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

Updated on by Georank team

The latest officially reported population of Kiribati was 134,518 in 2024 vs 3,524,788 people in Mongolia in 2024. In 2026, based on the adjusted UN estimation, the current Kiribati's population is 139,020 people compared to 3,620,317 in Mongolia.

Population statistics:

  • Mongolia's population is 26 times bigger than Kiribati's.
  • Kiribati is ranked the 180th most populous country in the world, while Mongolia is the 132nd.
  • The countries together account for 0.05% of the world: 0.002% for Kiribati vs 0.04% for Mongolia.
  • For the last 10 years, Kiribati has had an average growth rate of +1.53% per year vs +1.79% in Mongolia.
  • Since 2006, the population of Kiribati has increased from 100K people to 139K (39% growth), while Mongolia has grown from 2.57M to 3.62M (41% growth).

Kiribati vs Mongolia: population by year and forecast

Kiribati
Factual

Projection
Mongolia
Factual

Projection
1x
Year Population
Kiribati Mongolia
2100 224,304 5,629,299
2099 224,298 5,623,066
2098 224,273 5,615,212
2097 224,218 5,606,511
2096 224,129 5,597,140
2095 224,011 5,585,917
2094 223,823 5,574,522
2093 223,610 5,562,381
2092 223,345 5,549,290
2091 222,990 5,535,819
2090 222,603 5,521,210
2089 222,236 5,505,877
2088 221,815 5,490,024
2087 221,342 5,474,226
2086 220,868 5,458,465
2085 220,356 5,441,196
2084 219,806 5,423,740
2083 219,225 5,405,563
2082 218,627 5,387,443
2081 218,023 5,368,417
2080 217,379 5,348,645
2079 216,698 5,328,073
2078 216,006 5,306,120
2077 215,335 5,285,225
2076 214,593 5,263,067
2075 213,814 5,240,553
2074 213,008 5,217,755
2073 212,192 5,194,484
2072 211,363 5,171,399
2071 210,474 5,147,939
2070 209,555 5,123,730
2069 208,630 5,100,078
2068 207,619 5,075,923
2067 206,540 5,051,712
2066 205,477 5,026,451
2065 204,345 5,001,559
2064 203,209 4,977,095
2063 202,011 4,952,721
2062 200,844 4,928,284
2061 199,618 4,903,616
2060 198,339 4,877,808
2059 196,959 4,851,900
2058 195,550 4,825,704
2057 194,095 4,798,069
2056 192,602 4,770,106
2055 191,105 4,741,145
2054 189,574 4,710,703
2053 188,051 4,678,720
2052 186,430 4,645,641
2051 184,824 4,611,080
2050 183,129 4,575,698
2049 181,377 4,538,221
2048 179,576 4,499,652
2047 177,832 4,459,534
2046 176,010 4,418,220
2045 174,194 4,375,263
2044 172,376 4,332,061
2043 170,499 4,288,836
2042 168,651 4,244,827
2041 166,820 4,200,917
2040 165,023 4,157,409
2039 163,172 4,114,122
2038 161,308 4,071,754
2037 159,426 4,029,761
2036 157,529 3,988,994
2035 155,656 3,949,374
2034 153,821 3,910,459
2033 151,958 3,872,505
2032 150,080 3,835,471
2031 148,164 3,799,194
2030 146,257 3,762,550
2029 144,338 3,725,673
2028 142,425 3,687,959
2027 140,456 3,649,213
2026 138,488 3,609,604
2025 136,514 3,568,196
2024 134,518 3,524,788
2023 132,530 3,481,145
2022 130,469 3,433,748
2021 128,377 3,383,741
2020 126,099 3,327,204
2019 123,921 3,267,673
2018 122,084 3,208,189
2017 120,275 3,148,917
2016 118,478 3,088,856
2015 116,815 3,026,864
2014 115,326 2,963,113
2013 113,838 2,899,011
2012 112,284 2,839,705
2011 110,647 2,786,317
2010 108,704 2,738,622
2009 106,467 2,691,115
2008 104,222 2,643,201
2007 102,068 2,601,850
2006 100,017 2,567,168
2005 98,035 2,536,407
2004 96,085 2,508,412
2003 94,175 2,480,374
2002 92,264 2,449,027
2001 90,335 2,417,751
2000 88,613 2,388,299
1999 87,126 2,356,813
1998 85,657 2,323,809
1997 84,147 2,291,750
1996 82,623 2,259,507
1995 81,234 2,224,945
1994 80,021 2,189,395
1993 78,841 2,165,130
1992 77,641 2,167,790
1991 76,367 2,165,342
1990 74,855 2,098,710
1989 73,147 2,124,185
1988 71,427 2,076,322
1987 69,733 2,022,800
1986 68,059 1,970,965
1985 66,496 1,921,514
1984 65,228 1,874,349
1983 64,169 1,829,092
1982 63,134 1,785,364
1981 62,121 1,742,857
1980 61,148 1,701,335
1979 60,172 1,660,659
1978 59,864 1,619,468
1977 60,267 1,576,245
1976 60,661 1,531,945
1975 60,987 1,488,296
1974 61,219 1,446,050
1973 60,824 1,405,502
1972 59,778 1,366,821
1971 58,652 1,330,071
1970 57,510 1,295,272
1969 56,360 1,262,284
1968 55,529 1,229,930
1967 54,996 1,196,996
1966 54,425 1,163,754
1965 53,439 1,131,177
1964 52,088 1,100,234
1963 50,791 1,071,362
1962 49,538 1,041,444
1961 48,323 1,009,284
1960 47,157 977,595

