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Solomon Islands vs Tonga statistics compared

Updated on by Georank team

The Solomon Islands has a population of 819K (ranked 162/197), compared with 104K in Tonga (ranked 183/197). The Solomon Islands' land area is 10,807 sq mi versus 278 sq mi for Tonga (ranked 141st vs. 176th).

By GDP, The Solomon Islands ranks 182/197 ($1.76B) and Tonga ranks 191/197 ($509M). By GDP per capita, The Solomon Islands ranks 153/197 ($2,149), while Tonga ranks 121/197 ($4,864).

Main facts and rankings

Solomon Islands Tonga
Population
854419
103744
Population rank 161/197 183/197
GDP
$1.76B
2024
$509M
2023
GDP rank 182/197 191/197
GDP per capita
$2,149
2024
$4,864
2023
GDP per capita rank 153/197 121/197
GDP per capita, PPP
$2,872
2024
$7,853
2023
Government debt
$388M
2024
$224M
2023
Debt-to-GDP ratio
23.7%
2025
44.1%
2025
Government debt per person
$473
2024
$2,138
2023
Government debt per person rank 169/185 117/185
Average annual personal income after taxes
$2,069
2025
$4,126
2025
Land area
10,807 sq mi
2025
278 sq mi
2025
Population density
75.8 ppl/mi²
2024
375 ppl/mi²
2024
Fertility rate
3.56
2023
3.13
2023
Median age
21.5 years
2024
21.9 years
2024
Life expectancy
70.8 years
2025
73.2 years
2025

Solomon Islands and Tonga: Comparison Charts

Solomon Islands and Tonga economies compared

GDP
Solomon Islands

Tonga
Year GDP
Solomon Islands Tonga
1967 $25,203,524 -
1968 $28,084,253 -
1969 $28,606,411 -
1970 - -
1971 $50,056,883 -
1972 $40,606,712 -
1973 $55,272,109 -
1974 $84,539,332 -
1975 $74,620,320 $32,506,742
1976 $83,100,834 $30,036,417
1977 $93,145,283 $34,139,388
1978 $111,027,427 $41,567,472
1979 $151,276,496 $44,667,002
1980 $182,852,107 $53,260,077
1981 $193,750,541 $62,242,013
1982 $192,902,019 $62,068,161
1983 $181,220,399 $60,863,964
1984 $181,570,474 $64,248,355
1985 $165,524,943 $60,058,663
1986 $147,620,048 $68,195,856
1987 $155,128,542 $81,667,133
1988 $176,494,394 $106,657,267
1989 $172,882,411 $106,344,855
1990 $214,877,667 $113,563,822
1991 $227,540,473 $132,201,141
1992 $269,034,596 $137,066,291
1993 $300,746,361 $138,489,884
1994 $402,837,005 $195,990,986
1995 $469,443,202 $208,871,666
1996 $510,586,430 $222,100,576
1997 $526,554,006 $214,991,452
1998 $457,579,840 $191,504,893
1999 $488,024,514 $199,208,718
2000 $419,842,674 $204,848,488
2001 $409,508,553 $181,117,230
2002 $346,406,739 $182,764,281
2003 $417,668,983 $202,246,591
2004 $468,005,319 $230,678,011
2005 $552,864,570 $261,823,805
2006 $617,258,154 $292,232,703
2007 $695,295,348 $298,519,623
2008 $776,337,692 $344,438,844
2009 $805,557,563 $312,415,028
2010 $898,133,685 $366,887,375
2011 $1,063,895,361 $414,143,828
2012 $1,185,215,418 $471,122,971
2013 $1,285,911,586 $451,788,498
2014 $1,335,571,421 $440,997,735
2015 $1,307,909,888 $437,525,539
2016 $1,379,490,304 $420,828,255
2017 $1,469,789,119 $459,976,847
2018 $1,615,478,393 $489,714,530
2019 $1,619,155,017 $494,197,854
2020 $1,536,145,814 $496,856,304
2021 $1,522,794,913 $518,228,029
2022 $1,566,360,686 $518,180,029
2023 $1,660,896,531 $508,735,107
2024 $1,760,767,447 -

