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

Updated on by Georank

The latest officially reported population of Kiribati was 136,488 in 2025 vs 10,804,871 people in Portugal in 2025. In 2026, based on the adjusted UN estimation, the current Kiribati's population is 139,471 people compared to 10,788,071 in Portugal.

Population statistics:

  • Portugal's population is 77.3 times bigger than Kiribati's.
  • Kiribati is ranked the 180th most populous country in the world, while Portugal is the 91st.
  • The countries together account for 0.13% of the world: 0.002% for Kiribati vs 0.13% for Portugal.
  • For the last 10 years, Kiribati has had an average growth rate of +1.54% per year vs +0.35% in Portugal.
  • Since 2006, the population of Kiribati has increased from 100K people to 139K (39.4% growth), while Portugal has grown from 10.5M to 10.8M (2.53% growth).

Kiribati vs Portugal: population by year and forecast

Kiribati
Factual

Projection
Portugal
Factual

Projection
1x
Year Population
Kiribati Portugal
2100 224,260 9,079,610
2099 224,254 9,084,930
2098 224,229 9,089,064
2097 224,174 9,094,546
2096 224,085 9,100,755
2095 223,967 9,108,548
2094 223,780 9,113,366
2093 223,566 9,118,286
2092 223,301 9,123,579
2091 222,947 9,127,714
2090 222,560 9,132,140
2089 222,192 9,136,870
2088 221,771 9,141,647
2087 221,299 9,147,996
2086 220,824 9,152,804
2085 220,313 9,158,263
2084 219,763 9,165,158
2083 219,182 9,171,574
2082 218,584 9,179,958
2081 217,980 9,190,466
2080 217,336 9,201,621
2079 216,656 9,214,398
2078 215,964 9,228,555
2077 215,293 9,243,708
2076 214,551 9,262,542
2075 213,772 9,282,392
2074 212,966 9,305,608
2073 212,150 9,330,117
2072 211,321 9,353,771
2071 210,433 9,380,991
2070 209,514 9,409,668
2069 208,590 9,440,299
2068 207,578 9,473,457
2067 206,500 9,506,001
2066 205,437 9,539,597
2065 204,305 9,574,237
2064 203,169 9,611,738
2063 201,971 9,649,045
2062 200,805 9,686,737
2061 199,579 9,723,601
2060 198,300 9,762,379
2059 196,920 9,801,072
2058 195,512 9,841,936
2057 194,057 9,880,092
2056 192,565 9,918,643
2055 191,068 9,958,971
2054 189,537 9,997,570
2053 188,014 10,037,385
2052 186,393 10,076,095
2051 184,788 10,112,788
2050 183,093 10,149,626
2049 181,341 10,187,172
2048 179,541 10,221,034
2047 177,797 10,255,340
2046 175,976 10,289,266
2045 174,160 10,321,807
2044 172,343 10,353,338
2043 170,465 10,384,554
2042 168,618 10,412,950
2041 166,788 10,440,054
2040 164,991 10,469,380
2039 163,140 10,497,556
2038 161,276 10,523,869
2037 159,395 10,548,445
2036 157,498 10,573,361
2035 155,626 10,597,352
2034 153,791 10,621,955
2033 151,928 10,645,024
2032 150,051 10,668,384
2031 148,135 10,689,372
2030 146,228 10,708,819
2029 144,310 10,729,893
2028 142,397 10,752,023
2027 140,429 10,770,712
2026 138,461 10,788,071
2025 136,488 10,804,871
2024 134,518 10,694,681
2023 132,530 10,578,174
2022 130,469 10,434,332
2021 128,377 10,361,831
2020 126,099 10,297,081
2019 123,921 10,286,263
2018 122,084 10,283,822
2017 120,275 10,300,300
2016 118,478 10,325,452
2015 116,815 10,358,076
2014 115,326 10,401,062
2013 113,838 10,457,295
2012 112,284 10,514,844
2011 110,647 10,557,560
2010 108,704 10,573,100
2009 106,467 10,568,247
2008 104,222 10,558,177
2007 102,068 10,542,964
2006 100,017 10,522,288
2005 98,035 10,503,330
2004 96,085 10,483,861
2003 94,175 10,458,821
2002 92,264 10,419,631
2001 90,335 10,362,722
2000 88,613 10,289,898
1999 87,126 10,217,828
1998 85,657 10,160,196
1997 84,147 10,108,977
1996 82,623 10,063,945
1995 81,234 10,026,176
1994 80,021 9,991,525
1993 78,841 9,964,675
1992 77,641 9,952,494
1991 76,367 9,960,235
1990 74,855 9,983,218
1989 73,147 10,005,000
1988 71,427 10,019,610
1987 69,733 10,030,031
1986 68,059 10,032,734
1985 66,496 10,023,613
1984 65,228 9,996,232
1983 64,169 9,957,865
1982 63,134 9,911,771
1981 62,121 9,851,362
1980 61,148 9,766,312
1979 60,172 9,661,265
1978 59,864 9,558,250
1977 60,267 9,455,675
1976 60,661 9,355,810
1975 60,987 9,093,470
1974 61,219 8,754,365
1973 60,824 8,633,100
1972 59,778 8,630,430
1971 58,652 8,643,756
1970 57,510 8,680,431
1969 56,360 8,757,705
1968 55,529 8,836,650
1967 54,996 8,874,520
1966 54,425 8,930,990
1965 53,439 8,998,595
1964 52,088 9,035,365
1963 50,791 9,030,355
1962 49,538 8,993,985
1961 48,323 8,929,316
1960 47,157 8,857,716