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/mongolia | CC BY

From 2006 to 2016, the population of Kiribati increased by 18,461 people (a 18.5% growth), while Mongolia gained 521,688 people (a 20.3% growth).

For the next 10 years, from 2016 to 2026, Kiribati gained 20,542 people (a 17.3% growth), while Mongolia's population increased by 531,461 people (a 17.2% growth).

Kiribati was ranked 183rd most populous country in 2006 and is 180th in 2026. Mongolia was ranked 137th in 2006 and ranked 132nd 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 Mongolia will increase by 26.4% to 4,575,698 people and rank change from 132nd to 130th.

Kiribati is projected to reach its peak in 2100 at 224K people compared to the peak of 5.63M people in 2100 for Mongolia.

Population growth rate by year

Kiribati
Factual

Projection
Mongolia
Factual

Projection
1x
Year Growth rate
Kiribati Mongolia
2100 0.003% 0.11%
2099 0.01% 0.14%
2098 0.02% 0.16%
2097 0.04% 0.17%
2096 0.05% 0.2%
2095 0.08% 0.2%
2094 0.1% 0.22%
2093 0.12% 0.24%
2092 0.16% 0.24%
2091 0.17% 0.26%
2090 0.17% 0.28%
2089 0.19% 0.29%
2088 0.21% 0.29%
2087 0.21% 0.29%
2086 0.23% 0.32%
2085 0.25% 0.32%
2084 0.27% 0.34%
2083 0.27% 0.34%
2082 0.28% 0.35%
2081 0.3% 0.37%
2080 0.31% 0.39%
2079 0.32% 0.41%
2078 0.31% 0.4%
2077 0.35% 0.42%
2076 0.36% 0.43%
2075 0.38% 0.44%
2074 0.38% 0.45%
2073 0.39% 0.45%
2072 0.42% 0.46%
2071 0.44% 0.47%
2070 0.44% 0.46%
2069 0.49% 0.48%
2068 0.52% 0.48%
2067 0.52% 0.5%
2066 0.55% 0.5%
2065 0.56% 0.49%
2064 0.59% 0.49%
2063 0.58% 0.5%
2062 0.61% 0.5%
2061 0.65% 0.53%
2060 0.7% 0.53%
2059 0.72% 0.54%
2058 0.75% 0.58%
2057 0.78% 0.59%
2056 0.78% 0.61%
2055 0.81% 0.65%
2054 0.81% 0.68%
2053 0.87% 0.71%
2052 0.87% 0.75%
2051 0.93% 0.77%
2050 0.97% 0.83%
2049 1% 0.86%
2048 0.98% 0.9%
2047 1.03% 0.94%
2046 1.04% 0.98%
2045 1.05% 1%
2044 1.1% 1.01%
2043 1.1% 1.04%
2042 1.1% 1.05%
2041 1.09% 1.05%
2040 1.13% 1.05%
2039 1.16% 1.04%
2038 1.18% 1.04%
2037 1.2% 1.02%
2036 1.2% 1%
2035 1.19% 1%
2034 1.23% 0.98%
2033 1.25% 0.97%
2032 1.29% 0.95%
2031 1.3% 0.97%
