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Sierra Leone vs Tonga statistics compared

Updated on by Georank team

Sierra Leone has a population of 8.64M (ranked 102/197), compared with 104K in Tonga (ranked 183/197). Sierra Leone's land area is 27,869 sq mi versus 278 sq mi for Tonga (ranked 116th vs. 176th).

By GDP, Sierra Leone ranks 157/197 ($7.55B) and Tonga ranks 191/197 ($509M). By GDP per capita, Sierra Leone ranks 183/197 ($873), while Tonga ranks 121/197 ($4,864).

Main facts and rankings

Sierra Leone Tonga
Population
8961932
103744
Population rank 102/197 183/197
GDP
$7.55B
2024
$509M
2023
GDP rank 157/197 191/197
GDP per capita
$873
2024
$4,864
2023
GDP per capita rank 183/197 121/197
GDP per capita, PPP
$3,516
2024
$7,853
2023
Government debt
$3.25B
2024
$224M
2023
Debt-to-GDP ratio
44.3%
2025
44.1%
2025
Government debt per person
$376
2024
$2,138
2023
Government debt per person rank 174/185 117/185
Average annual personal income after taxes
$3,438
2025
$4,126
2025
Land area
27,869 sq mi
2025
278 sq mi
2025
Population density
310 ppl/mi²
2024
375 ppl/mi²
2024
Fertility rate
3.79
2023
3.13
2023
Median age
20.5 years
2024
21.9 years
2024
Life expectancy
62.2 years
2025
73.2 years
2025

Sierra Leone and Tonga: Comparison Charts

Sierra Leone and Tonga economies compared

GDP
Sierra Leone

Tonga
Year GDP
Sierra Leone Tonga
1960 $322,151,961 -
1961 $327,978,758 -
1962 $342,872,549 -
1963 $348,700,980 -
1964 $372,011,438 -
1965 $359,523,810 -
1966 $375,630,252 -
1967 $348,895,028 -
1968 $329,991,597 -
1969 $408,853,541 -
1970 $434,584,634 -
1971 $419,495,788 -
1972 $465,254,682 -
1973 $575,471,814 -
1974 $648,940,351 -
1975 $679,352,876 $32,506,742
1976 $594,810,422 $30,036,417
1977 $692,079,407 $34,139,388
1978 $960,765,043 $41,567,472
1979 $1,109,343,425 $44,667,002
1980 $1,100,476,190 $53,260,077
1981 $1,114,926,661 $62,242,013
1982 $1,294,995,964 $62,068,161
1983 $995,278,515 $60,863,964
1984 $1,087,450,199 $64,248,355
1985 $856,890,459 $60,058,663
1986 $490,181,457 $68,195,856
1987 $660,106,336 $81,667,133
1988 $1,055,083,933 $106,657,267
1989 $932,974,420 $106,344,855
1990 $649,644,098 $113,563,822
1991 $779,981,987 $132,201,141
1992 $679,940,814 $137,066,291
1993 $768,867,883 $138,489,884
1994 $911,853,802 $195,990,986
1995 $870,740,292 $208,871,666
1996 $941,709,423 $222,100,576
1997 $850,232,760 $214,991,452
1998 $672,368,187 $191,504,893
1999 $669,386,624 $199,208,718
2000 $635,866,404 $204,848,488
2001 $1,681,473,894 $181,117,230
2002 $1,933,863,911 $182,764,281
2003 $2,142,618,046 $202,246,591
2004 $2,237,350,687 $230,678,011
2005 $2,545,275,313 $261,823,805
2006 $3,263,697,467 $292,232,703
2007 $3,632,957,611 $298,519,623
2008 $4,157,895,298 $344,438,844
2009 $3,953,403,098 $312,415,028
2010 $4,262,805,967 $366,887,375
2011 $4,861,632,885 $414,143,828
2012 $6,141,666,509 $471,122,971
2013 $7,502,762,863 $451,788,498
2014 $7,686,138,791 $440,997,735
2015 $6,788,352,975 $437,525,539
2016 $6,084,297,211 $420,828,255
2017 $5,749,846,528 $459,976,847
2018 $6,390,514,689 $489,714,530
2019 $6,526,183,564 $494,197,854
2020 $6,693,888,876 $496,856,304
2021 $7,173,379,137 $518,228,029
2022 $7,124,465,160 $518,180,029
2023 $6,411,787,856 $508,735,107
2024 $7,547,843,281 -