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/portugal | CC BY

From 2006 to 2016, the population of Kiribati increased by 18,461 people (a 18.5% growth), while Portugal lost 196,836 people (a 1.87% decline).

For the next 10 years, from 2016 to 2026, Kiribati gained 20,993 people (a 17.7% growth), while Portugal's population increased by 462,619 people (a 4.48% growth).

Kiribati was ranked 183rd most populous country in 2006 and is 180th in 2026. Portugal was ranked 78th in 2006 and ranked 91st 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 Portugal will decrease by 5.92% to 10,149,626 people and rank change from 91st to 97th.

Kiribati is projected to reach its peak in 2100 at 224K people, while Portugal's population already peaked in 2025 at 10.8M people and is projected to decrease to 9.08M people by 2100.

Population growth rate by year

Kiribati
Factual

Projection
Portugal
Factual

Projection
1x
Year Growth rate
Kiribati Portugal
2100 0.003% -0.06%
2099 0.01% -0.05%
2098 0.02% -0.06%
2097 0.04% -0.07%
2096 0.05% -0.09%
2095 0.08% -0.05%
2094 0.1% -0.05%
2093 0.12% -0.06%
2092 0.16% -0.05%
2091 0.17% -0.05%
2090 0.17% -0.05%
2089 0.19% -0.05%
2088 0.21% -0.07%
2087 0.21% -0.05%
2086 0.23% -0.06%
2085 0.25% -0.08%
2084 0.27% -0.07%
2083 0.27% -0.09%
2082 0.28% -0.11%
2081 0.3% -0.12%
2080 0.31% -0.14%
2079 0.32% -0.15%
2078 0.31% -0.16%
2077 0.35% -0.2%
2076 0.36% -0.21%
2075 0.38% -0.25%
2074 0.38% -0.26%
2073 0.39% -0.25%
2072 0.42% -0.29%
2071 0.44% -0.3%
2070 0.44% -0.32%
2069 0.49% -0.35%
2068 0.52% -0.34%
2067 0.52% -0.35%
2066 0.55% -0.36%
2065 0.56% -0.39%
2064 0.59% -0.39%
2063 0.58% -0.39%
2062 0.61% -0.38%
2061 0.65% -0.4%
2060 0.7% -0.39%
2059 0.72% -0.42%
2058 0.75% -0.39%
2057 0.78% -0.39%
2056 0.78% -0.4%
2055 0.81% -0.39%
2054 0.81% -0.4%
2053 0.87% -0.38%
2052 0.87% -0.36%
2051 0.93% -0.36%
2050 0.97% -0.37%
2049 1% -0.33%
2048 0.98% -0.33%
2047 1.03% -0.33%
2046 1.04% -0.32%
2045 1.05% -0.3%
2044 1.1% -0.3%
2043 1.1% -0.27%
2042 1.1% -0.26%
2041 1.09% -0.28%
2040 1.13% -0.27%
2039 1.16% -0.25%
2038 1.18% -0.23%
2037 1.2% -0.24%
2036 1.2% -0.23%
2035 1.19% -0.23%
2034 1.23% -0.22%
