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Sao Tome and Principe vs Tonga statistics compared

Updated on by Georank team

Sao Tome and Principe has a population of 236K (ranked 176/197), compared with 104K in Tonga (ranked 183/197). Sao Tome and Principe's land area is 371 sq mi versus 278 sq mi for Tonga (ranked 172nd vs. 176th).

By GDP, Sao Tome and Principe ranks 189/197 ($822M) and Tonga ranks 191/197 ($591M). By GDP per capita, Sao Tome and Principe ranks 134/197 ($3,491), while Tonga ranks 115/197 ($5,652).

Main facts and rankings

Sao Tome Tonga
Population
246362
103309
Population rank 176/197 183/197
GDP
$822M
2024
$591M
2023
GDP rank 189/197 191/197
GDP per capita
$3,491
2024
$5,652
2023
GDP per capita rank 134/197 115/197
GDP per capita, PPP
$6,242
2024
$7,803
2023
Government debt
$533M
2024
$256M
2023
Debt-to-GDP ratio
64.8%
2024
37%
2024
Government debt per person
$2,262
2024
$2,445
2023
Government debt per person rank 116/185 111/185
Average annual personal income after taxes
$3,111
2026
$3,886
2026
Land area 371 sq mi 278 sq mi
Population density
661 ppl/mi²
2026
372 ppl/mi²
2026
Fertility rate
3.64
2023
3.13
2023
Median age
20.3 years
2024
21.9 years
2024
Life expectancy
70.3 years
2026
73.4 years
2026

Sao Tome and Principe and Tonga: Comparison Charts

Sao Tome and Principe and Tonga economies compared

GDP
Sao Tome and Principe

Tonga
1x
Year GDP
Sao Tome Tonga
2024 $822,154,621 -
2023 $690,456,807 $591,139,749
2022 $540,809,499 $556,514,555
2021 $524,402,456 $519,306,353
2020 $471,229,485 $506,571,468
2019 $412,976,083 $506,031,239
2018 $383,717,328 $493,530,783
2017 $322,002,845 $459,976,850
2016 $292,267,272 $420,828,262
2015 $259,999,643 $437,525,514
2014 $293,119,143 $440,997,738
2013 $267,041,748 $451,788,498
2012 $225,815,132 $471,122,971
2011 $226,455,001 $414,143,828
2010 $190,021,192 $366,887,375
2009 $200,668,065 $312,415,028
2008 $188,021,165 $344,438,844
2007 $149,146,919 $298,519,623
2006 $142,775,104 $292,232,703
2005 $136,450,662 $261,823,805
2004 $114,582,284 $230,678,011
2003 $102,085,769 $202,246,591
2002 $85,171,074 $182,764,281
2001 $75,951,133 $181,117,230
2000 $76,198,395 $204,848,488
1999 $77,302,212 $199,208,718
1998 $72,285,404 $191,504,893
1997 $91,920,274 $214,991,452
1996 $135,188,166 $222,100,576
1995 $103,695,237 $208,871,666
1994 $131,338,415 $195,990,986
1993 $125,742,229 $138,489,884
1992 $94,861,781 $137,066,291
1991 $107,484,143 $132,201,141
1990 $119,297,933 $113,563,822
1989 $98,545,367 $106,344,855
1988 $99,000,764 $106,657,267
1987 $115,952,925 $81,667,133
1986 $115,928,907 $68,195,856
1985 $82,733,069 $60,058,663
1984 $78,213,796 $64,248,355
1983 $75,110,289 $60,863,964
1982 $80,307,763 $62,068,161
1981 $83,499,264 $62,242,013
1980 $81,662,231 $53,260,077
1979 $65,755,928 $44,667,002
1978 $55,044,563 $41,567,472
1977 $49,207,692 $34,139,388
1976 $52,039,421 $30,036,417
1975 $60,101,710 $32,506,742
1974 $57,817,591 -
1973 $56,011,245 -
1972 $41,430,257 -
1971 $37,288,845 -
1970 $37,211,826 -

Data sources: World Bank | Economy & Growth (1970–2024, retrieved 2026-04-06).