Sierra Leone and Tonga economies compared

GDP per capita
Sierra Leone

Tonga
Year GDP per capita
Sierra Leone Tonga
1960 $142 -
1961 $142.3 -
1962 $146.4 -
1963 $146.4 -
1964 $153.4 -
1965 $145.6 -
1966 $149.4 -
1967 $136.2 -
1968 $126.4 -
1969 $153.6 -
1970 $160.2 -
1971 $151.8 -
1972 $165.3 -
1973 $200.7 -
1974 $222.2 -
1975 $228.4 $349
1976 $196.4 $315
1977 $224.3 $353
1978 $305 $428
1979 $346 $458
1980 $336 $545
1981 $334 $636
1982 $380 $633
1983 $285.9 $621
1984 $306 $656
1985 $235.5 $613
1986 $131.5 $696
1987 $172.4 $830
1988 $268.2 $1,078
1989 $231.3 $1,070
1990 $154.8 $1,139
1991 $183.7 $1,323
1992 $163.2 $1,370
1993 $185 $1,383
1994 $218.5 $1,957
1995 $208.4 $2,084
1996 $224.3 $2,215
1997 $199.9 $2,136
1998 $156.5 $1,889
1999 $155 $1,952
2000 $143.7 $1,995
2001 $358 $1,754
2002 $389 $1,759
2003 $414 $1,936
2004 $418 $2,195
2005 $463 $2,478
2006 $580 $2,750
2007 $632 $2,797
2008 $705 $3,218
2009 $653 $2,914
2010 $685 $3,416
2011 $761 $3,850
2012 $938 $4,384
2013 $1,117 $4,219
2014 $1,118 $4,137
2015 $965 $4,124
2016 $844 $3,988
2017 $779 $4,366
2018 $846 $4,639
2019 $844 $4,677
2020 $846 $4,700
2021 $886 $4,913
2022 $861 $4,933
2023 $758 $4,864
2024 $873 -

Sierra Leone vs. Tonga life expectancy calculator

Life expectancy
Sierra Leone

Tonga
Year Life expectancy, years
Sierra Leone Tonga
1950 28.9 48.4
1951 29.3 49.8
1952 29.7 51.2
1953 30.1 52.4
1954 30.5 53.6
1955 30.9 54.7
1956 31.3 55.7
1957 31.8 56.5
1958 32.1 57.2
1959 32.6 57.8
1960 33.1 58.3
1961 33.6 58.8
1962 34.2 59.3
1963 34.7 59.8
1964 35.3 60.3
1965 35.9 60.7
1966 36.6 61.2
1967 37.3 61.7
1968 37.8 62.2
1969 38.2 62.7
1970 38.6 63.2
1971 39.1 63.6
1972 39.5 64.1
1973 40 64.4
1974 40.4 64.8
1975 41 65.1
1976 41.4 65.4
1977 41.8 65.6
1978 42.2 65.9
1979 42.5 66
1980 42.8 66.2
1981 43.1 66.4
1982 43.3 66.3
1983 43.5 66.7
1984 43.6 66.8
1985 43.6 66.9
1986 43.5 67.1
1987 43.7 67.2
1988 43.8 67.3
1989 43.7 67.4
1990 43.7 67.5
1991 43.3 67.7
1992 43.5 67.9
1993 43.4 68.2
1994 42.8 68.4
1995 42.6 68.6
1996 43.5 68.8
1997 43.6 69
1998 42.7 69.2
1999 42 69.4
2000 44.8 69.6
2001 45.4 69.8
2002 46.2 70
2003 46.8 70.2
2004 47.5 70.4
2005 48.3 70.6
2006 49.5 70.7
2007 50 70.9
2008 50.7 71
2009 51.3 70.9
2010 51.9 71.3
2011 52.6 71.4
2012 53.2 71.5
2013 54.1 71.6
2014 54.3 71.7
2015 55.5 71.9
2016 56.9 72
2017 57.8 72.1
2018 59.1 72.2
2019 59.6 72.3
2020 59.7 72.4
2021 60.3 72.1
2022 61.3 72.6
2023 61.8 72.9
2024 62 73.1
2025 62.2 73.2

