,461 8,998,902
2025 136,488 8,819,794
2024 134,518 8,642,022
2023 132,530 8,460,512
2022 130,469 8,276,807
2021 128,377 8,094,602
2020 126,099 7,912,558
2019 123,921 7,731,991
2018 122,084 7,554,563
2017 120,275 7,379,299
2016 118,478 7,205,328
2015 116,815 7,037,655
2014 115,326 6,876,385
2013 113,838 6,714,051
2012 112,284 6,551,080
2011 110,647 6,387,251
2010 108,704 6,222,714
2009 106,467 6,055,646
2008 104,222 5,894,722
2007 102,068 5,749,352
2006 100,017 5,624,466
2005 98,035 5,501,712
2004 96,085 5,355,717
2003 94,175 5,177,687
2002 92,264 4,971,435
2001 90,335 4,692,716
2000 88,613 4,423,611
1999 87,126 4,318,043
1998 85,657 4,295,785
1997 84,147 4,253,716
1996 82,623 4,199,210
1995 81,234 4,179,179
1994 80,021 4,173,105
1993 78,841 4,157,130
1992 77,641 4,166,366
1991 76,367 4,246,267
1990 74,855 4,196,828
1989 73,147 4,034,037
1988 71,427 3,934,517
1987 69,733 3,829,718
1986 68,059 3,728,380
1985 66,496 3,638,438
1984 65,228 3,558,758
1983 64,169 3,481,646
1982 63,134 3,408,183
1981 62,121 3,338,940
1980 61,148 3,272,089
1979 60,172 3,207,499
1978 59,864 3,145,517
1977 60,267 3,085,354
1976 60,661 3,028,820
1975 60,987 2,974,657
1974 61,219 2,920,459
1973 60,824 2,866,955
1972 59,778 2,814,388
1971 58,652 2,763,222
1970 57,510 2,712,286
1969 56,360 2,661,365
1968 55,529 2,611,532
1967 54,996 2,562,384
1966 54,425 2,514,638
1965 53,439 2,468,666
1964 52,088 2,424,390
1963 50,791 2,382,258
1962 49,538 2,342,242
1961 48,323 2,304,227
1960 47,157 2,268,356

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/sierra-leone | CC BY

From 2006 to 2016, the population of Kiribati increased by 18,461 people (a 18.5% growth), while Sierra Leone gained 1,580,862 people (a 28.1% growth).

For the next 10 years, from 2016 to 2026, Kiribati gained 20,993 people (a 17.7% growth), while Sierra Leone's population increased by 1,885,203 people (a 26.2% growth).

Kiribati was ranked 183rd most populous country in 2006 and is 180th in 2026. Sierra Leone was ranked 105th in 2006 and ranked 100th 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 Sierra Leone will increase by 43.1% to 13,006,688 people and rank change from 100th to 91st.

Kiribati is projected to reach its peak in 2100 at 224K people compared to the peak of 16.2M people in 2093 for Sierra Leone.

