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

Updated on by Georank team

The latest officially reported population of Eritrea was 3,535,603 in 2024 vs 235,536 people in Sao Tome and Principe in 2024. In 2026, based on the adjusted UN estimation, the current Eritrea's population is 3,700,586 people compared to 246,362 in Sao Tome and Principe.

Population statistics:

  • Eritrea's population is 15 times bigger than Sao Tome and Principe's.
  • Eritrea is ranked the 130th most populous country in the world, while Sao Tome and Principe is the 176th.
  • The countries together account for 0.05% of the world: 0.04% for Eritrea vs 0.003% for Sao Tome and Principe.
  • For the last 10 years, Eritrea has had an average growth rate of +1.28% per year vs +1.82% in Sao Tome and Principe.
  • Since 2006, the population of Eritrea has increased from 2.7M people to 3.7M (36.9% growth), while Sao Tome and Principe has grown from 166K to 246K (48.7% growth).

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

Eritrea
Factual

Projection
Sao Tome and Principe
Factual

Projection
1x
Year Population
Eritrea Sao Tome
2100 8,514,681 538,729
2099 8,489,924 537,330
2098 8,466,983 535,787
2097 8,444,468 534,124
2096 8,422,323 532,353
2095 8,396,086 530,576
2094 8,370,114 528,656
2093 8,344,405 526,643
2092 8,309,034 524,507
2091 8,278,860 522,325
2090 8,243,905 519,999
2089 8,209,883 517,612
2088 8,172,664 515,098
2087 8,136,016 512,568
2086 8,093,065 510,018
2085 8,046,814 507,340
2084 7,999,706 504,584
2083 7,956,385 501,679
2082 7,911,764 498,722
2081 7,871,753 495,689
2080 7,815,766 492,482
2079 7,765,677 489,244
2078 7,711,886 485,930
2077 7,656,307 482,450
2076 7,600,951 478,942
2075 7,538,912 475,380
2074 7,484,322 471,763
2073 7,420,571 468,114
2072 7,358,500 464,348
2071 7,296,109 460,509
2070 7,231,198 456,552
2069 7,164,883 452,449
2068 7,094,530 448,367
2067 7,026,000 444,152
2066 6,952,514 439,833
2065 6,884,323 435,561
2064 6,814,893 431,126
2063 6,733,263 426,703
2062 6,659,531 422,184
2061 6,580,923 417,686
2060 6,500,944 413,117
2059 6,422,305 408,577
2058 6,343,070 404,024
2057 6,265,450 399,413
2056 6,194,123 394,844
2055 6,114,099 390,153
2054 6,039,801 385,468
2053 5,957,339 380,737
2052 5,871,954 376,015
2051 5,791,096 371,194
2050 5,711,061 366,397
2049 5,632,165 361,591
2048 5,549,890 356,742
2047 5,468,518 351,861
2046 5,387,267 346,888
2045 5,300,511 341,838
2044 5,215,831 336,792
2043 5,131,686 331,713
2042 5,044,262 326,652
2041 4,960,422 321,594
2040 4,870,981 316,457
2039 4,782,316 311,279
2038 4,693,015 306,071
2037 4,599,752 300,875
2036 4,506,879 295,624
2035 4,420,367 290,400
2034 4,332,828 285,183
2033 4,248,272 279,990
2032 4,165,241 274,835
2031 4,083,762 269,740
2030 3,998,903 264,723
2029 3,917,775 259,705
2028 3,836,693 254,751
2027 3,756,696 249,860
2026 3,679,782 245,066
2025 3,603,902 240,286
2024 3,535,603 235,536
2023 3,470,390 230,871
2022 3,409,447 226,305
2021 3,350,183 221,961
2020 3,291,271 217,435
2019 3,240,194 213,392
2018 3,192,760 210,187
2017 3,150,347 206,970
2016 3,124,698 203,689
2015 3,105,546 200,291
2014 3,095,173 196,767
2013 3,074,360 193,148
2012 3,036,988 189,439
2011 2,998,485 185,649
2010 2,945,186 181,802
2009 2,887,885 177,853
2008 2,816,327 173,793
2007 2,743,222 169,700
2006 2,703,502 165,638
2005 2,661,215 161,639
2004 2,598,284 157,705
2003 2,493,903 153,814
2002 2,392,978 149,922
2001 2,312,079 146,375
2000 2,247,031 144,018
1999 2,212,780 142,442
1998 2,180,419 140,751
1997 2,152,135 138,922
1996 2,128,464 136,962
1995 2,025,267 134,895
1994 1,913,915 132,732
1993 1,856,006 130,467
1992 1,798,748 128,110
1991 1,919,571 125,697
1990 2,032,737 122,980
1989 1,987,017 119,979
1988 1,938,255 116,939
1987 1,888,669 113,919
1986 1,845,164 111,150
1985 1,807,816 108,658
1984 1,771,730 106,394
1983 1,736,160 104,380
1982 1,695,461 102,508
1981 1,649,939 100,615
1980 1,605,797 98,544
1979 1,563,332 96,252
1978 1,522,378 93,794
1977 1,482,565 91,301
1976 1,443,807 88,922
1975 1,408,210 86,708
1974 1,375,688 84,672
1973 1,342,669 82,798
1972 1,309,235 81,041
1971 1,276,154 79,330
1970 1,243,453 77,626
1969 1,212,005 76,083
1968 1,181,737 74,765
1967 1,152,339 73,596
1966 1,124,957 72,576
1965 1,098,335 71,680
1964 1,071,287 70,865
1963 1,045,092 70,112
1962 1,019,788 69,403
1961 995,573 68,707
1960 972,547 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/eritrea/sao-tome-and-principe | CC BY