Sierra Leone and Tonga population clocks and comparison

Population
Sierra Leone

Tonga
Year Population
Sierra Leone Tonga
1960 2,268,356 66,170
1961 2,304,227 68,037
1962 2,342,242 69,940
1963 2,382,258 71,885
1964 2,424,390 73,879
1965 2,468,666 75,924
1966 2,514,638 78,002
1967 2,562,384 79,814
1968 2,611,532 81,353
1969 2,661,365 82,885
1970 2,712,286 84,401
1971 2,763,222 85,896
1972 2,814,388 87,356
1973 2,866,955 88,805
1974 2,920,459 90,683
1975 2,974,657 93,017
1976 3,028,820 95,325
1977 3,085,354 96,725
1978 3,145,517 97,204
1979 3,207,499 97,544
1980 3,272,089 97,769
1981 3,338,940 97,909
1982 3,408,183 97,980
1983 3,481,646 97,998
1984 3,558,758 97,990
1985 3,638,438 97,984
1986 3,728,380 98,010
1987 3,829,718 98,376
1988 3,934,517 98,969
1989 4,034,037 99,403
1990 4,196,828 99,700
1991 4,246,267 99,895
1992 4,166,366 100,022
1993 4,157,130 100,103
1994 4,173,105 100,166
1995 4,179,179 100,225
1996 4,199,210 100,275
1997 4,253,716 100,674
1998 4,295,785 101,388
1999 4,318,043 102,046
2000 4,423,611 102,677
2001 4,692,716 103,288
2002 4,971,435 103,874
2003 5,177,687 104,464
2004 5,355,717 105,071
2005 5,501,712 105,671
2006 5,624,466 106,253
2007 5,749,352 106,726
2008 5,894,722 107,020
2009 6,055,646 107,203
2010 6,222,714 107,400
2011 6,387,251 107,570
2012 6,551,080 107,460
2013 6,714,051 107,078
2014 6,876,385 106,609
2015 7,037,655 106,095
2016 7,205,328 105,524
2017 7,379,299 105,356
2018 7,554,563 105,567
2019 7,731,991 105,669
2020 7,912,558 105,704
2021 8,094,602 105,490
2022 8,276,807 105,042
2023 8,460,512 104,597
2024 8,642,022 104,175

Fertility rates in Sierra Leone and Tonga

Fertility rate
Sierra Leone

Tonga
Year Fertility rate
Sierra Leone Tonga
1960 6.18 6.65
1961 6.21 6.61
1962 6.22 6.57
1963 6.26 6.52
1964 6.29 6.46
1965 6.31 6.41
1966 6.35 6.35
1967 6.38 6.29
1968 6.39 6.23
1969 6.39 6.17
1970 6.41 6.07
1971 6.43 5.96
1972 6.45 5.86
1973 6.47 5.8
1974 6.53 5.77
1975 6.55 5.75
1976 6.55 5.73
1977 6.57 5.7
1978 6.59 5.68
1979 6.58 5.65
1980 6.56 5.6
1981 6.55 5.55
1982 6.56 5.5
1983 6.57 5.45
1984 6.59 5.41
1985 6.59 5.34
1986 6.6 5.27
1987 6.61 5.19
1988 6.59 5.1
1989 6.57 5.01
1990 6.57 4.93
1991 6.55 4.85
1992 6.56 4.79
1993 6.57 4.73
1994 6.56 4.66
1995 6.56 4.56
1996 6.55 4.46
1997 6.53 4.38
1998 6.5 4.31
1999 6.42 4.23
2000 6.36 4.16
2001 6.31 4.13
2002 6.23 4.14
2003 6.09 4.18
2004 5.92 4.19
2005 5.81 4.2
2006 5.74 4.14
2007 5.64 4.09
2008 5.56 4.01
2009 5.45 3.95
2010 5.33 3.88
2011 5.21 3.83
2012 5.06 3.77
2013 4.87 3.7
2014 4.7 3.62
2015 4.55 3.54
2016 4.47 3.46
2017 4.39 3.39
2018 4.29 3.33
2019 4.19 3.27
2020 4.08 3.23
2021 3.98 3.2
2022 3.88 3.17
2023 3.79 3.13

Sierra Leone and Tonga demographics compared

Median age
Sierra Leone

Tonga
Year Median age, years
Sierra Leone Tonga
1960 21.1 17.1
1961 21.1 17.1
1962 21.1 17.1
1963 21 17
1964 21 17
1965 20.9 17
1966 20.9 17
1967 20.8 17
1968 20.7 16.9
1969 20.6 16.8
1970 20.4 16.8
1971 20.2 16.7
1972 20.1 16.7
1973 19.9 16.8
1974 19.8 16.8
1975 19.6 16.7
1976 19.5 16.7
1977 19.4 16.8
1978 19.3 17.1
1979 19.2 17.3
1980 19.1 17.4
1981 19.1 17.6
1982 19 17.8
1983 18.9 17.9
1984 18.9 18
1985 18.8 18.1
1986 18.7 18.2
1987 18.7 18.3
1988 18.6 18.6
1989 18.6 18.9
1990 18.5 19.1
1991 18.5 19.3
1992 18.4 19.5
1993 18.4 19.6
1994 18.3 19.6
1995 18.2 19.6
1996 18.2 19.6
1997 18.1 19.7
1998 18.1 19.9
1999 18 20.1
2000 18 20.3
2001 18 20.5
2002 17.9 20.7
2003 17.9 20.8
2004 17.9 20.8
2005 18 20.8
2006 18 20.8
2007 18 20.9
2008 18.1 21
2009 18.1 21.1
2010 18.2 21.2
2011 18.3 21.2
2012 18.4 21.4
2013 18.5 21.6
2014 18.6 21.7
2015 18.7 21.8
2016 18.9 21.9
2017 19.1 21.9
2018 19.2 22
2019 19.4 22
2020 19.6 22.1
2021 19.8 22.1
2022 20 22
2023 20.3 21.9
2024 20.5 21.9

Interactive Maps

Use the buttons below to switch between world maps comparing statistics for Sierra Leone and Tonga.