2033 1.25% -0.22%
2032 1.29% -0.2%
2031 1.3% -0.18%
2030 1.33% -0.2%
2029 1.34% -0.21%
2028 1.4% -0.17%
2027 1.42% -0.16%
2026 1.45% -0.16%
2025 1.46% 1.03%
2024 1.5% 1.1%
2023 1.58% 1.38%
2022 1.63% 0.7%
2021 1.81% 0.63%
2020 1.76% 0.11%
2019 1.5% 0.02%
2018 1.5% -0.16%
2017 1.52% -0.24%
2016 1.42% -0.31%
2015 1.29% -0.41%
2014 1.31% -0.54%
2013 1.38% -0.55%
2012 1.48% -0.4%
2011 1.79% -0.15%
2010 2.1% 0.05%
2009 2.15% 0.1%
2008 2.11% 0.14%
2007 2.05% 0.2%
2006 2.02% 0.18%
2005 2.03% 0.19%
2004 2.03% 0.24%
2003 2.07% 0.38%
2002 2.14% 0.55%
2001 1.94% 0.71%
2000 1.71% 0.71%
1999 1.71% 0.57%
1998 1.79% 0.51%
1997 1.84% 0.45%
1996 1.71% 0.38%
1995 1.52% 0.35%
1994 1.5% 0.27%
1993 1.55% 0.12%
1992 1.67% -0.08%
1991 2.02% -0.23%
1990 2.34% -0.22%
1989 2.41% -0.15%
1988 2.43% -0.1%
1987 2.46% -0.03%
1986 2.35% 0.09%
1985 1.94% 0.27%
1984 1.65% 0.39%
1983 1.64% 0.47%
1982 1.63% 0.61%
1981 1.59% 0.87%
1980 1.62% 1.09%
1979 0.51% 1.08%
1978 -0.67% 1.08%
1977 -0.65% 1.07%
1976 -0.53% 2.88%
1975 -0.38% 3.87%
1974 0.65% 1.4%
1973 1.75% 0.03%
1972 1.92% -0.15%
1971 1.99% -0.42%
1970 2.04% -0.88%
1969 1.5% -0.89%
1968 0.97% -0.43%
1967 1.05% -0.63%
1966 1.85% -0.75%
1965 2.59% -0.41%
1964 2.55% 0.06%
1963 2.53% 0.4%
1962 2.51% 0.72%
1961 2.47% 0.81%

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/portugal | CC BY

In 2025, the population of Kiribati grew by 1.46%, while Portugal's population grew by 1.03%.

Live population counters

Kiribati Portugal
Current population
139471
10788071
Population rank 180/197 91/197
Percent of world population 0.002% 0.13%
One net population change
4.46 hours
4.78 minutes
One birth every
2.57 hours
6.22 minutes
One death every
9.23 hours
4.43 minutes
Daily growth/decline +5 +302
Annual growth/decline +1,970 +110,190
Annual growth/decline rate +1.46% +1.03%
Population growth rate rank 72/197 99/197
One migration net change every
19 hours
32 minutes
Annual migration change -462 +16,472
Net migration rank 88/196 38/196
Foreign-born residents 3,302 1,127,184
Foreign-born residents rank 190/195 56/195
Foreign-born share of population 2.5% 10.8%
Foreign-born share rank 128/195 61/195