Solomon Islands and Tonga economies compared

GDP per capita
Solomon Islands

Tonga
Year GDP per capita
Solomon Islands Tonga
1967 $153.5 -
1968 $166.9 -
1969 $165.9 -
1970 $162 -
1971 $277.1 -
1972 $219.5 -
1973 $291.3 -
1974 $433 -
1975 $372 $349
1976 $401 $315
1977 $434 $353
1978 $500 $428
1979 $658 $458
1980 $768 $545
1981 $786 $636
1982 $756 $633
1983 $686 $621
1984 $665 $656
1985 $586 $613
1986 $506 $696
1987 $515 $830
1988 $567 $1,078
1989 $538 $1,070
1990 $648 $1,139
1991 $666 $1,323
1992 $764 $1,370
1993 $829 $1,383
1994 $1,078 $1,957
1995 $1,220 $2,084
1996 $1,289 $2,215
1997 $1,292 $2,136
1998 $1,092 $1,889
1999 $1,134 $1,952
2000 $953 $1,995
2001 $912 $1,754
2002 $757 $1,759
2003 $896 $1,936
2004 $986 $2,195
2005 $1,144 $2,478
2006 $1,256 $2,750
2007 $1,390 $2,797
2008 $1,526 $3,218
2009 $1,555 $2,914
2010 $1,685 $3,416
2011 $1,924 $3,850
2012 $2,066 $4,384
2013 $2,161 $4,219
2014 $2,165 $4,137
2015 $2,045 $4,124
2016 $2,083 $3,988
2017 $2,144 $4,366
2018 $2,278 $4,639
2019 $2,224 $4,677
2020 $2,063 $4,700
2021 $1,997 $4,913
2022 $2,005 $4,933
2023 $2,076 $4,864
2024 $2,149 -

Solomon Islands vs. Tonga life expectancy calculator

Life expectancy
Solomon Islands

Tonga
Year Life expectancy, years
Solomon Islands Tonga
1950 41.4 48.4
1951 42 49.8
1952 42.6 51.2
1953 43.2 52.4
1954 43.7 53.6
1955 44.3 54.7
1956 42.8 55.7
1957 45.7 56.5
1958 46.3 57.2
1959 47 57.8
1960 47.7 58.3
1961 48.3 58.8
1962 49 59.3
1963 49.8 59.8
1964 50.6 60.3
1965 51.4 60.7
1966 52.3 61.2
1967 53.1 61.7
1968 54.1 62.2
1969 55.1 62.7
1970 56.1 63.2
1971 57 63.6
1972 57.9 64.1
1973 58.8 64.4
1974 59.6 64.8
1975 58.4 65.1
1976 61.2 65.4
1977 61.5 65.6
1978 62.5 65.9
1979 63.1 66
1980 63.7 66.2
1981 64.1 66.4
1982 64.5 66.3
1983 64.8 66.7
1984 65 66.8
1985 65.3 66.9
1986 64.7 67.1
1987 65.7 67.2
1988 65.9 67.3
1989 66.1 67.4
1990 66.2 67.5
1991 66.4 67.7
1992 66.5 67.9
1993 66.6 68.2
1994 66.7 68.4
1995 66.7 68.6
1996 66.7 68.8
1997 66.8 69
1998 66.9 69.2
1999 67 69.4
2000 67.1 69.6
2001 67.2 69.8
2002 67.4 70
2003 67.5 70.2
2004 67.6 70.4
2005 67.8 70.6
2006 68 70.7
2007 67.8 70.9
2008 68.3 71
2009 68.4 70.9
2010 68.7 71.3
2011 68.8 71.4
2012 69 71.5
2013 69 71.6
2014 69 71.7
2015 69.3 71.9
2016 69.5 72
2017 69.7 72.1
2018 69.8 72.2
2019 70 72.3
2020 69.3 72.4
2021 68.9 72.1
2022 70.4 72.6
2023 70.5 72.9
2024 70.7 73.1
2025 70.8 73.2

