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

Updated on by Georank team

The latest officially reported population of Sao Tome and Principe was 235,536 in 2024 vs 21,916,000 people in Sri Lanka in 2024. In 2025, based on the adjusted UN estimation, the current Sao Tome and Principe's population is 244,055 people compared to 22,125,995 in Sri Lanka.

Population statistics:

  • Sri Lanka's population is 90.7 times bigger than Sao Tome and Principe's.
  • Sao Tome and Principe is ranked the 176th most populous country in the world, while Sri Lanka is the 63rd.
  • The countries together account for 0.27% of the world: 0.003% for Sao Tome and Principe vs 0.27% for Sri Lanka.
  • For the last 10 years, Sao Tome and Principe has had an average growth rate of +1.82% per year vs +0.57% in Sri Lanka.
  • Since 2005, the population of Sao Tome and Principe has increased from 162K people to 244K (51% growth), while Sri Lanka has grown from 20.2M to 22.1M (9.45% growth).
  • Sao Tome and Principe is projected to reach its peak in 2100 at 534K people compared to the peak of 23.5M people in 2051 for Sri Lanka.

Sao Tome and Principe vs Sri Lanka: live population counter

Sao Tome Sri Lanka
Current population
244055
22125995
Population rank 176/197 63/197
Percent of world population 0.003% 0.27%
One net population change
1.88 hours
4.34 minutes
One birth every
1.35 hours
2.13 minutes
One death every
6.81 hours
2.91 minutes
One migration net change every
14.5 hours
19.3 minutes
Annual migration change -604 -27,245
Daily growth/decline +13 -332
Annual growth/decline +4,665 -121,000
Annual growth/decline rate +2.02% -0.55%
Population growth rate rank 52/197 187/197

Sao Tome and Principe and Sri Lanka: population history and growth rate by year chart

