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

Updated on by Georank team

The latest officially reported population of Sao Tome and Principe was 235,536 in 2024 vs 104,175 people in Tonga in 2024. In 2025, based on the adjusted UN estimation, the current Sao Tome and Principe's population is 244,055 people compared to 103,744 in Tonga.

Population statistics:

  • Sao Tome and Principe's population is 2.35 times bigger than Tonga's.
  • Sao Tome and Principe is ranked the 176th most populous country in the world, while Tonga is the 183rd.
  • The countries together account for 0.004% of the world: 0.003% for Sao Tome and Principe vs 0.001% for Tonga.
  • For the last 10 years, Sao Tome and Principe has had an average growth rate of +1.82% per year vs -0.25% in Tonga.
  • Since 2005, the population of Sao Tome and Principe has increased from 162K people to 244K (51% growth), while Tonga has declined from 106K to 104K (1.82% decline).
  • Sao Tome and Principe is projected to reach its peak in 2100 at 534K people compared to the peak of 118K people in 2100 for Tonga.

Sao Tome and Principe vs Tonga: live population counter

Sao Tome Tonga
Current population
244055
103744
Population rank 176/197 183/197
Percent of world population 0.003% 0.001%
One net population change
1.88 hours
20.8 hours
One birth every
1.35 hours
3.62 hours
One death every
6.81 hours
13 hours
One migration net change every
14.5 hours
4.08 hours
Annual migration change -604 -2,149
Daily growth/decline +13 -1
Annual growth/decline +4,665 -422
Annual growth/decline rate +2.02% -0.4%
Population growth rate rank 52/197 181/197

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

Sao Tome and Principe
Population

Growth rate
Tonga
Population

Growth rate
Year Population Growth rate
Sao Tome Tonga Sao Tome Tonga
1960 68,012 66,170 - -
1961 68,707 68,037 1.02% 2.82%
1962 69,403 69,940 1.01% 2.8%
1963 70,112 71,885 1.02% 2.78%
1964 70,865 73,879 1.07% 2.77%
1965 71,680 75,924 1.15% 2.77%
1966 72,576 78,002 1.25% 2.74%
1967 73,596 79,814 1.41% 2.32%
1968 74,765 81,353 1.59% 1.93%
1969 76,083 82,885 1.76% 1.88%
1970 77,626 84,401 2.03% 1.83%
1971 79,330 85,896 2.2% 1.77%
1972 81,041 87,356 2.16% 1.7%
1973 82,798 88,805 2.17% 1.66%
1974 84,672 90,683 2.26% 2.11%
1975 86,708 93,017 2.4% 2.57%
1976 88,922 95,325 2.55% 2.48%
1977 91,301 96,725 2.68% 1.47%
1978 93,794 97,204 2.73% 0.5%
1979 96,252 97,544 2.62% 0.35%
1980 98,544 97,769 2.38% 0.23%
1981 100,615 97,909 2.1% 0.14%
1982 102,508 97,980 1.88% 0.07%
1983 104,380 97,998 1.83% 0.02%
1984 106,394 97,990 1.93% -0.008%
1985 108,658 97,984 2.13% -0.006%
1986 111,150 98,010 2.29% 0.03%
1987 113,919 98,376 2.49% 0.37%
1988 116,939 98,969 2.65% 0.6%
1989 119,979 99,403 2.6% 0.44%
1990 122,980 99,700 2.5% 0.3%
1991 125,697 99,895 2.21% 0.2%
1992 128,110 100,022 1.92% 0.13%
1993 130,467 100,103 1.84% 0.08%
1994 132,732 100,166 1.74% 0.06%
1995 134,895 100,225 1.63% 0.06%
1996 136,962 100,275 1.53% 0.05%
1997 138,922 100,674 1.43% 0.4%
1998 140,751 101,388 1.32% 0.71%
1999 142,442 102,046 1.2% 0.65%
2000 144,018 102,677 1.11% 0.62%
2001 146,375 103,288 1.64% 0.6%
2002 149,922 103,874 2.42% 0.57%
2003 153,814 104,464 2.6% 0.57%
2004 157,705 105,071 2.53% 0.58%
2005 161,639 105,671 2.49% 0.57%
2006 165,638 106,253 2.47% 0.55%
2007 169,700 106,726 2.45% 0.45%
2008 173,793 107,020 2.41% 0.28%
2009 177,853 107,203 2.34% 0.17%
2010 181,802 107,400 2.22% 0.18%
2011 185,649 107,570 2.12% 0.16%
2012 189,439 107,460 2.04% -0.1%
2013 193,148 107,078 1.96% -0.36%
2014 196,767 106,609 1.87% -0.44%
2015 200,291 106,095 1.79% -0.48%
2016 203,689 105,524 1.7% -0.54%
2017 206,970 105,356 1.61% -0.16%
2018 210,187 105,567 1.55% 0.2%
2019 213,392 105,669 1.52% 0.1%
2020 217,435 105,704 1.89% 0.03%
2021 221,961 105,490 2.08% -0.2%
2022 226,305 105,042 1.96% -0.42%
2023 230,871 104,597 2.02% -0.42%
2024 235,536 104,175 2.02% -0.4%
2025 240,251 103,744 2% -0.41%
2026 244,987 103,290 1.97% -0.44%
2027 249,783 102,899 1.96% -0.38%
2028 254,657 102,568 1.95% -0.32%
2029 259,597 102,280 1.94% -0.28%
2030 264,560 102,069 1.91% -0.21%
2031 269,566 101,927 1.89% -0.14%
2032 274,643 101,837 1.88% -0.09%
2033 279,761 101,807 1.86% -0.03%
2034 284,911 101,806 1.84% -0.001%
2035 290,082 101,833 1.81% 0.03%
2036 295,269 101,895 1.79% 0.06%
2037 300,439 101,993 1.75% 0.1%
2038 305,590 102,173 1.71% 0.18%
2039 310,729 102,367 1.68% 0.19%
2040 315,833 102,568 1.64% 0.2%
2041 320,875 102,805 1.6% 0.23%
2042 325,888 103,038 1.56% 0.23%
2043 330,908 103,306 1.54% 0.26%
2044 335,919 103,612 1.51% 0.3%
2045 340,911 103,928 1.49% 0.3%
2046 345,883 104,232 1.46% 0.29%
2047 350,758 104,502 1.41% 0.26%
2048 355,569 104,744 1.37% 0.23%
2049 360,353 104,975 1.35% 0.22%
2050 365,103 105,193 1.32% 0.21%

From 2005 to 2015, the population of Sao Tome and Principe increased by 38,652 people (a 23.9% growth), while Tonga gained 424 people (a 0.4% growth).

For the next 10 years, from 2015 to 2025, Sao Tome and Principe gained 43,764 (a 21.9% growth), while Tonga's population decreased by -2,351 (a 2.22% decline).

Sao Tome and Principe was ranked 178th most populous country in 2005 and is 176th in 2025. Tonga was ranked 182nd in 2005 and ranked 183rd 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 Tonga will increase by 1.4% to 105,193 people and will still be ranked 183rd.

Biggest cities by population

Sao Tome
City Population
Sao Tome 65.5K
Trindade 6.64K
Tonga
City Population
Nukualofa 23.2K
Mua 5K

Compare countries by 7 more topics

Population map with other countries

Population

Growth rate visualization in other countries

Growth rate

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