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Gabon vs Sierra Leone statistics compared

Updated on by Georank team

Gabon has a population of 2.54M (ranked 141/197), compared with 8.64M in Sierra Leone (ranked 102/197). Gabon's land area is 99,487 sq mi versus 27,869 sq mi for Sierra Leone (ranked 75th vs. 116th).

By GDP, Gabon ranks 127/197 ($20.9B) and Sierra Leone ranks 160/197 ($6.97B). By GDP per capita, Gabon ranks 93/197 ($8,230), while Sierra Leone ranks 186/197 ($807).

Main facts and rankings

Gabon Sierra Leone
Population
2663339
9049533
Population rank 141/197 101/197
GDP
$20.9B
2024
$6.97B
2024
GDP rank 127/197 160/197
GDP per capita
$8,230
2024
$807
2024
GDP per capita rank 93/197 186/197
GDP per capita, PPP
$21,510
2024
$3,522
2024
Government debt
$15.2B
2024
$2.91B
2024
Debt-to-GDP ratio
72.7%
2024
41.7%
2024
Government debt per person
$5,985
2024
$337
2024
Government debt per person rank 75/185 174/185
Average annual personal income after taxes
$5,368
2026
$2,915
2026
Land area 99,487 sq mi 27,869 sq mi
Population density
26.6 ppl/mi²
2026
323 ppl/mi²
2026
Fertility rate
3.65
2023
3.79
2023
Median age
22.6 years
2024
20.5 years
2024
Life expectancy
68.9 years
2026
62.3 years
2026

Gabon and Sierra Leone: Comparison Charts

Gabon and Sierra Leone economies compared

GDP
Gabon

Sierra Leone
1x
Year GDP
Gabon Sierra Leone
2024 $20,895,684,426 $6,971,127,235
2023 $19,388,372,071 $6,415,852,767
2022 $20,440,655,695 $7,121,125,278
2021 $19,444,935,097 $7,166,931,485
2020 $15,342,236,164 $6,688,307,703
2019 $16,874,405,465 $6,523,577,594
2018 $16,867,326,402 $6,390,514,689
2017 $14,929,487,485 $5,749,846,528
2016 $14,023,890,265 $6,084,297,211
2015 $14,383,107,763 $6,788,352,975
2014 $18,203,966,896 $7,686,138,791
2013 $17,595,744,798 $7,502,762,863
2012 $17,170,464,016 $6,141,666,509
2011 $18,210,307,744 $4,861,632,885
2010 $14,372,593,020 $4,262,805,967
2009 $12,113,699,068 $3,953,403,098
2008 $15,571,348,344 $4,157,895,298
2007 $12,455,409,587 $3,632,957,611
2006 $10,327,598,306 $3,263,697,467
2005 $9,582,783,991 $2,545,275,313
2004 $7,770,219,008 $2,237,350,687
2003 $6,511,903,365 $2,142,618,046
2002 $5,335,451,100 $1,933,863,911
2001 $5,023,265,413 $1,681,473,894
2000 $5,080,483,629 $635,866,404
1999 $4,662,992,036 $669,386,624
1998 $4,483,417,310 $672,368,187
1997 $5,326,817,115 $850,232,760
1996 $5,694,040,003 $941,709,423
1995 $4,958,845,648 $870,740,292
1994 $4,190,819,344 $911,853,802
1993 $4,378,645,081 $768,867,883
1992 $5,592,390,827 $679,940,814
1991 $5,402,919,785 $779,981,987
1990 $5,952,293,765 $649,644,098
1989 $4,186,411,464 $932,974,420
1988 $3,834,503,376 $1,055,083,933
1987 $3,281,797,043 $660,106,336
1986 $3,403,638,189 $490,181,457
1985 $3,339,914,757 $856,890,459
1984 $3,561,451,561 $1,087,471,862
1983 $3,391,275,732 $995,104,305
1982 $3,618,007,841 $1,295,361,886
1981 $3,862,269,121 $1,114,830,472
1980 $4,279,637,942 $1,100,685,845
1979 $3,030,251,120 $1,109,374,911
1978 $2,389,479,272 $960,728,339
1977 $2,809,349,069 $691,777,584
1976 $3,009,409,974 $594,895,942
1975 $2,157,592,940 $679,336,344
1974 $1,544,216,002 $648,590,643
1973 $722,780,701 $575,230,724
1972 $430,508,359 $465,381,340
1971 $381,687,073 $419,549,305
1970 $323,802,476 $434,410,974
1969 $318,124,701 $408,690,163
1968 $294,468,564 $329,859,732
1967 $271,543,680 $348,795,303
1966 $245,849,781 $375,479,850
1965 $226,474,286 $359,379,856
1964 $215,679,855 $371,847,461
1963 $154,480,244 $348,547,279
1962 $182,796,536 $342,721,416
1961 $167,637,907 $327,834,191
1960 $141,468,978 $322,009,962