GDP per capita

GDP

Life expectancy

Population

Population density

Fertility rate

Median age

Land area

National statistics comparison

Finance

Sierra Leone Tonga
GNI, Atlas method
$7.26B
2024
$578M
2023
Government expenditure, % of GDP
17.7%
2025
49.7%
2025
Education expenditure, % of GDP
2.62%
2023
5.15%
2023
Military expenditure, % of GDP
0.56%
2023
n/a
Armed forces personnel
9,000
2020
n/a
Deficit/surplus, % of GDP
-4.2%
2025
-7.9%
2025
Unemployment rate
3.19%
2018
1.65%
2023
Services, % of GDP
44.8%
2024
50.2%
2023
Industry, % of GDP
27.3%
2024
13.5%
2023
Economic freedom index
48
2025
58.5
2025
Income share by richest 10%
29.4%
2018
22%
2021
Income share by poorest 10%
3.4%
2018
4%
2021
Total reserves including gold
$433M
2024
$377M
2024
Personal remittances received
$322M
2024
$257M
2024
International tourist arrivals
71,000
2019
94,000
2019
International tourism as share of exports
5.49%
2018
47.8%
2020
Banked people share
38.6%
2024
n/a

Energy

Sierra Leone Tonga
Energy use, kg of oil equivalent per capita n/a
543 kg
2007
GDP PPP per kg equivalent of energy use n/a
$7.94
2007
Carbon dioxide (CO2) emissions
1.07 megatons
2023
0.22 megatons
2023
CO2 emissions per capita
0.13 tons
2023
2.1 tons
2023
Fossil fuel energy use share n/a
0%
2007
Renewable energy use share
71.6%
2022
2.3%
2022
Renewable electricity output share
75.3%
2021
14.2%
2021
Hydroelectric share
70.5%
2021
0%
2021
Nuclear share
0%
2021
0%
2021
Electricity access
35.5%
2023
100%
2023

Society

Sierra Leone Tonga
% of world population
0.11%
2024
0.001%
2024
Annual migration change
-11,000
2024
-2,149
2024
Urban population
44.8%
2024
23.2%
2024
Male:Female ratio
50:50
2024
50:50
2024
Average male height
5.46 ft
2025
5.74 ft
2025
Average female height
5.16 ft
2025
5.45 ft
2025
Quality of life index
30.5
2025
42.6
2025
Corruption Perceptions Index
33
2024
50
2025
Higher education index
16
2025
n/a
Homicides per 100K people
2.14
2020
0.95
2019
Road traffic mortality per 100K people
33
2019
33
2019
Visa free countries
68
2025
127
2025
Adult literacy rate
48.6%
2022
99.4%
2021
English speaking
83.5%
2023
30%
2023
People using the Internet
20.6%
2023
58.5%
2023

Health

Sierra Leone Tonga
Government health expenditure per capita
$39.3
2022
$378
2022
Out-of-pocket health expenditure per capita
$20.7
2022
$11.1
2022
Life expectancy
62.2 years
2025
73.2 years
2025
Foreign aid share of health expenditure
28%
2022
45.7%
2022
Physicians per 1,000 people
0.04
2022
1.01
2021
Age at first childbirth
19.6 years
2025
24.9 years
2025
Maternal mortality per 100K births
354
2023
67
2023
Mortality rate before reaching 5 years of age, per 1,000 live births
94.3
2023
9.9
2023
Obesity rate
7.32%
2022
72.4%
2022
Diabetes prevalence
4.8%
2024
19.6%
2024
Air quality index
16
2025
91
2025
Tobacco use prevalence
12.9%
2022
31.3%
2022
Pure alcohol consumption per capita
0.29 liters
2020
0.36 liters
2020

Territory

Sierra Leone Tonga
% of world land
0.05%
2025
0.0005%
2025
Land area per capita
3,225 sq mi
2024
2,669 sq mi
2024
Agricultural land area
15,247 sq mi
2025
135.1 sq mi
2025
Forest area
9,559 sq mi
2025
34.6 sq mi
2025
Roads length
7,270 mi
2015
423 mi
2011

In-depth comparisons

Facts comparisons

Facts vs Sierra Leone vs Tonga
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