GeoRank.org/facts/sao-tome-and-principe/tonga | CC BY

Sao Tome and Principe and Tonga economies compared

GDP per capita
Sao Tome and Principe

Tonga
1x
Year GDP per capita
Sao Tome Tonga
2024 $3,491 -
2023 $2,991 $5,652
2022 $2,390 $5,298
2021 $2,363 $4,923
2020 $2,167 $4,792
2019 $1,935 $4,789
2018 $1,826 $4,675
2017 $1,556 $4,366
2016 $1,435 $3,988
2015 $1,298 $4,124
2014 $1,490 $4,137
2013 $1,383 $4,219
2012 $1,192 $4,384
2011 $1,220 $3,850
2010 $1,045 $3,416
2009 $1,128 $2,914
2008 $1,082 $3,218
2007 $879 $2,797
2006 $862 $2,750
2005 $844 $2,478
2004 $727 $2,195
2003 $664 $1,936
2002 $568 $1,759
2001 $519 $1,754
2000 $529 $1,995
1999 $543 $1,952
1998 $514 $1,889
1997 $662 $2,136
1996 $987 $2,215
1995 $769 $2,084
1994 $990 $1,957
1993 $964 $1,383
1992 $740 $1,370
1991 $855 $1,323
1990 $970 $1,139
1989 $821 $1,070
1988 $847 $1,078
1987 $1,018 $830
1986 $1,043 $696
1985 $761 $613
1984 $735 $656
1983 $720 $621
1982 $783 $633
1981 $830 $636
1980 $829 $545
1979 $683 $458
1978 $587 $428
1977 $539 $353
1976 $585 $315
1975 $693 $349
1974 $683 -
1973 $676 -
1972 $511 -
1971 $470 -
1970 $479 -

Data sources: World Bank | Economy & Growth (1970–2024, retrieved 2026-04-06).

GeoRank.org/facts/sao-tome-and-principe/tonga | CC BY

Sao Tome and Principe vs. Tonga life expectancy calculator

Life expectancy
Sao Tome and Principe

Tonga
1x
Year Life expectancy, years
Sao Tome Tonga
2026 70.3 73.4
2025 70.1 73.2
2024 69.9 73.1
2023 69.7 72.9
2022 69.2 72.6
2021 68 72.1
2020 68 72.4
2019 68 72.3
2018 67.6 72.2
2017 67.1 72.1
2016 66.6 72
2015 66 71.9
2014 65.5 71.7
2013 64.9 71.6
2012 64.5 71.5
2011 64.1 71.4
2010 63.9 71.3
2009 63.7 70.9
2008 63.4 71
2007 63.3 70.9
2006 63 70.7
2005 62.4 70.6
2004 62.6 70.4
2003 62.2 70.2
2002 61.8 70
2001 61.5 69.8
2000 61.2 69.6
1999 61 69.4
1998 60.8 69.2
1997 60.6 69
1996 60.6 68.8
1995 60.5 68.6
1994 60.6 68.4
1993 60.6 68.2
1992 60.7 67.9
1991 60.8 67.7
1990 60.7 67.5
1989 59.7 67.4
1988 60.8 67.3
1987 60.7 67.2
1986 57.6 67.1
1985 60.1 66.9
1984 59.9 66.8
1983 59.7 66.7
1982 59.5 66.3
1981 59.4 66.4
1980 59.4 66.2
1979 59.3 66
1978 59.1 65.9
1977 59 65.6
1976 58.8 65.4
1975 58.6 65.1
1974 58.3 64.8
1973 57.9 64.4
1972 57.4 64.1
1971 57 63.6
1970 56.3 63.2
1969 55.4 62.7
1968 54.5 62.2
1967 53.4 61.7
1966 52.3 61.2
1965 51.1 60.7
1964 49.7 60.3
1963 48.4 59.8
1962 46.8 59.3
1961 45.2 58.8
1960 43.6 58.3
1959 42.1 57.8
1958 41 57.2
1957 40.1 56.5
1956 39.5 55.7
1955 39.3 54.7
1954 39.2 53.6
1953 39.1 52.4
1952 39.1 51.2
1951 39.1 49.8
1950 39.1 48.4

Data sources: United Nations | World Population Prospects (1950–2026, retrieved 2026-03-10).

GeoRank.org/facts/sao-tome-and-principe/tonga | CC BY

Sao Tome and Principe and Tonga population clocks and comparison

Population
Sao Tome and Principe

Tonga
1x
Year Population
Sao Tome Tonga
2024 235,536 104,175
2023 230,871 104,597
2022 226,305 105,042
2021 221,961 105,490
2020 217,435 105,704
2019 213,392 105,669
2018 210,187 105,567
2017 206,970 105,356
2016 203,689 105,524
2015 200,291 106,095
2014 196,767 106,609
2013 193,148 107,078
2012 189,439 107,460
2011 185,649 107,570
2010 181,802 107,400
2009 177,853 107,203
2008 173,793 107,020
2007 169,700 106,726
2006 165,638 106,253
2005 161,639 105,671
2004 157,705 105,071
2003 153,814 104,464
2002 149,922 103,874
2001 146,375 103,288
2000 144,018 102,677
1999 142,442 102,046
1998 140,751 101,388
1997 138,922 100,674
1996 136,962 100,275
1995 134,895 100,225
1994 132,732 100,166
1993 130,467 100,103
1992 128,110 100,022
1991 125,697 99,895
1990 122,980 99,700
1989 119,979 99,403
1988 116,939 98,969
1987 113,919 98,376
1986 111,150 98,010
1985 108,658 97,984
1984 106,394 97,990
1983 104,380 97,998
1982 102,508 97,980
1981 100,615 97,909
1980 98,544 97,769
1979 96,252 97,544
1978 93,794 97,204
1977 91,301 96,725
1976 88,922 95,325
1975 86,708 93,017
1974 84,672 90,683
1973 82,798 88,805
1972 81,041 87,356
1971 79,330 85,896
1970 77,626 84,401
1969 76,083 82,885
1968 74,765 81,353
1967 73,596 79,814
1966 72,576 78,002
1965 71,680 75,924
1964 70,865 73,879
1963 70,112 71,885
1962 69,403 69,940
1961 68,707 68,037
1960 68,012 66,170