From 2006 to 2016, the population of Eritrea increased by 421,196 people (a 15.6% growth), while Sao Tome and Principe gained 38,051 people (a 23% growth).

For the next 10 years, from 2016 to 2026, Eritrea gained 575,888 people (a 18.4% growth), while Sao Tome and Principe's population increased by 42,673 people (a 21% growth).

Eritrea was ranked 135th most populous country in 2006 and is 130th 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) Eritrea's population will grow by 54.3% to 5,711,061 people with a rank change from 130th to 123rd. The population of Sao Tome and Principe will increase by 48.7% to 366,397 people and rank change from 176th to 175th.

Eritrea is projected to reach its peak in 2100 at 8.51M people compared to the peak of 539K people in 2100 for Sao Tome and Principe.

Population growth rate by year

Eritrea
Factual

Projection
Sao Tome and Principe
Factual

Projection
1x
Year Growth rate
Eritrea Sao Tome
2100 0.29% 0.26%
2099 0.27% 0.29%
2098 0.27% 0.31%
2097 0.26% 0.33%
2096 0.31% 0.33%
2095 0.31% 0.36%
2094 0.31% 0.38%
2093 0.43% 0.41%
2092 0.36% 0.42%
2091 0.42% 0.45%
2090 0.41% 0.46%
2089 0.46% 0.49%
2088 0.45% 0.49%
2087 0.53% 0.5%
2086 0.57% 0.53%
2085 0.59% 0.55%
2084 0.54% 0.58%
2083 0.56% 0.59%
2082 0.51% 0.61%
2081 0.72% 0.65%
2080 0.65% 0.66%
2079 0.7% 0.68%
2078 0.73% 0.72%
2077 0.73% 0.73%
2076 0.82% 0.75%
2075 0.73% 0.77%
2074 0.86% 0.78%
2073 0.84% 0.81%
2072 0.86% 0.83%
2071 0.9% 0.87%
2070 0.93% 0.91%
2069 0.99% 0.91%
2068 0.98% 0.95%
2067 1.06% 0.98%
2066 0.99% 0.98%
2065 1.02% 1.03%
2064 1.21% 1.04%
2063 1.11% 1.07%
2062 1.19% 1.08%
2061 1.23% 1.11%
2060 1.22% 1.11%
2059 1.25% 1.13%
2058 1.24% 1.15%
2057 1.15% 1.16%
2056 1.31% 1.2%
2055 1.23% 1.22%
2054 1.38% 1.24%
2053 1.45% 1.26%
2052 1.4% 1.3%
2051 1.4% 1.31%
2050 1.4% 1.33%
2049 1.48% 1.36%
2048 1.49% 1.39%
2047 1.51% 1.43%
2046 1.64% 1.48%
2045 1.62% 1.5%
2044 1.64% 1.53%
2043 1.73% 1.55%
2042 1.69% 1.57%
2041 1.84% 1.62%
2040 1.85% 1.66%
2039 1.9% 1.7%
2038 2.03% 1.73%
2037 2.06% 1.78%
2036 1.96% 1.8%
2035 2.02% 1.83%
2034 1.99% 1.85%
2033 1.99% 1.88%
2032 2% 1.89%