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

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

Gabon and Sierra Leone economies compared

GDP per capita
Gabon

Sierra Leone
1x
Year GDP per capita
Gabon Sierra Leone
2024 $8,230 $807
2023 $7,803 $758
2022 $8,409 $860
2021 $8,181 $885
2020 $6,606 $845
2019 $7,441 $844
2018 $7,624 $846
2017 $6,922 $779
2016 $6,677 $844
2015 $7,047 $965
2014 $9,201 $1,118
2013 $9,198 $1,117
2012 $9,297 $938
2011 $10,219 $761
2010 $8,357 $685
2009 $7,291 $653
2008 $9,689 $705
2007 $8,004 $632
2006 $6,847 $580
2005 $6,548 $463
2004 $5,466 $418
2003 $4,711 $414
2002 $3,966 $389
2001 $3,836 $358
2000 $3,983 $143.7
1999 $3,751 $155
1998 $3,700 $156.5
1997 $4,509 $199.9
1996 $4,943 $224.3
1995 $4,415 $208.4
1994 $3,828 $218.5
1993 $4,106 $185
1992 $5,386 $163.2
1991 $5,345 $183.7
1990 $6,051 $154.8
1989 $4,374 $231.3
1988 $4,119 $268.2
1987 $3,624 $172.4
1986 $3,865 $131.5
1985 $3,898 $235.5
1984 $4,273 $306
1983 $4,182 $285.8
1982 $4,584 $380
1981 $5,026 $334
1980 $5,718 $336
1979 $4,155 $346
1978 $3,360 $305
1977 $4,048 $224.2
1976 $4,441 $196.4
1975 $3,258 $228.4
1974 $2,384 $222.1
1973 $1,140 $200.6
1972 $693 $165.4
1971 $627 $151.8
1970 $543 $160.2
1969 $545 $153.6
1968 $515 $126.3
1967 $482 $136.1
1966 $443 $149.3
1965 $415 $145.6
1964 $400 $153.4
1963 $290.7 $146.3
1962 $348 $146.3
1961 $323 $142.3
1960 $276.1 $142

