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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 ($764M) and Tonga ranks 191/197 ($509M). By GDP per capita, Sao Tome and Principe ranks 138/197 ($3,245), while Tonga ranks 121/197 ($4,864).

Main facts and rankings

Sao Tome Tonga
Population
244055
103744
Population rank 176/197 183/197
GDP
$764M
2024
$509M
2023
GDP rank 189/197 191/197
GDP per capita
$3,245
2024
$4,864
2023
GDP per capita rank 138/197 121/197
GDP per capita, PPP
$6,230
2024
$7,853
2023
Government debt
$332M
2024
$224M
2023
Debt-to-GDP ratio
37.3%
2025
44.1%
2025
Government debt per person
$1,410
2024
$2,138
2023
Government debt per person rank 133/185 117/185
Average annual personal income after taxes
$2,715
2025
$4,126
2025
Land area
371 sq mi
2025
278 sq mi
2025
Population density
635 ppl/mi²
2024
375 ppl/mi²
2024
Fertility rate
3.64
2023
3.13
2023
Median age
20.3 years
2024
21.9 years
2024
Life expectancy
70.1 years
2025
73.2 years
2025

Sao Tome and Principe and Tonga: Comparison Charts

Sao Tome and Principe and Tonga economies compared

GDP
Sao Tome and Principe

Tonga
Year GDP
Sao Tome Tonga
1970 $37,211,826 -
1971 $37,288,845 -
1972 $41,430,257 -
1973 $56,011,245 -
1974 $57,817,591 -
1975 $60,101,710 $32,506,742
1976 $52,039,421 $30,036,417
1977 $49,207,692 $34,139,388
1978 $55,044,563 $41,567,472
1979 $65,755,928 $44,667,002
1980 $81,662,231 $53,260,077
1981 $83,499,264 $62,242,013
1982 $80,307,763 $62,068,161
1983 $75,110,289 $60,863,964
1984 $78,213,796 $64,248,355
1985 $82,733,069 $60,058,663
1986 $115,928,907 $68,195,856
1987 $115,952,925 $81,667,133
1988 $99,000,764 $106,657,267
1989 $98,545,367 $106,344,855
1990 $119,297,933 $113,563,822
1991 $107,484,143 $132,201,141
1992 $94,861,781 $137,066,291
1993 $125,742,229 $138,489,884
1994 $131,338,415 $195,990,986
1995 $103,695,237 $208,871,666
1996 $135,188,166 $222,100,576
1997 $91,920,274 $214,991,452
1998 $72,285,404 $191,504,893
1999 $77,302,212 $199,208,718
2000 $76,198,395 $204,848,488
2001 $75,951,133 $181,117,230
2002 $85,171,074 $182,764,281
2003 $102,085,769 $202,246,591
2004 $114,582,284 $230,678,011
2005 $136,450,662 $261,823,805
2006 $142,775,104 $292,232,703
2007 $149,146,919 $298,519,623
2008 $188,021,165 $344,438,844
2009 $200,668,065 $312,415,028
2010 $190,021,192 $366,887,375
2011 $226,455,001 $414,143,828
2012 $229,371,348 $471,122,971
2013 $267,041,748 $451,788,498
2014 $293,119,143 $440,997,735
2015 $259,999,643 $437,525,539
2016 $292,267,272 $420,828,255
2017 $322,002,845 $459,976,847
2018 $383,717,328 $489,714,530
2019 $412,976,083 $494,197,854
2020 $471,229,485 $496,856,304
2021 $524,402,456 $518,228,029
2022 $540,809,499 $518,180,029
2023 $678,976,265 $508,735,107
2024 $764,274,043 -