Population growth rate by year

Kiribati
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Growth rate
Kiribati Sierra Leone
2100 0.003% -0.09%
2099 0.01% -0.08%
2098 0.02% -0.09%
2097 0.04% -0.07%
2096 0.05% -0.05%
2095 0.08% 0.002%
2094 0.1% -0.03%
2093 0.12% 0.02%
2092 0.16% 0.04%
2091 0.17% 0.06%
2090 0.17% 0.07%
2089 0.19% 0.09%
2088 0.21% 0.1%
2087 0.21% 0.17%
2086 0.23% 0.13%
2085 0.25% 0.15%
2084 0.27% 0.21%
2083 0.27% 0.23%
2082 0.28% 0.25%
2081 0.3% 0.24%
2080 0.31% 0.26%
2079 0.32% 0.31%
2078 0.31% 0.32%
2077 0.35% 0.35%
2076 0.36% 0.38%
2075 0.38% 0.35%
2074 0.38% 0.44%
2073 0.39% 0.45%
2072 0.42% 0.47%
2071 0.44% 0.51%
2070 0.44% 0.53%
2069 0.49% 0.59%
2068 0.52% 0.64%
2067 0.52% 0.65%
2066 0.55% 0.66%
2065 0.56% 0.66%
2064 0.59% 0.67%
2063 0.58% 0.77%
2062 0.61% 0.73%
2061 0.65% 0.79%
2060 0.7% 0.79%
2059 0.72% 0.84%
2058 0.75% 0.86%
2057 0.78% 0.9%
2056 0.78% 0.95%
2055 0.81% 0.93%
2054 0.81% 1.01%
2053 0.87% 1.06%
2052 0.87% 1.12%
2051 0.93% 1.12%
2050 0.97% 1.11%
2049 1% 1.19%
2048 0.98% 1.16%
2047 1.03% 1.26%
2046 1.04% 1.28%
2045 1.05% 1.37%
2044 1.1% 1.35%
2043 1.1% 1.37%
2042 1.1% 1.44%
2041 1.09% 1.5%
2040 1.13% 1.5%
2039 1.16% 1.47%
2038 1.18% 1.54%
2037 1.2% 1.59%
2036 1.2% 1.65%
2035 1.19% 1.65%
2034 1.23% 1.69%
2033 1.25% 1.78%
2032 1.29% 1.81%
2031 1.3% 1.81%
2030 1.33% 1.85%
2029 1.34% 1.83%
2028 1.4% 1.97%
2027 1.42% 1.98%
2026 1.45% 2.03%
2025 1.46% 2.06%
2024 1.5% 2.15%
2023 1.58% 2.22%
2022 1.63% 2.25%
2021 1.81% 2.3%
2020 1.76% 2.34%
2019 1.5% 2.35%
2018 1.5% 2.38%
2017 1.52% 2.41%
2016 1.42% 2.38%
2015 1.29% 2.35%
2014 1.31% 2.42%
2013 1.38% 2.49%
2012 1.48% 2.56%
2011 1.79% 2.64%
2010 2.1% 2.76%
2009 2.15% 2.73%
2008 2.11% 2.53%
2007 2.05% 2.22%
2006 2.02% 2.23%
2005 2.03% 2.73%
2004 2.03% 3.44%
2003 2.07% 4.15%
2002 2.14% 5.94%
2001 1.94% 6.08%
2000 1.71% 2.44%
1999 1.71% 0.52%
1998 1.79% 0.99%
1997 1.84% 1.3%
1996 1.71% 0.48%
1995 1.52% 0.15%
1994 1.5% 0.38%
1993 1.55% -0.22%
1992 1.67% -1.88%
1991 2.02% 1.18%
1990 2.34% 4.04%
1989 2.41% 2.53%
1988 2.43% 2.74%
1987 2.46% 2.72%
1986 2.35% 2.47%
1985 1.94% 2.24%
1984 1.65% 2.21%
1983 1.64% 2.16%
1982 1.63% 2.07%
1981 1.59% 2.04%
1980 1.62% 2.01%
1979 0.51% 1.97%
1978 -0.67% 1.95%
1977 -0.65% 1.87%
1976 -0.53% 1.82%
1975 -0.38% 1.86%
1974 0.65% 1.87%
1973 1.75% 1.87%
1972 1.92% 1.85%
1971 1.99% 1.88%
1970 2.04% 1.91%
1969 1.5% 1.91%
1968 0.97% 1.92%
1967 1.05% 1.9%
1966 1.85% 1.86%
1965 2.59% 1.83%
1964 2.55% 1.77%
1963 2.53% 1.71%
1962 2.51% 1.65%
1961 2.47% 1.58%

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/sierra-leone | CC BY

In 2025, the population of Kiribati grew by 1.46%, while Sierra Leone's population grew by 2.06%.