2030 1.33% 0.99%
2029 1.34% 1.02%
2028 1.4% 1.06%
2027 1.42% 1.1%
2026 1.45% 1.16%
2025 1.48% 1.23%
2024 1.5% 1.25%
2023 1.58% 1.38%
2022 1.63% 1.48%
2021 1.81% 1.7%
2020 1.76% 1.82%
2019 1.5% 1.85%
2018 1.5% 1.88%
2017 1.52% 1.94%
2016 1.42% 2.05%
2015 1.29% 2.15%
2014 1.31% 2.21%
2013 1.38% 2.09%
2012 1.48% 1.92%
2011 1.79% 1.74%
2010 2.1% 1.77%
2009 2.15% 1.81%
2008 2.11% 1.59%
2007 2.05% 1.35%
2006 2.02% 1.21%
2005 2.03% 1.12%
2004 2.03% 1.13%
2003 2.07% 1.28%
2002 2.14% 1.29%
2001 1.94% 1.23%
2000 1.71% 1.34%
1999 1.71% 1.42%
1998 1.79% 1.4%
1997 1.84% 1.43%
1996 1.71% 1.55%
1995 1.52% 1.62%
1994 1.5% 1.12%
1993 1.55% -0.12%
1992 1.67% 0.11%
1991 2.02% 3.17%
1990 2.34% -1.2%
1989 2.41% 2.31%
1988 2.43% 2.65%
1987 2.46% 2.63%
1986 2.35% 2.57%
1985 1.94% 2.52%
1984 1.65% 2.47%
1983 1.64% 2.45%
1982 1.63% 2.44%
1981 1.59% 2.44%
1980 1.62% 2.45%
1979 0.51% 2.54%
1978 -0.67% 2.74%
1977 -0.65% 2.89%
1976 -0.53% 2.93%
1975 -0.38% 2.92%
1974 0.65% 2.88%
1973 1.75% 2.83%
1972 1.92% 2.76%
1971 1.99% 2.69%
1970 2.04% 2.61%
1969 1.5% 2.63%
1968 0.97% 2.75%
1967 1.05% 2.86%
1966 1.85% 2.88%
1965 2.59% 2.81%
1964 2.55% 2.69%
1963 2.53% 2.87%
1962 2.51% 3.19%
1961 2.47% 3.24%

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/mongolia | CC BY

In 2024, the population of Kiribati grew by 1.5%, while Mongolia's population grew by 1.25%.

Live population counters

Kiribati Mongolia
Current population
139020
3620317
Population rank 180/197 132/197
Percent of world population 0.002% 0.04%
One net population change
4.41 hours
12 minutes
One birth every
2.56 hours
7.95 minutes
One death every
9.39 hours
27.5 minutes
Daily growth/decline +5 +120
Annual growth/decline +1,988 +43,643
Annual growth/decline rate +1.5% +1.25%
Population growth rate rank 72/197 86/197
One migration net change every
19 hours
4.63 days
Annual migration change -462 +79
Net migration rank 88/196 74/196
Foreign-born residents 3,302 22,589
Foreign-born residents rank 190/195 169/195
Foreign-born share of population 2.5% 0.6%
Foreign-born share rank 128/195 171/195

