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

Updated on by Georank

The latest officially reported population of Kiribati was 136,488 in 2025 vs 237,527,782 people in Nigeria in 2025. In 2026, based on the adjusted UN estimation, the current Kiribati's population is 139,471 people compared to 245,016,045 in Nigeria.

Population statistics:

  • Nigeria's population is 1,757 times bigger than Kiribati's.
  • Kiribati is ranked the 180th most populous country in the world, while Nigeria is the 6th.
  • The countries together account for 2.95% of the world: 0.002% for Kiribati vs 2.95% for Nigeria.
  • For the last 10 years, Kiribati has had an average growth rate of +1.54% per year vs +2.25% in Nigeria.
  • Since 2006, the population of Kiribati has increased from 100K people to 139K (39.4% growth), while Nigeria has grown from 149M to 245M (64.4% growth).

Kiribati vs Nigeria: population by year and forecast

Kiribati
Factual

Projection
Nigeria
Factual

Projection
1x
Year Population
Kiribati Nigeria
2100 224,260 481,640,156
2099 224,254 481,456,918
2098 224,229 481,181,892
2097 224,174 480,838,161
2096 224,085 480,422,467
2095 223,967 479,938,579
2094 223,780 479,395,022
2093 223,566 478,769,369
2092 223,301 478,059,864
2091 222,947 477,236,907
2090 222,560 476,329,495
2089 222,192 475,326,347
2088 221,771 474,231,442
2087 221,299 473,035,563
2086 220,824 471,732,001
2085 220,313 470,328,175
2084 219,763 468,806,172
2083 219,182 467,187,453
2082 218,584 465,472,417
2081 217,980 463,643,190
2080 217,336 461,705,493
2079 216,656 459,644,523
2078 215,964 457,477,264
2077 215,293 455,218,871
2076 214,551 452,849,991
2075 213,772 450,367,356
2074 212,966 447,789,885
2073 212,150 445,117,028
2072 211,321 442,340,440
2071 210,433 439,464,323
2070 209,514 436,505,329
2069 208,590 433,437,998
2068 207,578 430,286,232
2067 206,500 427,032,499
2066 205,437 423,702,640
2065 204,305 420,285,359
2064 203,169 416,778,394
2063 201,971 413,198,800
2062 200,805 409,551,159
2061 199,579 405,827,482
2060 198,300 402,041,765
2059 196,920 398,197,311
2058 195,512 394,284,767
2057 194,057 390,311,065
2056 192,565 386,267,580
2055 191,068 382,162,992
2054 189,537 378,000,511
2053 188,014 373,769,779
2052 186,393 369,472,476
2051 184,788 365,120,741
2050 183,093 360,706,317
2049 181,341 356,243,287
2048 179,541 351,724,743
2047 177,797 347,142,279
2046 175,976 342,505,549
2045 174,160 337,807,869
2044 172,343 333,050,132
2043 170,465 328,230,652
2042 168,618 323,363,366
2041 166,788 318,443,989
2040 164,991 313,468,061
2039 163,140 308,450,008
2038 161,276 303,399,842
2037 159,395 298,327,800
2036 157,498 293,227,654
2035 155,626 288,115,630
2034 153,791 282,995,818
2033 151,928 277,875,880
2032 150,051 272,747,599
2031 148,135 267,645,657
2030 146,228 262,562,767
2029 144,310 257,484,616
2028 142,397 252,445,821
2027 140,429 247,437,680
2026 138,461 242,458,365
2025 136,488 237,527,782
2024 134,518 232,679,478
2023 132,530 227,882,945
2022 130,469 223,150,896
2021 128,377 218,529,286
2020 126,099 213,996,181
2019 123,921 209,485,641
2018 122,084 204,938,755
2017 120,275 200,254,579
2016 118,478 195,443,700
2015 116,815 190,671,878
2014 115,326 185,896,915
2013 113,838 181,049,443
2012 112,284 176,200,625
2011 110,647 171,379,598
2010 108,704 166,642,886
2009 106,467 162,049,464
2008 104,222 157,595,014
2007 102,068 153,267,261
2006 100,017 149,077,334
2005 98,035 145,017,253
2004 96,085 141,057,045
2003 94,175 137,202,644
2002 92,264 133,471,989
2001 90,335 129,862,595
2000 88,613 126,382,494
1999 87,126 123,047,320
1998 85,657 119,846,254
1997 84,147 116,754,792
1996 82,623 113,754,779
1995 81,234 110,819,428
1994 80,021 107,935,714
1993 78,841 105,122,069
1992 77,641 102,372,770
1991 76,367 99,720,162
1990 74,855 97,120,925
1989 73,147 94,531,014
1988 71,427 92,020,090
1987 69,733 89,591,716
1986 68,059 87,235,953
1985 66,496 84,897,973
1984 65,228 82,526,443
1983 64,169 80,438,260
1982 63,134 78,378,701
1981 62,121 76,068,103
1980 61,148 73,764,641
1979 60,172 71,498,242
1978 59,864 69,326,532
1977 60,267 67,234,590
1976 60,661 65,258,009
1975 60,987 63,410,815
1974 61,219 61,679,144
1973 60,824 60,082,139
1972 59,778 58,601,748
1971 58,652 57,214,684
1970 57,510 55,893,838
1969 56,360 54,631,914
1968 55,529 53,432,783
1967 54,996 52,293,065
1966 54,425 51,188,234
1965 53,439 50,086,764
1964 52,088 49,012,016
1963 50,791 47,973,575
1962 49,538 46,965,292
1961 48,323 45,989,310
1960 47,157 45,053,782