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

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

Gabon vs. Sierra Leone life expectancy calculator

Life expectancy
Gabon

Sierra Leone
1x
Year Life expectancy, years
Gabon Sierra Leone
2026 68.9 62.3
2025 68.7 62.2
2024 68.5 62
2023 68.3 61.8
2022 67.7 61.3
2021 67.1 60.3
2020 67.1 59.7
2019 67.3 59.6
2018 67 59.1
2017 66.8 57.8
2016 66.6 56.9
2015 66.3 55.5
2014 66.1 54.3
2013 65.8 54.1
2012 65.4 53.2
2011 65.1 52.6
2010 64.7 51.9
2009 64.4 51.3
2008 64 50.7
2007 63.6 50
2006 63.3 49.5
2005 63 48.3
2004 62.7 47.5
2003 62.5 46.8
2002 62.2 46.2
2001 62 45.4
2000 61.8 44.8
1999 61.7 42
1998 61.5 42.7
1997 61.4 43.6
1996 61.3 43.5
1995 61.3 42.6
1994 61.2 42.8
1993 61.1 43.4
1992 61 43.5
1991 60.9 43.3
1990 60.7 43.7
1989 60.6 43.7
1988 60.4 43.8
1987 60.2 43.7
1986 60 43.5
1985 59.7 43.6
1984 59.3 43.6
1983 59 43.5
1982 58.6 43.3
1981 58.3 43.1
1980 57.9 42.8
1979 57.4 42.5
1978 57 42.2
1977 56.5 41.8
1976 56 41.4
1975 55.5 41
1974 54.9 40.4
1973 54.4 40
1972 53.8 39.5
1971 53.3 39.1
1970 52.7 38.6
1969 52.1 38.2
1968 51.5 37.8
1967 50.9 37.3
1966 50.3 36.6
1965 49.7 35.9
1964 49 35.3
1963 48.4 34.7
1962 47.8 34.2
1961 47.1 33.6
1960 46.4 33.1
1959 45.8 32.6
1958 45.1 32.1
1957 44.4 31.8
1956 43.7 31.3
1955 42.9 30.9
1954 42.2 30.5
1953 41.5 30.1
1952 40.7 29.7
1951 40 29.3
1950 39.3 28.9

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

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

Gabon and Sierra Leone population clocks and comparison

Population
Gabon

Sierra Leone
1x
Year Population
Gabon Sierra Leone
2024 2,538,952 8,642,022
2023 2,484,789 8,460,512
2022 2,430,747 8,276,807
2021 2,376,722 8,094,602
2020 2,322,539 7,912,558
2019 2,267,706 7,731,991
2018 2,212,318 7,554,563
2017 2,156,900 7,379,299
2016 2,100,306 7,205,328
2015 2,040,989 7,037,655
2014 1,978,399 6,876,385
2013 1,913,059 6,714,051
2012 1,846,889 6,551,080
2011 1,781,985 6,387,251
2010 1,719,879 6,222,714
2009 1,661,556 6,055,646
2008 1,607,175 5,894,722
2007 1,556,237 5,749,352
2006 1,508,337 5,624,466
2005 1,463,495 5,501,712
2004 1,421,609 5,355,717
2003 1,382,350 5,177,687
2002 1,345,135 4,971,435
2001 1,309,589 4,692,716
2000 1,275,572 4,423,611
1999 1,243,016 4,318,043
1998 1,211,736 4,295,785
1997 1,181,439 4,253,716
1996 1,152,015 4,199,210
1995 1,123,213 4,179,179
1994 1,094,720 4,173,105
1993 1,066,405 4,157,130
1992 1,038,380 4,166,366
1991 1,010,818 4,246,267
1990 983,734 4,196,828
1989 957,138 4,034,037
1988 931,020 3,934,517
1987 905,479 3,829,718
1986 880,705 3,728,380
1985 856,726 3,638,438
1984 833,501 3,558,758
1983 811,005 3,481,646
1982 789,286 3,408,183
1981 768,385 3,338,940
1980 748,389 3,272,089
1979 729,375 3,207,499
1978 711,245 3,145,517
1977 693,984 3,085,354
1976 677,628 3,028,820
1975 662,197 2,974,657
1974 647,691 2,920,459
1973 633,995 2,866,955
1972 620,960 2,814,388
1971 608,348 2,763,222
1970 595,846 2,712,286
1969 583,276 2,661,365
1968 572,257 2,611,532
1967 563,108 2,562,384
1966 554,463 2,514,638
1965 546,308 2,468,666
1964 538,657 2,424,390
1963 531,452 2,382,258
1962 524,649 2,342,242
1961 518,266 2,304,227
1960 512,316 2,268,356