Natural population change vs migration

Kiribati
Natural

Migration
Mongolia
Natural

Migration
1x
Year Population change
Kiribati Mongolia
Natural Migration Natural Migration
2025 - -462 - 79
2024 - -471 - 83
2023 2,487 -485 46,995 0
2022 2,522 -395 47,730 0
2021 2,408 -348 52,109 0
2020 2,497 0 60,888 0
2019 2,560 -705 61,433 8,660
2018 2,561 -741 60,635 7,811
2017 2,549 -750 57,940 6,831
2016 2,546 -756 62,086 5,633
2015 2,555 -1,022 64,473 4,307
2014 2,577 -1,128 66,078 2,921
2013 2,629 -1,101 62,618 1,505
2012 2,678 -1,093 55,942 351
2011 2,709 -1,019 50,711 -505
2010 2,644 -456 44,914 -6,444
2009 2,573 -289 48,876 -15,007
2008 2,493 -289 45,843 -17,277
2007 2,393 -290 39,636 -15,220
2006 2,285 -290 33,609 -11,934
2005 2,188 -226 29,290 -8,924
2004 2,118 -181 28,418 -8,148
2003 2,045 -157 28,827 -7,986
2002 2,074 -137 30,439 -8,934
2001 2,121 -201 32,052 -10,244
2000 2,153 -629 32,753 -11,241
1999 2,186 -733 32,283 -13,481
1998 2,210 -716 31,757 -10,315
1997 2,220 -693 32,403 -9,132
1996 2,217 -701 33,741 -8,626
1995 2,183 -928 34,473 -7,346
1994 2,168 -996 34,711 -5,449
1993 2,161 -975 36,924 -5,429
1992 2,173 -951 42,437 -8,404
1991 2,176 -844 47,884 -11,427
1990 2,127 -441 49,443 -11,881
1989 2,073 -338 51,420 -9,757
1988 2,022 -321 51,588 2,459
1987 1,982 -298 51,140 1,855
1986 1,933 -273 50,329 354
1985 1,881 -419 49,944 -1,719
1984 1,813 -730 48,562 -2,452
1983 1,748 -702 46,919 -2,522
1982 1,697 -674 45,179 -2,132
1981 1,635 -645 43,588 -1,615
1980 1,571 -610 42,343 -1,268
1979 1,509 -516 41,568 -1,296
1978 1,480 -1,858 40,276 1,833
1977 1,426 -1,854 38,995 5,354
1976 1,425 -1,795 37,670 6,577
1975 1,423 -1,706 36,490 6,556
1974 1,430 -1,605 35,297 6,153
1973 1,409 -440 33,993 5,647
1972 1,406 -290 32,727 4,999
1971 1,406 -265 31,536 4,238
1970 1,388 -233 30,558 3,263
1969 1,367 -222 29,781 2,366
1968 1,393 -876 29,017 3,535
1967 1,417 -873 28,178 5,139
1966 1,437 -840 27,338 5,837
1965 1,376 0 26,364 5,610
1964 1,318 0 25,317 4,599
1963 1,273 0 24,142 3,687
1962 1,233 0 22,960 9,049
1961 1,199 0 21,873 10,440
1960 1,141 0 20,726 10,334

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

GeoRank.org/population/kiribati/mongolia | 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 Mongolia 94.1% is from natural causes (a gain of 580,367 people) and 5.87% is from migration (a gain of 36,163 people).

As of 2024, 3,302 residents or 2.5% of the population were not native-born in Kiribati, compared to 22,589 people or 0.6% in Mongolia.

Biggest cities by population

Kiribati
City Population
South Tarawa 63.4K
London 1.9K
Mongolia
City Population
Ulaanbaatar 1.4M
Bulgan 12.3K

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/mongolia | 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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