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/nigeria | CC BY

From 2006 to 2016, the population of Kiribati increased by 18,461 people (a 18.5% growth), while Nigeria gained 46,366,366 people (a 31.1% growth).

For the next 10 years, from 2016 to 2026, Kiribati gained 20,993 people (a 17.7% growth), while Nigeria's population increased by 49,572,345 people (a 25.4% growth).

Kiribati was ranked 183rd most populous country in 2006 and is 180th in 2026. Nigeria was ranked 7th in 2006 and ranked 6th 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 Nigeria will increase by 47.2% to 360,706,317 people and rank change from 6th to 5th.

Kiribati is projected to reach its peak in 2100 at 224K people compared to the peak of 482M people in 2100 for Nigeria.

Population growth rate by year

Kiribati
Factual

Projection
Nigeria
Factual

Projection
1x
Year Growth rate
Kiribati Nigeria
2100 0.003% 0.04%
2099 0.01% 0.06%
2098 0.02% 0.07%
2097 0.04% 0.09%
2096 0.05% 0.1%
2095 0.08% 0.11%
2094 0.1% 0.13%
2093 0.12% 0.15%
2092 0.16% 0.17%
2091 0.17% 0.19%
2090 0.17% 0.21%
2089 0.19% 0.23%
2088 0.21% 0.25%
2087 0.21% 0.28%
2086 0.23% 0.3%
2085 0.25% 0.32%
2084 0.27% 0.35%
2083 0.27% 0.37%
2082 0.28% 0.39%
2081 0.3% 0.42%
2080 0.31% 0.45%
2079 0.32% 0.47%
2078 0.31% 0.5%
2077 0.35% 0.52%
2076 0.36% 0.55%
2075 0.38% 0.58%
2074 0.38% 0.6%
2073 0.39% 0.63%
2072 0.42% 0.65%
2071 0.44% 0.68%
2070 0.44% 0.71%
2069 0.49% 0.73%
2068 0.52% 0.76%
2067 0.52% 0.79%
2066 0.55% 0.81%
2065 0.56% 0.84%
2064 0.59% 0.87%
2063 0.58% 0.89%
2062 0.61% 0.92%
2061 0.65% 0.94%
2060 0.7% 0.97%
2059 0.72% 0.99%
2058 0.75% 1.02%
2057 0.78% 1.05%
2056 0.78% 1.07%
2055 0.81% 1.1%
2054 0.81% 1.13%
2053 0.87% 1.16%
2052 0.87% 1.19%
2051 0.93% 1.22%
2050 0.97% 1.25%
2049 1% 1.28%
2048 0.98% 1.32%
2047 1.03% 1.35%
2046 1.04% 1.39%
2045 1.05% 1.43%
2044 1.1% 1.47%
2043 1.1% 1.51%
2042 1.1% 1.54%
2041 1.09% 1.59%
2040 1.13% 1.63%
2039 1.16% 1.66%
2038 1.18% 1.7%
2037 1.2% 1.74%
2036 1.2% 1.77%
2035 1.19% 1.81%
2034 1.23% 1.84%
2033 1.25% 1.88%
2032 1.29% 1.91%
2031 1.3% 1.94%