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

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

Fertility rates in Gabon and Sierra Leone

Fertility rate
Gabon

Sierra Leone
1x
Year Fertility rate
Gabon Sierra Leone
2023 3.65 3.79
2022 3.71 3.88
2021 3.78 3.98
2020 3.83 4.08
2019 3.88 4.19
2018 3.91 4.29
2017 3.91 4.39
2016 3.92 4.47
2015 3.92 4.55
2014 3.95 4.7
2013 4.02 4.87
2012 4.09 5.06
2011 4.15 5.21
2010 4.15 5.33
2009 4.14 5.45
2008 4.12 5.56
2007 4.14 5.64
2006 4.17 5.74
2005 4.21 5.81
2004 4.25 5.92
2003 4.3 6.09
2002 4.36 6.23
2001 4.42 6.31
2000 4.47 6.36
1999 4.5 6.42
1998 4.58 6.5
1997 4.66 6.53
1996 4.74 6.55
1995 4.88 6.56
1994 5.04 6.56
1993 5.19 6.57
1992 5.29 6.56
1991 5.37 6.55
1990 5.46 6.57
1989 5.55 6.57
1988 5.62 6.59
1987 5.67 6.61
1986 5.69 6.6
1985 5.71 6.59
1984 5.73 6.59
1983 5.76 6.57
1982 5.74 6.56
1981 5.73 6.55
1980 5.66 6.56
1979 5.61 6.58
1978 5.57 6.59
1977 5.52 6.57
1976 5.46 6.55
1975 5.39 6.55
1974 5.33 6.53
1973 5.29 6.47
1972 5.24 6.45
1971 5.16 6.43
1970 5.1 6.41
1969 5.05 6.39
1968 4.98 6.39
1967 4.92 6.38
1966 4.86 6.35
1965 4.79 6.31
1964 4.71 6.29
1963 4.65 6.26
1962 4.59 6.22
1961 4.5 6.21
1960 4.42 6.18

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

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

Gabon and Sierra Leone demographics compared

Median age
Gabon

Sierra Leone
1x
Year Median age, years
Gabon Sierra Leone
2024 22.6 20.5
2023 22.6 20.3
2022 22.5 20
2021 22.5 19.8
2020 22.5 19.6
2019 22.5 19.4
2018 22.4 19.2
2017 22.4 19.1
2016 22.3 18.9
2015 22.2 18.7
2014 22.1 18.6
2013 21.9 18.5
2012 21.7 18.4
2011 21.4 18.3
2010 21.2 18.2
2009 21 18.1
2008 20.8 18.1
2007 20.6 18
2006 20.3 18
2005 20.1 18
2004 19.9 17.9
2003 19.7 17.9
2002 19.6 17.9
2001 19.4 18
2000 19.3 18
1999 19.1 18
1998 19 18.1
1997 18.9 18.1
1996 18.9 18.2
1995 18.8 18.2
1994 18.8 18.3
1993 18.8 18.4
1992 18.8 18.4
1991 18.9 18.5
1990 18.9 18.5
1989 19 18.6
1988 19.2 18.6
1987 19.3 18.7
1986 19.5 18.7
1985 19.7 18.8
1984 19.9 18.9
1983 20.1 18.9
1982 20.4 19
1981 20.7 19.1
1980 21 19.1
1979 21.3 19.2
1978 21.6 19.3
1977 21.9 19.4
1976 22.2 19.5
1975 22.5 19.6
1974 22.9 19.8
1973 23.2 19.9
1972 23.5 20.1
1971 23.9 20.2
1970 24.2 20.4
1969 24.5 20.6
1968 24.8 20.7
1967 25.2 20.8
1966 25.6 20.9
1965 25.9 20.9
1964 26.2 21
1963 26.5 21
1962 26.8 21.1
1961 27 21.1
1960 27.2 21.1

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

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

Interactive Maps

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National statistics comparison

