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Population in Iceland compared to Sao Tome and Principe: Trends, Charts, Rankings

Updated on by Georank team

The latest officially reported population of Iceland was 386,506 in 2024 vs 235,536 people in Sao Tome and Principe in 2024. In 2026, based on the adjusted UN estimation, the current Iceland's population is 397,129 people compared to 246,362 in Sao Tome and Principe.

Population statistics:

  • Iceland's population is 1.61 times bigger than Sao Tome and Principe's.
  • Iceland is ranked the 173rd most populous country in the world, while Sao Tome and Principe is the 176th.
  • The countries together account for 0.008% of the world: 0.005% for Iceland vs 0.003% for Sao Tome and Principe.
  • For the last 10 years, Iceland has had an average growth rate of +1.63% per year vs +1.82% in Sao Tome and Principe.
  • Since 2006, the population of Iceland has increased from 304K people to 397K (30.7% growth), while Sao Tome and Principe has grown from 166K to 246K (48.7% growth).

Iceland vs Sao Tome and Principe: population by year and forecast

Iceland
Factual

Projection
Sao Tome and Principe
Factual

Projection
1x
Year Population
Iceland Sao Tome
2100 359,553 538,729
2099 361,331 537,330
2098 363,133 535,787
2097 364,957 534,124
2096 366,850 532,353
2095 368,746 530,576
2094 370,650 528,656
2093 372,614 526,643
2092 374,717 524,507
2091 376,803 522,325
2090 378,807 519,999
2089 380,812 517,612
2088 382,997 515,098
2087 385,164 512,568
2086 387,257 510,018
2085 389,362 507,340
2084 391,416 504,584
2083 393,481 501,679
2082 395,438 498,722
2081 397,470 495,689
2080 399,499 492,482
2079 401,462 489,244
2078 403,324 485,930
2077 405,255 482,450
2076 406,954 478,942
2075 408,546 475,380
2074 410,015 471,763
2073 411,402 468,114
2072 412,903 464,348
2071 414,245 460,509
2070 415,521 456,552
2069 416,683 452,449
2068 417,749 448,367
2067 418,899 444,152
2066 419,918 439,833
2065 420,941 435,561
2064 421,814 431,126
2063 422,695 426,703
2062 423,614 422,184
2061 424,319 417,686
2060 425,096 413,117
2059 425,721 408,577
2058 426,288 404,024
2057 426,844 399,413
2056 427,304 394,844
2055 427,695 390,153
2054 427,915 385,468
2053 428,108 380,737
2052 428,300 376,015
2051 428,278 371,194
2050 428,323 366,397
2049 428,289 361,591
2048 428,213 356,742
2047 428,102 351,861
2046 427,911 346,888
2045 427,683 341,838
2044 427,236 336,792
2043 426,580 331,713
2042 425,915 326,652
2041 425,212 321,594
2040 424,385 316,457
2039 423,407 311,279
2038 422,302 306,071
2037 421,094 300,875
2036 419,738 295,624
2035 418,238 290,400
2034 416,721 285,183
2033 415,006 279,990
2032 413,150 274,835
2031 411,039 269,740
2030 408,677 264,723
2029 406,109 259,705
2028 403,085 254,751
2027 399,797 249,860
2026 396,141 245,066
2025 391,759 240,286
2024 386,506 235,536
2023 385,663 230,871
2022 382,003 226,305
2021 372,520 221,961
2020 366,463 217,435
2019 360,563 213,392
2018 352,721 210,187
2017 343,400 206,970
2016 335,439 203,689
2015 330,815 200,291
2014 327,386 196,767
2013 323,764 193,148
2012 320,716 189,439
2011 319,014 185,649
2010 318,041 181,802
2009 318,499 177,853
2008 317,414 173,793
2007 311,566 169,700
2006 303,782 165,638
2005 296,734 161,639
2004 292,074 157,705
2003 289,521 153,814
2002 287,523 149,922
2001 284,968 146,375
2000 281,205 144,018
1999 277,381 142,442
1998 274,047 140,751
1997 271,128 138,922
1996 268,916 136,962
1995 267,468 134,895
1994 266,021 132,732
1993 263,725 130,467
1992 261,057 128,110
1991 257,797 125,697
1990 254,826 122,980
1989 252,852 119,979
1988 249,740 116,939
1987 245,859 113,919
1986 243,180 111,150
1985 241,405 108,658
1984 239,511 106,394
1983 236,977 104,380
1982 233,860 102,508
1981 230,755 100,615
1980 228,138 98,544
1979 225,735 96,252
1978 223,537 93,794
1977 221,799 91,301
1976 220,154 88,922
1975 217,979 86,708
1974 215,209 84,672
1973 212,317 82,798
1972 209,137 81,041
1971 206,098 79,330
1970 204,438 77,626
1969 203,369 76,083
1968 201,488 74,765
1967 198,751 73,596
1966 195,570 72,576
1965 192,286 71,680
1964 188,983 70,865
1963 185,653 70,112
1962 182,378 69,403
1961 179,029 68,707
1960 175,574 68,012