Solomon Islands and Tonga population clocks and comparison

Population
Solomon Islands

Tonga
Year Population
Solomon Islands Tonga
1960 139,688 66,170
1961 142,912 68,037
1962 146,201 69,940
1963 149,589 71,885
1964 153,085 73,879
1965 156,686 75,924
1966 160,393 78,002
1967 164,245 79,814
1968 168,282 81,353
1969 172,476 82,885
1970 176,579 84,401
1971 180,637 85,896
1972 184,994 87,356
1973 189,774 88,805
1974 195,041 90,683
1975 200,744 93,017
1976 207,194 95,325
1977 214,418 96,725
1978 222,029 97,204
1979 229,953 97,544
1980 238,135 97,769
1981 246,555 97,909
1982 255,200 97,980
1983 264,068 97,998
1984 273,163 97,990
1985 282,455 97,984
1986 291,842 98,010
1987 301,414 98,376
1988 311,265 98,969
1989 321,282 99,403
1990 331,435 99,700
1991 341,738 99,895
1992 352,205 100,022
1993 362,839 100,103
1994 373,675 100,166
1995 384,733 100,225
1996 396,009 100,275
1997 407,474 100,674
1998 419,071 101,388
1999 430,500 102,046
2000 440,469 102,677
2001 449,125 103,288
2002 457,671 103,874
2003 466,154 104,464
2004 474,611 105,071
2005 483,080 105,671
2006 491,594 106,253
2007 500,156 106,726
2008 508,790 107,020
2009 518,141 107,203
2010 532,968 107,400
2011 552,945 107,570
2012 573,606 107,460
2013 594,945 107,078
2014 616,908 106,609
2015 639,415 106,095
2016 662,379 105,524
2017 685,672 105,356
2018 709,101 105,567
2019 728,147 105,669
2020 744,498 105,704
2021 762,591 105,490
2022 781,066 105,042
2023 800,005 104,597
2024 819,198 104,175

Fertility rates in Solomon Islands and Tonga

Fertility rate
Solomon Islands

Tonga
Year Fertility rate
Solomon Islands Tonga
1960 7.07 6.65
1961 7.05 6.61
1962 7.04 6.57
1963 7.03 6.52
1964 7.05 6.46
1965 7.02 6.41
1966 7 6.35
1967 6.97 6.29
1968 6.95 6.23
1969 6.97 6.17
1970 6.98 6.07
1971 6.99 5.96
1972 6.99 5.86
1973 7 5.8
1974 7.01 5.77
1975 6.99 5.75
1976 6.95 5.73
1977 6.92 5.7
1978 6.87 5.68
1979 6.82 5.65
1980 6.77 5.6
1981 6.71 5.55
1982 6.64 5.5
1983 6.57 5.45
1984 6.49 5.41
1985 6.38 5.34
1986 6.26 5.27
1987 6.12 5.19
1988 5.99 5.1
1989 5.87 5.01
1990 5.74 4.93
1991 5.62 4.85
1992 5.51 4.79
1993 5.45 4.73
1994 5.4 4.66
1995 5.34 4.56
1996 5.22 4.46
1997 5.09 4.38
1998 4.98 4.31
1999 4.86 4.23
2000 4.76 4.16
2001 4.67 4.13
2002 4.6 4.14
2003 4.54 4.18
2004 4.47 4.19
2005 4.41 4.2
2006 4.39 4.14
2007 4.37 4.09
2008 4.36 4.01
2009 4.35 3.95
2010 4.34 3.88
2011 4.34 3.83
2012 4.33 3.77
2013 4.33 3.7
2014 4.36 3.62
2015 4.29 3.54
2016 4.2 3.46
2017 4.06 3.39
2018 3.93 3.33
2019 3.8 3.27
2020 3.75 3.23
2021 3.69 3.2
2022 3.62 3.17
2023 3.56 3.13

Solomon Islands and Tonga demographics compared

Median age
Solomon Islands

Tonga
Year Median age, years
Solomon Islands Tonga
1960 16.8 17.1
1961 16.9 17.1
1962 16.9 17.1
1963 17 17
1964 17 17
1965 17 17
1966 17 17
1967 16.9 17
1968 16.8 16.9
1969 16.8 16.8
1970 16.7 16.8
1971 16.6 16.7
1972 16.6 16.7
1973 16.4 16.8
1974 16.3 16.8
1975 16.1 16.7
1976 15.9 16.7
1977 15.9 16.8
1978 15.8 17.1
1979 15.8 17.3
1980 15.8 17.4
1981 15.9 17.6
1982 15.9 17.8
1983 16 17.9
1984 16.1 18
1985 16.2 18.1
1986 16.3 18.2
1987 16.4 18.3
1988 16.5 18.6
1989 16.7 18.9
1990 16.8 19.1
1991 17 19.3
1992 17.1 19.5
1993 17.2 19.6
1994 17.4 19.6
1995 17.5 19.6
1996 17.7 19.6
1997 17.8 19.7
1998 17.9 19.9
1999 18.1 20.1
2000 18.3 20.3
2001 18.4 20.5
2002 18.6 20.7
2003 18.8 20.8
2004 19 20.8
2005 19.1 20.8
2006 19.2 20.8
2007 19.4 20.9
2008 19.4 21
2009 19.5 21.1
2010 19.6 21.2
2011 19.6 21.2
2012 19.7 21.4
2013 19.7 21.6
2014 19.8 21.7
2015 19.9 21.8
2016 20 21.9
2017 20.2 21.9
2018 20.4 22
2019 20.5 22
2020 20.7 22.1
2021 20.9 22.1
2022 21.1 22
2023 21.3 21.9
2024 21.5 21.9

Interactive Maps

Use the buttons below to switch between world maps comparing statistics for the Solomon Islands and Tonga.