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/facts/sao-tome-and-principe/tonga | CC BY

Fertility rates in Sao Tome and Principe and Tonga

Fertility rate
Sao Tome and Principe

Tonga
1x
Year Fertility rate
Sao Tome Tonga
2023 3.64 3.13
2022 3.7 3.17
2021 3.76 3.2
2020 3.83 3.23
2019 3.9 3.27
2018 3.98 3.33
2017 4.07 3.39
2016 4.2 3.46
2015 4.35 3.54
2014 4.49 3.62
2013 4.58 3.7
2012 4.66 3.77
2011 4.72 3.83
2010 4.77 3.88
2009 4.84 3.95
2008 4.91 4.01
2007 4.96 4.09
2006 4.93 4.14
2005 4.94 4.2
2004 4.96 4.19
2003 5.01 4.18
2002 5.06 4.14
2001 5.1 4.13
2000 5.16 4.16
1999 5.23 4.23
1998 5.3 4.31
1997 5.4 4.38
1996 5.47 4.46
1995 5.55 4.56
1994 5.56 4.66
1993 5.64 4.73
1992 5.7 4.79
1991 5.77 4.85
1990 5.83 4.93
1989 5.88 5.01
1988 5.94 5.1
1987 5.99 5.19
1986 6.05 5.27
1985 6.1 5.34
1984 6.16 5.41
1983 6.22 5.45
1982 6.28 5.5
1981 6.33 5.55
1980 6.39 5.6
1979 6.43 5.65
1978 6.47 5.68
1977 6.5 5.7
1976 6.52 5.73
1975 6.53 5.75
1974 6.53 5.77
1973 6.53 5.8
1972 6.51 5.86
1971 6.49 5.96
1970 6.47 6.07
1969 6.44 6.17
1968 6.42 6.23
1967 6.39 6.29
1966 6.37 6.35
1965 6.35 6.41
1964 6.33 6.46
1963 6.31 6.52
1962 6.28 6.57
1961 6.26 6.61
1960 6.24 6.65

Data sources: World Bank | Health (1960–2023, retrieved 2026-04-06).

GeoRank.org/facts/sao-tome-and-principe/tonga | CC BY

Sao Tome and Principe and Tonga demographics compared

Median age
Sao Tome and Principe

Tonga
1x
Year Median age, years
Sao Tome Tonga
2024 20.3 21.9
2023 20.1 21.9
2022 19.9 22
2021 19.7 22.1
2020 19.5 22.1
2019 19.4 22
2018 19.3 22
2017 19.1 21.9
2016 19 21.9
2015 19 21.8
2014 18.9 21.7
2013 18.9 21.6
2012 18.9 21.4
2011 18.9 21.2
2010 18.8 21.2
2009 18.7 21.1
2008 18.7 21
2007 18.7 20.9
2006 18.6 20.8
2005 18.5 20.8
2004 18.4 20.8
2003 18.3 20.8
2002 18.1 20.7
2001 18 20.5
2000 17.9 20.3
1999 17.7 20.1
1998 17.5 19.9
1997 17.4 19.7
1996 17.3 19.6
1995 17.3 19.6
1994 17.2 19.6
1993 17.2 19.6
1992 17.3 19.5
1991 17.3 19.3
1990 17.4 19.1
1989 17.4 18.9
1988 17.4 18.6
1987 17.4 18.3
1986 17.4 18.2
1985 17.4 18.1
1984 17.4 18
1983 17.4 17.9
1982 17.4 17.8
1981 17.4 17.6
1980 17.3 17.4
1979 17.3 17.3
1978 17.2 17.1
1977 17.2 16.8
1976 17.1 16.7
1975 17.1 16.7
1974 17.1 16.8
1973 17 16.8
1972 17 16.7
1971 16.9 16.7
1970 16.9 16.8
1969 17.2 16.8
1968 17.7 16.9
1967 18.5 17
1966 19.5 17
1965 21 17
1964 22.4 17
1963 23.5 17
1962 24.1 17.1
1961 24.3 17.1
1960 24.2 17.1

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/facts/sao-tome-and-principe/tonga | CC BY

Interactive Maps

Use the buttons below to switch between world maps comparing statistics for Sao Tome and Principe and Tonga.