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/iceland/sao-tome-and-principe | CC BY

From 2006 to 2016, the population of Iceland increased by 31,657 people (a 10.4% growth), while Sao Tome and Principe gained 38,051 people (a 23% growth).

For the next 10 years, from 2016 to 2026, Iceland gained 61,690 people (a 18.4% growth), while Sao Tome and Principe's population increased by 42,673 people (a 21% growth).

Iceland was ranked 172nd most populous country in 2006 and is 173rd in 2026. Sao Tome and Principe was ranked 178th in 2006 and ranked 176th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Iceland's population will grow by 7.85% to 428,323 people and will still be ranked 173rd. The population of Sao Tome and Principe will increase by 48.7% to 366,397 people and rank change from 176th to 175th.

Iceland is projected to reach its peak in 2050 at 428K people compared to the peak of 539K people in 2100 for Sao Tome and Principe.

Population growth rate by year

Iceland
Factual

Projection
Sao Tome and Principe
Factual

Projection
1x
Year Growth rate
Iceland Sao Tome
2100 -0.49% 0.26%
2099 -0.5% 0.29%
2098 -0.5% 0.31%
2097 -0.52% 0.33%
2096 -0.51% 0.33%
2095 -0.51% 0.36%
2094 -0.53% 0.38%
2093 -0.56% 0.41%
2092 -0.55% 0.42%
2091 -0.53% 0.45%
2090 -0.53% 0.46%
2089 -0.57% 0.49%
2088 -0.56% 0.49%
2087 -0.54% 0.5%
2086 -0.54% 0.53%
2085 -0.52% 0.55%
2084 -0.52% 0.58%
2083 -0.49% 0.59%
2082 -0.51% 0.61%
2081 -0.51% 0.65%
2080 -0.49% 0.66%
2079 -0.46% 0.68%
2078 -0.48% 0.72%
2077 -0.42% 0.73%
2076 -0.39% 0.75%
2075 -0.36% 0.77%
2074 -0.34% 0.78%
2073 -0.36% 0.81%
2072 -0.32% 0.83%
2071 -0.31% 0.87%
2070 -0.28% 0.91%
2069 -0.26% 0.91%
2068 -0.27% 0.95%
2067 -0.24% 0.98%
2066 -0.24% 0.98%
2065 -0.21% 1.03%
2064 -0.21% 1.04%
2063 -0.22% 1.07%
2062 -0.17% 1.08%
2061 -0.18% 1.11%
2060 -0.15% 1.11%
2059 -0.13% 1.13%
2058 -0.13% 1.15%
2057 -0.11% 1.16%
2056 -0.09% 1.2%
2055 -0.05% 1.22%
2054 -0.05% 1.24%
2053 -0.04% 1.26%
2052 0.005% 1.3%
2051 -0.01% 1.31%
2050 0.008% 1.33%
2049 0.02% 1.36%
2048 0.03% 1.39%
2047 0.04% 1.43%
2046 0.05% 1.48%
2045 0.1% 1.5%
2044 0.15% 1.53%
2043 0.16% 1.55%
2042 0.17% 1.57%
2041 0.2% 1.62%
2040 0.23% 1.66%
2039 0.26% 1.7%
2038 0.29% 1.73%