Sao Tome and Principe
Population

Growth rate
Sri Lanka
Population

Growth rate
Year Population Growth rate
Sao Tome Sri Lanka Sao Tome Sri Lanka
1960 68,012 9,661,389 - -
1961 68,707 9,899,372 1.02% 2.46%
1962 69,403 10,143,754 1.01% 2.47%
1963 70,112 10,395,040 1.02% 2.48%
1964 70,865 10,653,397 1.07% 2.49%
1965 71,680 10,916,965 1.15% 2.47%
1966 72,576 11,183,928 1.25% 2.45%
1967 73,596 11,457,328 1.41% 2.44%
1968 74,765 11,736,088 1.59% 2.43%
1969 76,083 12,013,858 1.76% 2.37%
1970 77,626 12,287,110 2.03% 2.27%
1971 79,330 12,551,910 2.2% 2.16%
1972 81,041 12,809,205 2.16% 2.05%
1973 82,798 13,060,916 2.17% 1.97%
1974 84,672 13,305,693 2.26% 1.87%
1975 86,708 13,548,984 2.4% 1.83%
1976 88,922 13,796,770 2.55% 1.83%
1977 91,301 14,049,371 2.68% 1.83%
1978 93,794 14,310,128 2.73% 1.86%
1979 96,252 14,579,614 2.62% 1.88%
1980 98,544 14,847,974 2.38% 1.84%
1981 100,615 15,099,414 2.1% 1.69%
1982 102,508 15,286,567 1.88% 1.24%
1983 104,380 15,388,794 1.83% 0.67%
1984 106,394 15,441,860 1.93% 0.34%
1985 108,658 15,544,154 2.13% 0.66%
1986 111,150 15,731,256 2.29% 1.2%
1987 113,919 15,916,576 2.49% 1.18%
1988 116,939 16,078,621 2.65% 1.02%
1989 119,979 16,248,557 2.6% 1.06%
1990 122,980 16,352,458 2.5% 0.64%
1991 125,697 16,475,354 2.21% 0.75%
1992 128,110 16,739,284 1.92% 1.6%
1993 130,467 17,025,918 1.84% 1.71%
1994 132,732 17,275,773 1.74% 1.47%
1995 134,895 17,564,068 1.63% 1.67%
1996 136,962 17,905,018 1.53% 1.94%
1997 138,922 18,248,200 1.43% 1.92%
1998 140,751 18,596,003 1.32% 1.91%
1999 142,442 18,944,731 1.2% 1.88%
2000 144,018 19,293,054 1.11% 1.84%
2001 146,375 19,600,362 1.64% 1.59%
2002 149,922 19,805,752 2.42% 1.05%
2003 153,814 19,951,521 2.6% 0.74%
2004 157,705 20,087,605 2.53% 0.68%
2005 161,639 20,216,524 2.49% 0.64%
2006 165,638 20,352,411 2.47% 0.67%
2007 169,700 20,492,545 2.45% 0.69%
2008 173,793 20,629,378 2.41% 0.67%
2009 177,853 20,756,435 2.34% 0.62%
2010 181,802 20,879,089 2.22% 0.59%
2011 185,649 21,009,048 2.12% 0.62%
2012 189,439 21,169,458 2.04% 0.76%
2013 193,148 20,585,000 1.96% -2.76%
2014 196,767 20,778,000 1.87% 0.94%
2015 200,291 20,970,000 1.79% 0.92%
2016 203,689 21,209,000 1.7% 1.14%
2017 206,970 21,453,000 1.61% 1.15%
2018 210,187 21,670,000 1.55% 1.01%
2019 213,392 21,803,000 1.52% 0.61%
2020 217,435 21,919,000 1.89% 0.53%
2021 221,961 22,156,000 2.08% 1.08%
2022 226,305 22,181,000 1.96% 0.11%
2023 230,871 22,037,000 2.02% -0.65%
2024 235,536 21,916,000 2.02% -0.55%
2025 240,251 22,035,440 2% 0.54%
2026 244,987 22,148,172 1.97% 0.51%
2027 249,783 22,255,601 1.96% 0.49%
2028 254,657 22,357,682 1.95% 0.46%
2029 259,597 22,453,922 1.94% 0.43%
2030 264,560 22,546,245 1.91% 0.41%
2031 269,566 22,635,106 1.89% 0.39%
2032 274,643 22,720,118 1.88% 0.38%
2033 279,761 22,802,043 1.86% 0.36%
2034 284,911 22,879,527 1.84% 0.34%
2035 290,082 22,952,739 1.81% 0.32%
2036 295,269 23,022,027 1.79% 0.3%
2037 300,439 23,088,877 1.75% 0.29%
2038 305,590 23,152,480 1.71% 0.28%
2039 310,729 23,211,633 1.68% 0.26%
2040 315,833 23,265,986 1.64% 0.23%
2041 320,875 23,315,260 1.6% 0.21%
2042 325,888 23,359,578 1.56% 0.19%
2043 330,908 23,398,752 1.54% 0.17%
2044 335,919 23,433,096 1.51% 0.15%
2045 340,911 23,464,943 1.49% 0.14%
2046 345,883 23,492,738 1.46% 0.12%
2047 350,758 23,512,629 1.41% 0.08%
2048 355,569 23,525,953 1.37% 0.06%
2049 360,353 23,533,940 1.35% 0.03%
2050 365,103 23,538,230 1.32% 0.02%

From 2005 to 2015, the population of Sao Tome and Principe increased by 38,652 people (a 23.9% growth), while Sri Lanka gained 753,476 people (a 3.73% growth).

For the next 10 years, from 2015 to 2025, Sao Tome and Principe gained 43,764 (a 21.9% growth), while Sri Lanka's population increased by 1,155,995 (a 5.51% growth).

Sao Tome and Principe was ranked 178th most populous country in 2005 and is 176th in 2025. Sri Lanka was ranked 53rd in 2005 and ranked 63rd now.

The UN's World Population Prospects forecasts that with changing growth rate trends in 25 years (in 2050) Sao Tome and Principe's population will grow by 49.6% to 365,103 people with a rank change from 176th to 175th. The population of Sri Lanka will increase by 6.38% to 23,538,230 people and rank change from 63rd to 70th.

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