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National statistics comparison

Finance

Sao Tome Tonga
GNI, Atlas method
$671M
2024
$619M
2023
Government expenditure, % of GDP
24.7%
2024
51.3%
2024
Education expenditure, % of GDP
5.03%
2023
5.15%
2023
Armed forces personnel
1,000
1999
n/a
Deficit/surplus, % of GDP
+0.92%
2024
+4.17%
2024
Unemployment rate
6.66%
2017
1.65%
2023
Services, % of GDP
80.3%
2024
50%
2023
Industry, % of GDP
2.83%
2024
14.9%
2023
Economic freedom index
60.6
2026
58.9
2026
Income share by richest 10%
32.8%
2017
22%
2021
Income share by poorest 10%
2.6%
2017
4%
2021
Total reserves including gold
$46.2M
2023
$377M
2024
Personal remittances received
$80.1M
2024
$254M
2024
International tourist arrivals
33,400
2018
94,000
2019
International tourism as share of exports
73.2%
2018
50.3%
2020

Energy

Sao Tome Tonga
Energy use, kg of oil equivalent per capita
259.3 kg
2007
543 kg
2007
GDP PPP per kg equivalent of energy use
$10.2
2007
$7.94
2007
Carbon dioxide (CO2) emissions
0.15 megatons
2024
0.17 megatons
2024
CO2 emissions per capita
0.63 tons
2024
1.63 tons
2024
Fossil fuel energy use share
0%
2007
0%
2007
Renewable energy use share
42.5%
2022
2.3%
2022
Renewable electricity output share
6.06%
2021
14.2%
2021
Hydroelectric share
5.85%
2021
0%
2021
Nuclear share
0%
2021
0%
2021
Electricity access
81.3%
2023
100%
2023

Society

Sao Tome Tonga
% of world population
0.003%
2024
0.001%
2024
Annual migration change
-650
2025
-2,150
2025
Urban population
68.9%
2024
21.2%
2024
Male:Female ratio
49.7:50.3
2024
47.2:52.8
2024
Average male height
5.59 ft
2025
5.74 ft
2025
Average female height
5.24 ft
2025
5.45 ft
2025
Quality of life index
32.3
2026
45.5
2026
Corruption Perceptions Index
45
2025
50
2025
Homicides per 100K people
3.23
2011
0.95
2019
Road traffic mortality per 100K people
27.9
2019
33
2019
Visa free countries
70
2025
126
2025
Adult literacy rate
93.8%
2022
99.4%
2021
English speaking
4.9%
2025
30%
2023
People using the Internet
61.5%
2023
58.5%
2023

Health

Sao Tome Tonga
Government health expenditure per capita
$171.1
2023
$358
2023
Out-of-pocket health expenditure per capita
$28.5
2023
$21
2023
Life expectancy
70.3 years
2026
73.4 years
2026
Foreign aid share of health expenditure
43.9%
2023
44.2%
2023
Physicians per 1,000 people
0.46
2022
1.01
2021
Age at first childbirth
19.4 years
2025
24.9 years
2025
Maternal mortality per 100K births
75
2023
67
2023
Mortality rate before reaching 5 years of age
13.9
2023
9.9
2023
Obesity rate
17.2%
2022
72.4%
2022
Diabetes prevalence
12.1%
2024
19.6%
2024
Air quality index
24
2026
91
2026
Tobacco use prevalence
7.8%
2022
31.3%
2022
Pure alcohol consumption per capita
4.79 liters
2020
0.36 liters
2020

Territory

Sao Tome Tonga
% of world land
0.0006%
2026
0.0005%
2026
Land area per capita
1,574 sq mi
2024
2,669 sq mi
2024
Agricultural land area
166 sq mi
2026
135.1 sq mi
2026
Forest area
193.2 sq mi
2026
34.6 sq mi
2026
Roads length
808 mi
2018
423 mi
2011

In-depth comparisons

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1950–2026, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Central Intelligence Agency (CIA) (2000–2025, retrieved 2026-02-20)
  5. International Monetary Fund (IMF) | Fiscal Monitor (2023–2024, retrieved 2026-02-20)
  6. LivingCost (2026, retrieved 2025-10-14)
  7. World Obesity Federation (2022, retrieved 2026-02-08)
  8. Passport Index (2025, retrieved 2026-02-08)
  9. The Heritage Foundation | Economic Freedom Index (2026, retrieved 2026-03-09)
  10. Transparency International (2025, retrieved 2026-02-10)

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