Live population counters

Kiribati Sierra Leone
Current population
139471
9090531
Population rank 180/197 100/197
Percent of world population 0.002% 0.11%
One net population change
4.46 hours
2.96 minutes
One birth every
2.57 hours
2.02 minutes
One death every
9.23 hours
7.41 minutes
Daily growth/decline +5 +487
Annual growth/decline +1,970 +177,772
Annual growth/decline rate +1.46% +2.06%
Population growth rate rank 72/197 47/197
One migration net change every
19 hours
46.6 minutes
Annual migration change -462 -11,309
Net migration rank 88/196 136/196
Foreign-born residents 3,302 49,997
Foreign-born residents rank 190/195 151/195
Foreign-born share of population 2.5% 0.6%
Foreign-born share rank 128/195 174/195

Natural population change vs migration

Kiribati
Natural

Migration
Sierra Leone
Natural

Migration
1x
Year Population change
Kiribati Sierra Leone
Natural Migration Natural Migration
2025 - -462 - -11,309
2024 2,455 -471 189,234 -11,000
2023 2,487 -485 188,788 -4,000
2022 2,522 -395 186,625 -4,000
2021 2,408 -348 183,326 -1,544
2020 2,497 0 181,015 1,292
2019 2,560 -705 181,068 -2,238
2018 2,561 -741 178,772 -2,741
2017 2,549 -750 173,259 1,234
2016 2,546 -756 168,784 4,657
2015 2,555 -1,022 162,275 -356
2014 2,577 -1,128 160,137 485
2013 2,629 -1,101 161,265 2,773
2012 2,678 -1,093 160,915 988
2011 2,709 -1,019 158,858 6,895
2010 2,644 -456 155,338 7,983
2009 2,573 -289 152,669 18,145
2008 2,493 -289 149,855 1,182
2007 2,393 -290 145,740 -6,042
2006 2,285 -290 144,127 -34,052
2005 2,188 -226 137,234 -1,805
2004 2,118 -181 132,661 23,897
2003 2,045 -157 130,312 69,185
2002 2,074 -137 126,429 86,578
2001 2,121 -201 116,647 227,791
2000 2,153 -629 110,754 83,013
1999 2,186 -733 102,295 -84,926
1998 2,210 -716 103,906 -76,766
1997 2,220 -693 105,433 -48,437
1996 2,217 -701 104,140 -52,110
1995 2,183 -928 100,885 -112,857
1994 2,168 -996 101,486 -77,371
1993 2,161 -975 103,317 -95,476
1992 2,173 -951 103,251 -129,565
1991 2,176 -844 105,477 -238,965
1990 2,127 -441 100,778 131,587
1989 2,073 -338 98,298 -5,079
1988 2,022 -321 96,344 9,470
1987 1,982 -298 94,235 9,558
1986 1,933 -273 90,902 7,992
1985 1,881 -419 88,869 -7,873
1984 1,813 -730 87,072 -8,708
1983 1,748 -702 84,628 -8,783
1982 1,697 -674 82,457 -11,379
1981 1,635 -645 80,111 -12,699
1980 1,571 -610 77,932 -11,641
1979 1,509 -516 75,992 -13,095
1978 1,480 -1,858 74,130 -13,073
1977 1,426 -1,854 71,663 -12,399
1976 1,425 -1,795 69,506 -15,686
1975 1,423 -1,706 67,560 -13,058
1974 1,430 -1,605 65,357 -11,473
1973 1,409 -440 62,443 -9,322
1972 1,406 -290 60,279 -8,267
1971 1,406 -265 58,484 -8,162
1970 1,388 -233 56,513 -4,957
1969 1,367 -222 54,768 -4,485
1968 1,393 -876 53,126 -3,743
1967 1,417 -873 51,734 -2,819
1966 1,437 -840 49,486 -2,911
1965 1,376 0 47,223 -1,851
1964 1,318 0 45,487 -2,308
1963 1,273 0 43,569 -2,480
1962 1,233 0 41,603 -2,658
1961 1,199 0 40,022 -2,947
1960 1,141 0 38,192 -3,528

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

GeoRank.org/population/kiribati/sierra-leone | 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 Sierra Leone 99% is from natural causes (a gain of 1,793,146 people) and 1.03% is from migration (a loss of 18,696 people).

As of 2024, 3,302 residents or 2.5% of the population were not native-born in Kiribati, compared to 49,997 people or 0.6% in Sierra Leone.

Biggest cities by population

Kiribati
City Population
South Tarawa 63.4K
London 1.9K
Sierra Leone
City Population
Freetown 951K
Bo 234K
Kenema 188K

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/sierra-leone | 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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