2030 1.33% 1.97%
2029 1.34% 2%
2028 1.4% 2.02%
2027 1.42% 2.05%
2026 1.45% 2.08%
2025 1.46% 2.08%
2024 1.5% 2.1%
2023 1.58% 2.12%
2022 1.63% 2.11%
2021 1.81% 2.12%
2020 1.76% 2.15%
2019 1.5% 2.22%
2018 1.5% 2.34%
2017 1.52% 2.46%
2016 1.42% 2.5%
2015 1.29% 2.57%
2014 1.31% 2.68%
2013 1.38% 2.75%
2012 1.48% 2.81%
2011 1.79% 2.84%
2010 2.1% 2.83%
2009 2.15% 2.83%
2008 2.11% 2.82%
2007 2.05% 2.81%
2006 2.02% 2.8%
2005 2.03% 2.81%
2004 2.03% 2.81%
2003 2.07% 2.8%
2002 2.14% 2.78%
2001 1.94% 2.75%
2000 1.71% 2.71%
1999 1.71% 2.67%
1998 1.79% 2.65%
1997 1.84% 2.64%
1996 1.71% 2.65%
1995 1.52% 2.67%
1994 1.5% 2.68%
1993 1.55% 2.69%
1992 1.67% 2.66%
1991 2.02% 2.68%
1990 2.34% 2.74%
1989 2.41% 2.73%
1988 2.43% 2.71%
1987 2.46% 2.7%
1986 2.35% 2.75%
1985 1.94% 2.87%
1984 1.65% 2.6%
1983 1.64% 2.63%
1982 1.63% 3.04%
1981 1.59% 3.12%
1980 1.62% 3.17%
1979 0.51% 3.13%
1978 -0.67% 3.11%
1977 -0.65% 3.03%
1976 -0.53% 2.91%
1975 -0.38% 2.81%
1974 0.65% 2.66%
1973 1.75% 2.53%
1972 1.92% 2.42%
1971 1.99% 2.36%
1970 2.04% 2.31%
1969 1.5% 2.24%
1968 0.97% 2.18%
1967 1.05% 2.16%
1966 1.85% 2.2%
1965 2.59% 2.19%
1964 2.55% 2.16%
1963 2.53% 2.15%
1962 2.51% 2.12%
1961 2.47% 2.08%

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/nigeria | CC BY

In 2025, the population of Kiribati grew by 1.46%, while Nigeria's population grew by 2.08%.

Live population counters

Kiribati Nigeria
Current population
139471
245016045
Population rank 180/197 6/197
Percent of world population 0.002% 2.95%
One net population change
4.46 hours
6.52 seconds
One birth every
2.57 hours
4.17 seconds
One death every
9.23 hours
11.6 seconds
Daily growth/decline +5 +13,283
Annual growth/decline +1,970 +4,848,304
Annual growth/decline rate +1.46% +2.08%
Population growth rate rank 72/197 45/197
One migration net change every
19 hours
34.5 minutes
Annual migration change -462 -15,258
Net migration rank 88/196 145/196
Foreign-born residents 3,302 1,403,281
Foreign-born residents rank 190/195 49/195
Foreign-born share of population 2.5% 0.6%
Foreign-born share rank 128/195 173/195