Natural population change vs migration

Kiribati
Natural

Migration
Portugal
Natural

Migration
1x
Year Population change
Kiribati Portugal
Natural Migration Natural Migration
2025 - -462 - 16,472
2024 2,455 -471 -34,223 20,648
2023 2,487 -485 -32,792 29,102
2022 2,522 -395 -40,694 68,696
2021 2,408 -348 -45,592 69,606
2020 2,497 0 -39,129 54,076
2019 2,560 -705 -24,687 63,031
2018 2,561 -741 -25,709 22,495
2017 2,549 -750 -23,691 13,979
2016 2,546 -756 -23,749 -775
2015 2,555 -1,022 -23,823 -3,209
2014 2,577 -1,128 -22,882 -26,447
2013 2,629 -1,101 -24,052 -36,342
2012 2,678 -1,093 -17,875 -37,083
2011 2,709 -1,019 -5,279 -31,513
2010 2,644 -456 -4,230 -5,627
2009 2,573 -289 -5,284 14,532
2008 2,493 -289 0 9,478
2007 2,393 -290 -1,055 21,064
2006 2,285 -290 3,156 16,754
2005 2,188 -226 2,101 15,537
2004 2,118 -181 7,339 13,928
2003 2,045 -157 4,184 24,740
2002 2,074 -137 8,335 42,169
2001 2,121 -201 8,290 55,565
2000 2,153 -629 15,435 60,586
1999 2,186 -733 8,175 49,572
1998 2,210 -716 7,112 40,931
1997 2,220 -693 8,087 36,922
1996 2,217 -701 4,026 32,640
1995 2,183 -928 4,011 26,971
1994 2,168 -996 9,991 20,761
1993 2,161 -975 7,972 8,561
1992 2,173 -951 13,933 -11,847
1991 2,176 -844 12,948 -37,914
1990 2,127 -441 13,976 -34,855
1989 2,073 -338 22,011 -30,615
1988 2,022 -321 24,047 -26,595
1987 1,982 -298 28,084 -23,142
1986 1,933 -273 31,102 -20,000
1985 1,881 -419 33,077 -19,183
1984 1,813 -730 45,983 -16,658
1983 1,748 -702 47,798 -16,568
1982 1,697 -674 58,479 -15,006
1981 1,635 -645 56,152 -7,938
1980 1,571 -610 63,481 29,881
1979 1,509 -516 67,628 32,434
1978 1,480 -1,858 70,731 34,345
1977 1,426 -1,854 84,156 37,779
1976 1,425 -1,795 85,138 40,490
1975 1,423 -1,706 81,841 42,262
1974 1,430 -1,605 74,412 41,254
1973 1,409 -440 76,835 39,748
1972 1,406 -290 83,715 39,058
1971 1,406 -265 82,980 48,944
1970 1,388 -233 87,672 -191,862
1969 1,367 -222 89,329 -161,114
1968 1,393 -876 100,737 -145,200
1967 1,417 -873 106,495 -136,232
1966 1,437 -840 107,171 -129,233
1965 1,376 0 115,182 -123,855
1964 1,318 0 120,170 -118,763
1963 1,273 0 113,783 -116,874
1962 1,233 0 123,217 -113,947
1961 1,199 0 117,867 -112,768
1960 1,141 0 118,693 -95,886

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

GeoRank.org/population/kiribati/portugal | 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 Portugal 48.2% is from natural causes (a loss of 314,089 people) and 51.8% is from migration (a gain of 337,649 people).

As of 2024, 3,302 residents or 2.5% of the population were not native-born in Kiribati, compared to 1,127,184 people or 10.8% in Portugal.

Biggest cities by population

Kiribati
City Population
South Tarawa 63.4K
London 1.9K
Portugal
City Population
Lisbon 546K
Sintra 386K
Vila Nova de Gaia 304K
Porto 232K
Cascais 214K
Loures 202K
Braga 193K
Almada 177K
Matosinhos 173K
Oeiras 172K

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/portugal | 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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