2031 2.12% 1.9%
2030 2.07% 1.93%
2029 2.11% 1.94%
2028 2.13% 1.96%
2027 2.09% 1.96%
2026 2.11% 1.99%
2025 1.93% 2.02%
2024 1.88% 2.02%
2023 1.79% 2.02%
2022 1.77% 1.96%
2021 1.79% 2.08%
2020 1.58% 1.89%
2019 1.49% 1.52%
2018 1.35% 1.55%
2017 0.82% 1.61%
2016 0.62% 1.7%
2015 0.34% 1.79%
2014 0.68% 1.87%
2013 1.23% 1.96%
2012 1.28% 2.04%
2011 1.81% 2.12%
2010 1.98% 2.22%
2009 2.54% 2.34%
2008 2.66% 2.41%
2007 1.47% 2.45%
2006 1.59% 2.47%
2005 2.42% 2.49%
2004 4.19% 2.53%
2003 4.22% 2.6%
2002 3.5% 2.42%
2001 2.89% 1.64%
2000 1.55% 1.11%
1999 1.48% 1.2%
1998 1.31% 1.32%
1997 1.11% 1.43%
1996 5.1% 1.53%
1995 5.82% 1.63%
1994 3.12% 1.74%
1993 3.18% 1.84%
1992 -6.29% 1.92%
1991 -5.57% 2.21%
1990 2.3% 2.5%
1989 2.52% 2.6%
1988 2.63% 2.65%
1987 2.36% 2.49%
1986 2.07% 2.29%
1985 2.04% 2.13%
1984 2.05% 1.93%
1983 2.4% 1.83%
1982 2.76% 1.88%
1981 2.75% 2.1%
1980 2.72% 2.38%
1979 2.69% 2.62%
1978 2.69% 2.73%
1977 2.68% 2.68%
1976 2.53% 2.55%
1975 2.36% 2.4%
1974 2.46% 2.26%
1973 2.55% 2.17%
1972 2.59% 2.16%
1971 2.63% 2.2%
1970 2.59% 2.03%
1969 2.56% 1.76%
1968 2.55% 1.59%
1967 2.43% 1.41%
1966 2.42% 1.25%
1965 2.52% 1.15%
1964 2.51% 1.07%
1963 2.48% 1.02%
1962 2.43% 1.01%
1961 2.37% 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/eritrea/sao-tome-and-principe | CC BY

In 2024, the population of Eritrea grew by 1.88%, while Sao Tome and Principe's population grew by 2.02%.

Live population counters

Eritrea Sao Tome
Current population
3700586
246362
Population rank 130/197 176/197
Percent of world population 0.04% 0.003%
One net population change
8.06 minutes
1.88 hours
One birth every
5.31 minutes
1.35 hours
One death every
25 minutes
6.81 hours
Daily growth/decline +179 +13
Annual growth/decline +65,213 +4,665
Annual growth/decline rate +1.88% +2.02%
Population growth rate rank 58/197 49/197
One migration net change every
1.31 hours
13.5 hours
Annual migration change -6,698 -650
Net migration rank 122/196 90/196
Foreign-born residents 12,512 1,955
Foreign-born residents rank 176/195 194/195
Foreign-born share of population 0.4% 0.8%
Foreign-born share rank 178/195 162/195

