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Sierra Leone vs Tonga statistics compared

Updated on by Georank

Sierra Leone has a population of 8.82M (ranked 101/197), 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 160/197 ($7.46B) and Tonga ranks 191/197 ($679M). By GDP per capita, Sierra Leone ranks 186/197 ($846), while Tonga ranks 110/197 ($6,547).

Main facts and rankings

Sierra Leone Tonga
Population
9090531
103283
Population rank 100/197 183/197
GDP
$7.46B
2025
$679M
2025
GDP rank 160/197 191/197
GDP per capita
$846
2025
$6,547
2025
GDP per capita rank 186/197 110/197
GDP per capita, PPP
$3,522
2024
$7,803
2023
Government debt
$3.38B
2025
$186M
2025
Debt-to-GDP ratio
45.2%
2025
27.4%
2025
Government debt per person
$383
2025
$1,793
2025
Government debt per person rank 173/185 123/185
Average annual personal income after taxes
$1,418
2026
$4,104
2026
Land area 27,869 sq mi 278 sq mi
Population density
323 ppl/mi²
2026
372 ppl/mi²
2026
Fertility rate
3.7
2024
3.1
2024
Median age
20.7 years
2025
22 years
2025
Life expectancy
62.3 years
2026
73.4 years
2026

Sierra Leone and Tonga: Comparison Charts

Sierra Leone and Tonga economies compared

GDP
Sierra Leone

Tonga
1x
Year GDP
Sierra Leone Tonga
2025 $7,464,157,904 $679,218,219
2024 $6,971,127,234 $647,488,244
2023 $6,415,852,766 $591,139,734
2022 $7,121,125,277 $556,514,556
2021 $7,166,931,483 $519,306,339
2020 $6,688,307,706 $506,571,487
2019 $6,523,577,590 $506,031,248
2018 $6,390,514,689 $493,530,767
2017 $5,749,846,528 $459,976,847
2016 $6,084,297,211 $420,828,255
2015 $6,788,352,975 $437,525,539
2014 $7,686,138,791 $440,997,735
2013 $7,502,762,863 $451,788,498
2012 $6,141,666,509 $471,122,971
2011 $4,861,632,885 $414,143,828
2010 $4,262,805,967 $366,887,375
2009 $3,953,403,098 $312,415,028
2008 $4,157,895,298 $344,438,844
2007 $3,632,957,611 $298,519,623
2006 $3,263,697,467 $292,232,703
2005 $2,545,275,313 $261,823,805
2004 $2,237,350,687 $230,678,011
2003 $2,142,618,046 $202,246,591
2002 $1,933,863,911 $182,764,281
2001 $1,681,473,894 $181,117,230
2000 $635,866,404 $204,848,488
1999 $669,386,624 $199,208,718
1998 $672,368,187 $191,504,893
1997 $850,232,760 $214,991,452
1996 $941,709,423 $222,100,576
1995 $870,740,292 $208,871,666
1994 $911,853,802 $195,990,986
1993 $768,867,883 $138,489,884
1992 $679,940,814 $137,066,291
1991 $779,981,987 $132,201,141
1990 $649,644,098 $113,563,822
1989 $932,974,420 $106,344,855
1988 $1,055,083,933 $106,657,267
1987 $660,106,336 $81,667,133
1986 $490,181,457 $68,195,856
1985 $856,890,459 $60,058,663
1984 $1,087,471,862 $64,248,355
1983 $995,104,305 $60,863,964
1982 $1,295,361,886 $62,068,161
1981 $1,114,830,472 $62,242,013
1980 $1,100,685,845 $53,260,077
1979 $1,109,374,911 $44,667,002
1978 $960,728,339 $41,567,472
1977 $691,777,584 $34,139,388
1976 $594,895,942 $30,036,417
1975 $679,336,344 $32,506,742
1974 $648,590,643 -
1973 $575,230,724 -
1972 $465,381,340 -
1971 $419,549,305 -
1970 $434,410,974 -
1969 $408,690,163 -
1968 $329,859,732 -
1967 $348,795,303 -
1966 $375,479,850 -
1965 $359,379,856 -
1964 $371,847,461 -
1963 $348,547,279 -
1962 $342,721,416 -
1961 $327,834,191 -
1960 $322,009,962 -

Data sources: World Bank | Economy & Growth (1960–2025, retrieved 2026-07-08).