2037 0.32% 1.78%
2036 0.36% 1.8%
2035 0.36% 1.83%
2034 0.41% 1.85%
2033 0.45% 1.88%
2032 0.51% 1.89%
2031 0.58% 1.9%
2030 0.63% 1.93%
2029 0.75% 1.94%
2028 0.82% 1.96%
2027 0.92% 1.96%
2026 1.12% 1.99%
2025 1.36% 2.02%
2024 0.22% 2.02%
2023 0.96% 2.02%
2022 2.55% 1.96%
2021 1.65% 2.08%
2020 1.64% 1.89%
2019 2.22% 1.52%
2018 2.71% 1.55%
2017 2.37% 1.61%
2016 1.4% 1.7%
2015 1.05% 1.79%
2014 1.12% 1.87%
2013 0.95% 1.96%
2012 0.53% 2.04%
2011 0.31% 2.12%
2010 -0.14% 2.22%
2009 0.34% 2.34%
2008 1.88% 2.41%
2007 2.56% 2.45%
2006 2.38% 2.47%
2005 1.6% 2.49%
2004 0.88% 2.53%
2003 0.69% 2.6%
2002 0.9% 2.42%
2001 1.34% 1.64%
2000 1.38% 1.11%
1999 1.22% 1.2%
1998 1.08% 1.32%
1997 0.82% 1.43%
1996 0.54% 1.53%
1995 0.54% 1.63%
1994 0.87% 1.74%
1993 1.02% 1.84%
1992 1.26% 1.92%
1991 1.17% 2.21%
1990 0.78% 2.5%
1989 1.25% 2.6%
1988 1.58% 2.65%
1987 1.1% 2.49%
1986 0.74% 2.29%
1985 0.79% 2.13%
1984 1.07% 1.93%
1983 1.33% 1.83%
1982 1.35% 1.88%
1981 1.15% 2.1%
1980 1.06% 2.38%
1979 0.98% 2.62%
1978 0.78% 2.73%
1977 0.75% 2.68%
1976 1% 2.55%
1975 1.29% 2.4%
1974 1.36% 2.26%
1973 1.52% 2.17%
1972 1.47% 2.16%
1971 0.81% 2.2%
1970 0.53% 2.03%
1969 0.93% 1.76%
1968 1.38% 1.59%
1967 1.63% 1.41%
1966 1.71% 1.25%
1965 1.75% 1.15%
1964 1.79% 1.07%
1963 1.8% 1.02%
1962 1.87% 1.01%
1961 1.97% 1.02%

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/iceland/sao-tome-and-principe | CC BY

In 2024, the population of Iceland grew by 0.22%, while Sao Tome and Principe's population grew by 2.02%.

Live population counters

Iceland Sao Tome
Current population
397129
246362
Population rank 173/197 176/197
Percent of world population 0.005% 0.003%
One net population change
10.4 hours
1.88 hours
One birth every
2.07 hours
1.35 hours
One death every
3.44 hours
6.81 hours
Daily growth/decline +2 +13
Annual growth/decline +843 +4,665
Annual growth/decline rate +0.22% +2.02%
Population growth rate rank 155/197 49/197
One migration net change every
3.24 hours
13.5 hours
Annual migration change +2,709 -650
Net migration rank 56/196 90/196
Foreign-born residents 98,818 1,955
Foreign-born residents rank 130/195 194/195
Foreign-born share of population 25.1% 0.8%
Foreign-born share rank 23/195 162/195