Sao Tome and Principe and Tonga economies compared

GDP per capita
Sao Tome and Principe

Tonga
Year GDP per capita
Sao Tome Tonga
1970 $479 -
1971 $470 -
1972 $511 -
1973 $676 -
1974 $683 -
1975 $693 $349
1976 $585 $315
1977 $539 $353
1978 $587 $428
1979 $683 $458
1980 $829 $545
1981 $830 $636
1982 $783 $633
1983 $720 $621
1984 $735 $656
1985 $761 $613
1986 $1,043 $696
1987 $1,018 $830
1988 $847 $1,078
1989 $821 $1,070
1990 $970 $1,139
1991 $855 $1,323
1992 $740 $1,370
1993 $964 $1,383
1994 $990 $1,957
1995 $769 $2,084
1996 $987 $2,215
1997 $662 $2,136
1998 $514 $1,889
1999 $543 $1,952
2000 $529 $1,995
2001 $519 $1,754
2002 $568 $1,759
2003 $664 $1,936
2004 $727 $2,195
2005 $844 $2,478
2006 $862 $2,750
2007 $879 $2,797
2008 $1,082 $3,218
2009 $1,128 $2,914
2010 $1,045 $3,416
2011 $1,220 $3,850
2012 $1,211 $4,384
2013 $1,383 $4,219
2014 $1,490 $4,137
2015 $1,298 $4,124
2016 $1,435 $3,988
2017 $1,556 $4,366
2018 $1,826 $4,639
2019 $1,935 $4,677
2020 $2,167 $4,700
2021 $2,363 $4,913
2022 $2,390 $4,933
2023 $2,941 $4,864
2024 $3,245 -

Sao Tome and Principe vs. Tonga life expectancy calculator

Life expectancy
Sao Tome and Principe

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

Sao Tome and Principe and Tonga population clocks and comparison

Population
Sao Tome and Principe

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

Fertility rates in Sao Tome and Principe and Tonga

Fertility rate
Sao Tome and Principe

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

Sao Tome and Principe and Tonga demographics compared

Median age
Sao Tome and Principe

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

Interactive Maps

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

GDP per capita

GDP

Life expectancy

Population

Population density

Fertility rate

Median age

Land area

National statistics comparison

Finance

Sao Tome Tonga
GNI, Atlas method
$653M
2024
$578M
2023
Government expenditure, % of GDP
24.5%
2025
49.7%
2025
Education expenditure, % of GDP
5.03%
2023
5.15%
2023
Armed forces personnel
1,000
1999
n/a
Deficit/surplus, % of GDP
+2.56%
2025
-7.9%
2025
Unemployment rate
8.81%
2017
1.65%
2023
Services, % of GDP
76.6%
2024
50.2%
2023
Industry, % of GDP
2.91%
2024
13.5%
2023
Economic freedom index
60.4
2025
58.5
2025
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
$10M
2024
$257M
2024
International tourist arrivals
33,400
2018
94,000
2019
International tourism as share of exports
73.2%
2018
47.8%
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
0.21 megatons
2023
0.22 megatons
2023
CO2 emissions per capita
0.93 tons
2023
2.1 tons
2023
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
-604
2024
-2,149
2024
Urban population
77%
2024
23.2%
2024
Male:Female ratio
50:50
2024
50:50
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
32.1
2025
42.6
2025
Corruption Perceptions Index
45
2024
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
71
2025
127
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
$180.3
2022
$378
2022
Out-of-pocket health expenditure per capita
$21.6
2022
$11.1
2022
Life expectancy
70.1 years
2025
73.2 years
2025
Foreign aid share of health expenditure
30.9%
2022
45.7%
2022
Physicians per 1,000 people
0.49
2019
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, per 1,000 live births
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
2025
91
2025
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%
2025
0.0005%
2025
Land area per capita
1,574 sq mi
2024
2,669 sq mi
2024
Agricultural land area
166 sq mi
2025
135.1 sq mi
2025
Forest area
193.2 sq mi
2025
34.6 sq mi
2025
Roads length
808 mi
2018
423 mi
2011

In-depth comparisons

Facts comparisons

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