Natural population change vs migration

Eritrea
Natural

Migration
Sao Tome and Principe
Natural

Migration
1x
Year Population change
Eritrea Sao Tome
Natural Migration Natural Migration
2025 - -6,698 - -650
2024 - -12,696 - -604
2023 78,073 -15,284 5,221 -592
2022 76,221 -17,134 5,102 -592
2021 74,394 -14,966 4,954 -782
2020 73,362 -14,967 4,874 0
2019 73,572 -29,818 4,932 -1,716
2018 72,511 -21,403 4,957 -1,757
2017 72,291 -38,579 5,007 -1,779
2016 73,002 -55,431 5,125 -1,793
2015 73,682 -52,965 5,269 -1,809
2014 75,729 -75,696 5,381 -1,801
2013 75,562 -33,974 5,449 -1,787
2012 76,416 -43,269 5,501 -1,739
2011 76,806 -32,949 5,445 -1,616
2010 76,098 -13,361 5,391 -1,529
2009 76,206 -24,348 5,349 -1,328
2008 73,391 17,855 5,297 -1,203
2007 73,101 -18,131 5,226 -1,127
2006 74,470 -49,998 5,057 -1,031
2005 72,930 -12,835 4,897 -941
2004 72,147 -6,374 4,810 -894
2003 66,291 76,703 4,702 -816
2002 65,436 -6,574 4,591 -690
2001 61,180 41,760 4,471 -1,289
2000 60,274 -33,133 4,334 -2,798
1999 45,120 -3,769 4,221 -2,594
1998 55,332 -31,951 4,120 -2,364
1997 63,953 -30,768 4,041 -2,153
1996 66,557 -52,421 3,993 -1,974
1995 56,157 136,105 3,948 -1,829
1994 56,288 -25,841 3,860 -1,644
1993 51,679 33,688 3,841 -1,527
1992 51,443 -22,293 3,822 -1,432
1991 57,741 -328,546 3,801 -1,362
1990 56,903 -12,425 3,719 -727
1989 54,299 -7,330 3,576 -571
1988 54,163 -3,612 3,544 -465
1987 52,229 -3,613 3,440 -470
1986 39,470 -1,073 3,180 -614
1985 37,362 -1,073 3,242 -828
1984 35,101 772 3,163 -1,041
1983 33,420 1,853 3,100 -1,203
1982 44,146 1,985 3,047 -1,203
1981 42,924 1,985 3,015 -1,067
1980 41,392 1,985 2,965 -770
1979 39,577 1,985 2,893 -491
1978 38,353 1,985 2,800 -279
1977 37,295 1,985 2,705 -255
1976 36,250 1,985 2,608 -302
1975 30,971 1,985 2,515 -392
1974 30,111 1,985 2,422 -474
1973 31,969 1,985 2,329 -525
1972 30,951 1,953 2,232 -517
1971 31,490 1,758 2,127 -430
1970 30,686 1,480 1,980 -279
1969 29,535 1,199 1,862 -469
1968 28,777 1,013 1,767 -520
1967 27,992 1,004 1,693 -606
1966 24,713 1,063 1,642 -688
1965 26,285 1,188 1,611 -765
1964 25,327 1,300 1,600 -819
1963 24,393 1,368 1,609 -886
1962 23,478 1,364 1,625 -927
1961 22,351 1,235 1,657 -960
1960 21,424 1,045 1,547 -860

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

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

Over the last 10 years, 68.8% of the population change in Eritrea is from natural causes (a gain of 742,837 people) and 31.2% is from migration (a loss of 336,243 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, 12,512 residents or 0.4% of the population were not native-born in Eritrea, compared to 1,955 people or 0.8% in Sao Tome and Principe.

Biggest cities by population

Eritrea
City Population
Asmara 963K
Keren 120K
Massawa 39.8K
Mendefera 28.5K
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/eritrea/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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