Natural population change vs migration

Iceland
Natural

Migration
Sao Tome and Principe
Natural

Migration
1x
Year Population change
Iceland Sao Tome
Natural Migration Natural Migration
2025 - 2,709 - -650
2024 - 3,543 - -604
2023 1,697 4,630 5,221 -592
2022 1,719 6,535 5,102 -592
2021 2,534 4,911 4,954 -782
2020 2,199 2,498 4,874 0
2019 2,163 5,030 4,932 -1,716
2018 1,975 6,638 4,957 -1,757
2017 1,854 8,348 5,007 -1,779
2016 1,711 4,128 5,125 -1,793
2015 1,952 1,499 5,269 -1,809
2014 2,324 1,139 5,381 -1,801
2013 2,169 1,666 5,449 -1,787
2012 2,566 -277 5,501 -1,739
2011 2,521 -1,393 5,445 -1,616
2010 2,862 -2,055 5,391 -1,529
2009 3,026 -4,785 5,349 -1,328
2008 2,825 1,138 5,297 -1,203
2007 2,617 5,254 5,226 -1,127
2006 2,491 5,300 5,057 -1,031
2005 2,433 3,925 4,897 -941
2004 2,425 610 4,810 -894
2003 2,317 -204 4,702 -816
2002 2,243 -333 4,591 -690
2001 2,365 867 4,471 -1,289
2000 2,475 1,877 4,334 -2,798
1999 2,192 1,165 4,221 -2,594
1998 2,357 1,014 4,120 -2,364
1997 2,305 225 4,041 -2,153
1996 2,447 -511 3,993 -1,974
1995 2,354 -1,354 3,948 -1,829
1994 2,713 -804 3,860 -1,644
1993 2,875 -194 3,841 -1,527
1992 2,898 -225 3,822 -1,432
1991 2,733 1,145 3,801 -1,362
1990 3,058 -971 3,719 -727
1989 2,832 -994 3,576 -571
1988 2,847 1,572 3,544 -465
1987 2,360 944 3,440 -470
1986 2,384 -335 3,180 -614
1985 2,221 -628 3,242 -828
1984 2,539 -328 3,163 -1,041
1983 2,702 170 3,100 -1,203
1982 2,736 616 3,047 -1,203
1981 2,677 157 3,015 -1,067
1980 2,966 -629 2,965 -770
1979 2,980 -572 2,893 -491
1978 2,727 -781 2,800 -279
1977 2,551 -1,079 2,705 -255
1976 2,951 -1,181 2,608 -302
1975 2,965 -388 2,515 -392
1974 2,776 209 2,422 -474
1973 3,121 -310 2,329 -525
1972 3,241 362 2,232 -517
1971 2,782 -231 2,127 -430
1970 2,576 -1,754 1,980 -279
1969 2,766 -1,414 1,862 -469
1968 2,841 -448 1,767 -520
1967 3,021 47 1,693 -606
1966 3,305 39 1,642 -688
1965 3,442 -194 1,611 -765
1964 3,459 -67 1,600 -819
1963 3,490 -113 1,609 -886
1962 3,465 -228 1,625 -927
1961 3,312 164 1,657 -960
1960 3,758 -269 1,547 -860

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

GeoRank.org/population/iceland/sao-tome-and-principe | CC BY

Over the last 10 years, 30.7% of the population change in Iceland is from natural causes (a gain of 20,128 people) and 69.3% is from migration (a gain of 45,356 people). In Sao Tome and Principe 80.1% is from natural causes (a gain of 50,822 people) and 19.9% is from migration (a loss of 12,621 people).

As of 2024, 98,818 residents or 25.1% of the population were not native-born in Iceland, compared to 1,955 people or 0.8% in Sao Tome and Principe.

Biggest cities by population

Iceland
City Population
Reykjavik 139K
Kopavogur 40K
Hafnarfjorur 31.5K
Keflavik 23.3K
Akureyri 20K
Sao Tome
City Population
Sao Tome 65.5K
Trindade 6.64K

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/iceland/sao-tome-and-principe | 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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