Finance

Gabon Sierra Leone
GNI, Atlas method
$19.8B
2024
$7.08B
2024
Government expenditure, % of GDP
24.8%
2024
15.6%
2024
Education expenditure, % of GDP
2.32%
2023
2.62%
2023
Military expenditure, % of GDP
1.54%
2024
0.46%
2024
Armed forces personnel
7,000
2020
9,000
2020
Deficit/surplus, % of GDP
-3.84%
2024
-4.53%
2024
Unemployment rate
20.4%
2010
3.19%
2018
Services, % of GDP
36.8%
2024
42.6%
2024
Industry, % of GDP
52.9%
2024
25.6%
2024
Economic freedom index
56.6
2026
49.6
2026
Income share by richest 10%
27.7%
2017
29.4%
2018
Income share by poorest 10%
2.2%
2017
3.4%
2018
Total reserves including gold
$1.45B
2023
$433M
2024
Personal remittances received
$18.5M
2023
$321M
2024
International tourist arrivals
526,000
2005
71,000
2019
International tourism as share of exports
0.53%
2015
5.49%
2018
Banked people share
68.2%
2024
38.6%
2024

Energy

Gabon Sierra Leone
Energy use, kg of oil equivalent per capita
2,096 kg
2022
n/a
GDP PPP per kg equivalent of energy use
$9.54
2022
n/a
Carbon dioxide (CO2) emissions
5.2 megatons
2024
1.46 megatons
2024
CO2 emissions per capita
2.05 tons
2024
0.17 tons
2024
Fossil fuel energy use share
22.8%
2022
n/a
Renewable energy use share
91.3%
2021
71.6%
2022
Alternative and nuclear energy use share
2.57%
2022
n/a
Net energy imports use share
-187.6%
2022
n/a
Electric power consumption per capita
1,065 kWh
2022
n/a
Renewable electricity output share
33.2%
2021
75.3%
2021
Hydroelectric share
47.7%
2022
70.5%
2021
Nuclear share
0%
2021
0%
2021
Electricity access
94.1%
2023
35.5%
2023

Society

Gabon Sierra Leone
% of world population
0.03%
2024
0.11%
2024
Annual migration change
+1,116
2025
-11,309
2025
Urban population
91.9%
2024
45.4%
2024
Male:Female ratio
50.8:49.2
2024
49.9:50.1
2024
Average male height
5.59 ft
2025
5.46 ft
2025
Average female height
5.25 ft
2025
5.16 ft
2025
Quality of life index
36.8
2026
29.4
2026
Corruption Perceptions Index
29
2025
34
2025
Higher education index
2
2026
20
2026
Homicides per 100K people
8.04
2015
2.14
2020
Road traffic mortality per 100K people
23.9
2019
33
2019
Visa free countries
67
2025
66
2025
Adult literacy rate
85.7%
2022
48.6%
2022
English speaking
1%
2025
83.5%
2023
People using the Internet
71.9%
2023
20.6%
2023

Health

Gabon Sierra Leone
Government health expenditure per capita
$253
2023
$35.8
2023
Out-of-pocket health expenditure per capita
$43.7
2023
$19.5
2023
Life expectancy
68.9 years
2026
62.3 years
2026
Foreign aid share of health expenditure
4.45%
2023
28.5%
2023
Physicians per 1,000 people
0.52
2022
0.13
2022
Age at first childbirth
19.6 years
2025
19.6 years
2025
Maternal mortality per 100K births
233
2023
354
2023
Mortality rate before reaching 5 years of age
33.2
2023
94.3
2023
Obesity rate
22%
2022
7.32%
2022
Diabetes prevalence
8.5%
2024
4.8%
2024
Air quality index
49
2026
16
2026
Tobacco use prevalence n/a
12.9%
2022
Pure alcohol consumption per capita
8.14 liters
2020
0.29 liters
2020

Territory

Gabon Sierra Leone
% of world land
0.17%
2026
0.05%
2026
Land area per capita
39,184 sq mi
2024
3,225 sq mi
2024
Agricultural land area
8,314 sq mi
2026
15,247 sq mi
2026
Forest area
90,715 sq mi
2026
9,559 sq mi
2026
Roads length
8,886 mi
2001
7,270 mi
2015

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 (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. Transparency International (2025, retrieved 2026-02-10)
  10. The Heritage Foundation | Economic Freedom Index (2026, retrieved 2026-03-09)
  11. EduRank (2026, retrieved 2025-10-13)

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