GeoRank.org/facts/sierra-leone/tonga | CC BY

Sierra Leone and Tonga economies compared

GDP per capita
Sierra Leone

Tonga
1x
Year GDP per capita
Sierra Leone Tonga
2025 $846 $6,547
2024 $807 $6,215
2023 $758 $5,652
2022 $860 $5,298
2021 $885 $4,923
2020 $845 $4,792
2019 $844 $4,789
2018 $846 $4,675
2017 $779 $4,366
2016 $844 $3,988
2015 $965 $4,124
2014 $1,118 $4,137
2013 $1,117 $4,219
2012 $938 $4,384
2011 $761 $3,850
2010 $685 $3,416
2009 $653 $2,914
2008 $705 $3,218
2007 $632 $2,797
2006 $580 $2,750
2005 $463 $2,478
2004 $418 $2,195
2003 $414 $1,936
2002 $389 $1,759
2001 $358 $1,754
2000 $143.7 $1,995
1999 $155 $1,952
1998 $156.5 $1,889
1997 $199.9 $2,136
1996 $224.3 $2,215
1995 $208.4 $2,084
1994 $218.5 $1,957
1993 $185 $1,383
1992 $163.2 $1,370
1991 $183.7 $1,323
1990 $154.8 $1,139
1989 $231.3 $1,070
1988 $268.2 $1,078
1987 $172.4 $830
1986 $131.5 $696
1985 $235.5 $613
1984 $306 $656
1983 $285.8 $621
1982 $380 $633
1981 $334 $636
1980 $336 $545
1979 $346 $458
1978 $305 $428
1977 $224.2 $353
1976 $196.4 $315
1975 $228.4 $349
1974 $222.1 -
1973 $200.6 -
1972 $165.4 -
1971 $151.8 -
1970 $160.2 -
1969 $153.6 -
1968 $126.3 -
1967 $136.1 -
1966 $149.3 -
1965 $145.6 -
1964 $153.4 -
1963 $146.3 -
1962 $146.3 -
1961 $142.3 -
1960 $142 -

Data sources: World Bank | Economy & Growth (1960–2025, retrieved 2026-07-08).

GeoRank.org/facts/sierra-leone/tonga | CC BY

Sierra Leone vs. Tonga life expectancy calculator

Life expectancy
Sierra Leone

Tonga
1x
Year Life expectancy, years
Sierra Leone Tonga
2026 62.3 73.4
2025 62.2 73.2
2024 62 73.1
2023 61.8 72.9
2022 61.3 72.6
2021 60.3 72.1
2020 59.7 72.4
2019 59.6 72.3
2018 59.1 72.2
2017 57.8 72.1
2016 56.9 72
2015 55.5 71.9
2014 54.3 71.7
2013 54.1 71.6
2012 53.2 71.5
2011 52.6 71.4
2010 51.9 71.3
2009 51.3 70.9
2008 50.7 71
2007 50 70.9
2006 49.5 70.7
2005 48.3 70.6
2004 47.5 70.4
2003 46.8 70.2
2002 46.2 70
2001 45.4 69.8
2000 44.8 69.6
1999 42 69.4
1998 42.7 69.2
1997 43.6 69
1996 43.5 68.8
1995 42.6 68.6
1994 42.8 68.4
1993 43.4 68.2
1992 43.5 67.9
1991 43.3 67.7
1990 43.7 67.5
1989 43.7 67.4
1988 43.8 67.3
1987 43.7 67.2
1986 43.5 67.1
1985 43.6 66.9
1984 43.6 66.8
1983 43.5 66.7
1982 43.3 66.3
1981 43.1 66.4
1980 42.8 66.2
1979 42.5 66
1978 42.2 65.9
1977 41.8 65.6
1976 41.4 65.4
1975 41 65.1
1974 40.4 64.8
1973 40 64.4
1972 39.5 64.1
1971 39.1 63.6
1970 38.6 63.2
1969 38.2 62.7
1968 37.8 62.2
1967 37.3 61.7
1966 36.6 61.2
1965 35.9 60.7
1964 35.3 60.3
1963 34.7 59.8
1962 34.2 59.3
1961 33.6 58.8
1960 33.1 58.3
1959 32.6 57.8
1958 32.1 57.2
1957 31.8 56.5
1956 31.3 55.7
1955 30.9 54.7
1954 30.5 53.6
1953 30.1 52.4
1952 29.7 51.2
1951 29.3 49.8
1950 28.9 48.4

Data sources: United Nations | World Population Prospects (1950–2026, retrieved 2026-07-08).