GDP per capita

GDP

Life expectancy

Population

Population density

Fertility rate

Median age

Land area

National statistics comparison

Finance

Solomon Islands Tonga
GNI, Atlas method
$1.71B
2024
$578M
2023
Government expenditure, % of GDP
35.7%
2025
49.7%
2025
Education expenditure, % of GDP
8.29%
2023
5.15%
2023
Deficit/surplus, % of GDP
-3.15%
2025
-7.9%
2025
Unemployment rate
0.69%
2013
1.65%
2023
Services, % of GDP
47.3%
2022
50.2%
2023
Industry, % of GDP
18.7%
2022
13.5%
2023
Economic freedom index
56.3
2025
58.5
2025
Income share by richest 10%
29.2%
2012
22%
2021
Income share by poorest 10%
2.8%
2012
4%
2021
Total reserves including gold
$688M
2023
$377M
2024
Personal remittances received
$95.2M
2024
$257M
2024
International tourist arrivals
4,400
2020
94,000
2019
International tourism as share of exports
1.63%
2020
47.8%
2020

Energy

Solomon Islands Tonga
Energy use, kg of oil equivalent per capita
128 kg
2007
543 kg
2007
GDP PPP per kg equivalent of energy use
$14.6
2007
$7.94
2007
Carbon dioxide (CO2) emissions
0.42 megatons
2023
0.22 megatons
2023
CO2 emissions per capita
0.52 tons
2023
2.1 tons
2023
Fossil fuel energy use share
0%
2007
0%
2007
Renewable energy use share
50.1%
2022
2.3%
2022
Renewable electricity output share
6.56%
2021
14.2%
2021
Hydroelectric share
0.86%
2021
0%
2021
Nuclear share
0%
2021
0%
2021
Electricity access
81.3%
2023
100%
2023

Society

Solomon Islands Tonga
% of world population
0.01%
2024
0.001%
2024
Annual migration change
+1,610
2024
-2,149
2024
Urban population
26.5%
2024
23.2%
2024
Male:Female ratio
50:50
2024
50:50
2024
Average male height
5.35 ft
2025
5.74 ft
2025
Average female height
5.14 ft
2025
5.45 ft
2025
Quality of life index
37.4
2025
42.6
2025
Corruption Perceptions Index
43
2024
50
2025
Higher education index
2
2025
n/a
Homicides per 100K people
3.68
2008
0.95
2019
Road traffic mortality per 100K people
16.5
2019
33
2019
Visa free countries
137
2025
127
2025
Adult literacy rate
84.1%
2013
99.4%
2021
English speaking
31.7%
2023
30%
2023
People using the Internet
42.5%
2023
58.5%
2023

Health

Solomon Islands Tonga
Government health expenditure per capita
$96.7
2022
$378
2022
Out-of-pocket health expenditure per capita
$3.6
2022
$11.1
2022
Life expectancy
70.8 years
2025
73.2 years
2025
Foreign aid share of health expenditure
27.4%
2022
45.7%
2022
Physicians per 1,000 people
0.19
2016
1.01
2021
Age at first childbirth
22.6 years
2025
24.9 years
2025
Maternal mortality per 100K births
123
2023
67
2023
Mortality rate before reaching 5 years of age, per 1,000 live births
20.6
2023
9.9
2023
Obesity rate
23.3%
2022
72.4%
2022
Diabetes prevalence
12%
2024
19.6%
2024
Air quality index
93
2025
91
2025
Tobacco use prevalence
36.9%
2022
31.3%
2022
Pure alcohol consumption per capita
1.45 liters
2020
0.36 liters
2020

Territory

Solomon Islands Tonga
% of world land
0.02%
2025
0.0005%
2025
Land area per capita
13,192 sq mi
2024
2,669 sq mi
2024
Agricultural land area
422 sq mi
2025
135.1 sq mi
2025
Forest area
9,733 sq mi
2025
34.6 sq mi
2025
Roads length
864 mi
2011
423 mi
2011

In-depth comparisons

Facts comparisons

Facts vs Solomon Islands vs Tonga
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