Natural population change vs migration

Kiribati
Natural

Migration
Nigeria
Natural

Migration
1x
Year Population change
Kiribati Nigeria
Natural Migration Natural Migration
2025 - -462 - -15,258
2024 2,455 -471 4,851,833 -35,202
2023 2,487 -485 4,834,309 -57,936
2022 2,522 -395 4,739,502 -51,680
2021 2,408 -348 4,641,562 -86,115
2020 2,497 0 4,525,164 -14,497
2019 2,560 -705 4,609,941 -99,722
2018 2,561 -741 4,659,898 -76,565
2017 2,549 -750 4,706,183 78,685
2016 2,546 -756 4,761,594 75,265
2015 2,555 -1,022 4,823,045 -116,162
2014 2,577 -1,128 4,862,319 -19,376
2013 2,629 -1,101 4,811,751 40,201
2012 2,678 -1,093 4,774,508 71,138
2011 2,709 -1,019 4,728,363 67,808
2010 2,644 -456 4,629,173 47,966
2009 2,573 -289 4,528,149 -18,422
2008 2,493 -289 4,412,976 -13,646
2007 2,393 -290 4,265,428 -9,162
2006 2,285 -290 4,135,703 -12,093
2005 2,188 -226 4,013,788 -17,146
2004 2,118 -181 3,877,376 46,370
2003 2,045 -157 3,751,120 33,857
2002 2,074 -137 3,606,814 69,594
2001 2,121 -201 3,478,370 64,163
2000 2,153 -629 3,343,196 74,535
1999 2,186 -733 3,155,425 97,195
1998 2,210 -716 3,003,946 145,575
1997 2,220 -693 2,936,500 96,885
1996 2,217 -701 2,882,205 84,448
1995 2,183 -928 2,830,771 73,243
1994 2,168 -996 2,735,198 128,134
1993 2,161 -975 2,673,675 90,200
1992 2,173 -951 2,596,173 138,412
1991 2,176 -844 2,527,807 42,760
1990 2,127 -441 2,491,928 135,959
1989 2,073 -338 2,452,324 99,588
1988 2,022 -321 2,376,419 93,510
1987 1,982 -298 2,322,397 64,418
1986 1,933 -273 2,295,003 29,682
1985 1,881 -419 2,289,784 61,514
1984 1,813 -730 2,278,060 113,758
1983 1,748 -702 2,292,089 -507,539
1982 1,697 -674 2,233,401 101,116
1981 1,635 -645 2,179,884 106,723
1980 1,571 -610 2,121,618 198,672
1979 1,509 -516 2,074,807 137,721
1978 1,480 -1,858 2,019,621 111,258
1977 1,426 -1,854 1,923,917 129,075
1976 1,425 -1,795 1,827,289 72,889
1975 1,423 -1,706 1,718,623 75,603
1974 1,430 -1,605 1,624,813 44,281
1973 1,409 -440 1,525,485 -618
1972 1,406 -290 1,448,928 -12,962
1971 1,406 -265 1,373,896 -35,639
1970 1,388 -233 1,295,507 7,953
1969 1,367 -222 1,213,484 6,912
1968 1,393 -876 1,168,254 9,615
1967 1,417 -873 1,082,884 18,683
1966 1,437 -840 1,095,582 12,513
1965 1,376 0 1,061,840 32,988
1964 1,318 0 1,028,272 26,411
1963 1,273 0 995,116 27,115
1962 1,233 0 966,452 27,906
1961 1,199 0 932,111 25,515
1960 1,141 0 901,301 12,131

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

GeoRank.org/population/kiribati/nigeria | 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 Nigeria 99.2% is from natural causes (a gain of 47,153,031 people) and 0.81% is from migration (a loss of 383,929 people).

As of 2024, 3,302 residents or 2.5% of the population were not native-born in Kiribati, compared to 1,403,281 people or 0.6% in Nigeria.

Biggest cities by population

Kiribati
City Population
South Tarawa 63.4K
London 1.9K
Nigeria
City Population
Lagos 15.1M
Kano 4.35M
Port Harcourt 3.32M
Ibadan 2.56M
Benin 1.78M
Abuja 1.69M
Onitsha 1.48M
Aba 1.16M
Enugu 1.03M
Owerri 908K

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/nigeria | 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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