GeoRank.org/facts/sierra-leone/tonga | CC BY

Sierra Leone and Tonga population clocks and comparison

Population
Sierra Leone

Tonga
1x
Year Population
Sierra Leone Tonga
2025 8,819,794 103,742
2024 8,642,022 104,175
2023 8,460,512 104,597
2022 8,276,807 105,042
2021 8,094,602 105,490
2020 7,912,558 105,704
2019 7,731,991 105,669
2018 7,554,563 105,567
2017 7,379,299 105,356
2016 7,205,328 105,524
2015 7,037,655 106,095
2014 6,876,385 106,609
2013 6,714,051 107,078
2012 6,551,080 107,460
2011 6,387,251 107,570
2010 6,222,714 107,400
2009 6,055,646 107,203
2008 5,894,722 107,020
2007 5,749,352 106,726
2006 5,624,466 106,253
2005 5,501,712 105,671
2004 5,355,717 105,071
2003 5,177,687 104,464
2002 4,971,435 103,874
2001 4,692,716 103,288
2000 4,423,611 102,677
1999 4,318,043 102,046
1998 4,295,785 101,388
1997 4,253,716 100,674
1996 4,199,210 100,275
1995 4,179,179 100,225
1994 4,173,105 100,166
1993 4,157,130 100,103
1992 4,166,366 100,022
1991 4,246,267 99,895
1990 4,196,828 99,700
1989 4,034,037 99,403
1988 3,934,517 98,969
1987 3,829,718 98,376
1986 3,728,380 98,010
1985 3,638,438 97,984
1984 3,558,758 97,990
1983 3,481,646 97,998
1982 3,408,183 97,980
1981 3,338,940 97,909
1980 3,272,089 97,769
1979 3,207,499 97,544
1978 3,145,517 97,204
1977 3,085,354 96,725
1976 3,028,820 95,325
1975 2,974,657 93,017
1974 2,920,459 90,683
1973 2,866,955 88,805
1972 2,814,388 87,356
1971 2,763,222 85,896
1970 2,712,286 84,401
1969 2,661,365 82,885
1968 2,611,532 81,353
1967 2,562,384 79,814
1966 2,514,638 78,002
1965 2,468,666 75,924
1964 2,424,390 73,879
1963 2,382,258 71,885
1962 2,342,242 69,940
1961 2,304,227 68,037
1960 2,268,356 66,170

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/facts/sierra-leone/tonga | CC BY

Fertility rates in Sierra Leone and Tonga

Fertility rate
Sierra Leone

Tonga
1x
Year Fertility rate
Sierra Leone Tonga
2024 3.7 3.1
2023 3.79 3.13
2022 3.88 3.17
2021 3.98 3.2
2020 4.08 3.23
2019 4.19 3.27
2018 4.29 3.33
2017 4.39 3.39
2016 4.47 3.46
2015 4.55 3.54
2014 4.7 3.62
2013 4.87 3.7
2012 5.06 3.77
2011 5.21 3.83
2010 5.33 3.88
2009 5.45 3.95
2008 5.56 4.01
2007 5.64 4.09
2006 5.74 4.14
2005 5.81 4.2
2004 5.92 4.19
2003 6.09 4.18
2002 6.23 4.14
2001 6.31 4.13
2000 6.36 4.16
1999 6.42 4.23
1998 6.5 4.31
1997 6.53 4.38
1996 6.55 4.46
1995 6.56 4.56
1994 6.56 4.66
1993 6.57 4.73
1992 6.56 4.79
1991 6.55 4.85
1990 6.57 4.93
1989 6.57 5.01
1988 6.59 5.1
1987 6.61 5.19
1986 6.6 5.27
1985 6.59 5.34
1984 6.59 5.41
1983 6.57 5.45
1982 6.56 5.5
1981 6.55 5.55
1980 6.56 5.6
1979 6.58 5.65
1978 6.59 5.68
1977 6.57 5.7
1976 6.55 5.73
1975 6.55 5.75
1974 6.53 5.77
1973 6.47 5.8
1972 6.45 5.86
1971 6.43 5.96
1970 6.41 6.07
1969 6.39 6.17
1968 6.39 6.23
1967 6.38 6.29
1966 6.35 6.35
1965 6.31 6.41
1964 6.29 6.46
1963 6.26 6.52
1962 6.22 6.57
1961 6.21 6.61
1960 6.18 6.65

Data sources: World Bank | Health (1960–2024, retrieved 2026-07-08).

GeoRank.org/facts/sierra-leone/tonga | CC BY

Sierra Leone and Tonga demographics compared

Median age
Sierra Leone

Tonga
1x
Year Median age, years
Sierra Leone Tonga
2025 20.7 22
2024 20.5 21.9
2023 20.3 21.9
2022 20 22
2021 19.8 22.1
2020 19.6 22.1
2019 19.4 22
2018 19.2 22
2017 19.1 21.9
2016 18.9 21.9
2015 18.7 21.8
2014 18.6 21.7
2013 18.5 21.6
2012 18.4 21.4
2011 18.3 21.2
2010 18.2 21.2
2009 18.1 21.1
2008 18.1 21
2007 18 20.9
2006 18 20.8
2005 18 20.8
2004 17.9 20.8
2003 17.9 20.8
2002 17.9 20.7
2001 18 20.5
2000 18 20.3
1999 18 20.1
1998 18.1 19.9
1997 18.1 19.7
1996 18.2 19.6
1995 18.2 19.6
1994 18.3 19.6
1993 18.4 19.6
1992 18.4 19.5
1991 18.5 19.3
1990 18.5 19.1
1989 18.6 18.9
1988 18.6 18.6
1987 18.7 18.3
1986 18.7 18.2
1985 18.8 18.1
1984 18.9 18
1983 18.9 17.9
1982 19 17.8
1981 19.1 17.6
1980 19.1 17.4
1979 19.2 17.3
1978 19.3 17.1
1977 19.4 16.8
1976 19.5 16.7
1975 19.6 16.7
1974 19.8 16.8
1973 19.9 16.8
1972 20.1 16.7
1971 20.2 16.7
1970 20.4 16.8
1969 20.6 16.8
1968 20.7 16.9
1967 20.8 17
1966 20.9 17
1965 20.9 17
1964 21 17
1963 21 17
1962 21.1 17.1
1961 21.1 17.1
1960 21.1 17.1

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/facts/sierra-leone/tonga | CC BY

Interactive Maps

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National statistics comparison

Finance

Sierra Leone Tonga
GNI, Atlas method
$7.34B
2025
$709M
2025
Government expenditure, % of GDP
16.5%
2025
46.8%
2025
Education expenditure, % of GDP
2.62%
2023
5.15%
2023
Military expenditure, % of GDP
0.46%
2024
n/a
Armed forces personnel
9,000
2020
n/a
Deficit/surplus, % of GDP
-4.2%
2025
+4.86%
2025
Unemployment rate
1.65%
2018
1.65%
2023
Services, % of GDP
41.6%
2025
49.5%
2024
Industry, % of GDP
25.7%
2025
17.7%
2024
Economic freedom index
49.6
2026
58.9
2026
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
$413M
2025
Personal remittances received
$321M
2024
$254M
2024
International tourist arrivals
71,000
2019
94,000
2019
International tourism as share of exports
5.49%
2018
50.3%
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
1.46 megatons
2024
0.17 megatons
2024
CO2 emissions per capita
0.17 tons
2024
1.63 tons
2024
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%
2025
0.001%
2025
Annual migration change
-11,309
2025
-2,150
2025
Urban population
45.9%
2025
21.2%
2025
Male:Female ratio
49.9:50.1
2025
47.2:52.8
2025
Average male height
5.45 ft
2026
5.84 ft
2026
Average female height
5.18 ft
2026
5.48 ft
2026
Quality of life index
24.8
2026
45.5
2026
Corruption Perceptions Index
34
2025
50
2026
Higher education index
20
2026
n/a
Homicides per 100K people
2.22
2020
0.95
2019
Road traffic mortality per 100K people
33
2019
33
2019
Visa free countries
67
2026
126
2026
Adult literacy rate
48.6%
2022
99.5%
2023
English speaking
83.5%
2026
30%
2026
People using the Internet
25.1%
2024
67.4%
2024

Health

Sierra Leone Tonga
Government health expenditure per capita
$35.8
2023
$358
2023
Out-of-pocket health expenditure per capita
$19.5
2023
$21
2023
Life expectancy
62.3 years
2026
73.4 years
2026
Foreign aid share of health expenditure
28.5%
2023
44.2%
2023
Physicians per 1,000 people
0.13
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
90.5
2024
9.5
2024
Obesity rate
7.32%
2022
72.4%
2022
Diabetes prevalence
4.8%
2024
19.6%
2024
Air quality index
16
2026
91
2026
Tobacco use prevalence
11.3%
2024
32.1%
2024
Pure alcohol consumption per capita
0.29 liters
2020
0.36 liters
2020

Territory

Sierra Leone Tonga
% of world land
0.05%
2026
0.0005%
2026
Land area per capita
3,160 sq mi
2025
2,680 sq mi
2025
Agricultural land area
15,247 sq mi
2026
135.1 sq mi
2026
Forest area
9,559 sq mi
2026
34.6 sq mi
2026
Roads length
7,270 mi
2015
423 mi
2011

In-depth comparisons

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1950–2026, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Central Intelligence Agency (CIA) (2000–2025, retrieved 2026-07-08)
  5. International Monetary Fund (IMF) | Fiscal Monitor (2025, retrieved 2026-07-08)
  6. LivingCost (2026, retrieved 2026-07-08)
  7. World Obesity Federation (2022, retrieved 2026-07-08)
  8. The Heritage Foundation | Economic Freedom Index (2026, retrieved 2026-07-08)
  9. Passport Index (2026, retrieved 2026-07-08)
  10. Transparency International (2025, retrieved 2026-07-08)
  11. EduRank (2026, retrieved 2026-07-08)

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