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Gabon vs Sierra Leone statistics compared

Updated on by Georank team

Gabon has a population of 2.54M (ranked 142/197), 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 126/197 ($20.9B) and Sierra Leone ranks 157/197 ($7.55B). By GDP per capita, Gabon ranks 96/197 ($8,219), while Sierra Leone ranks 183/197 ($873).

Main facts and rankings

Gabon Sierra Leone
Population
2636721
8961932
Population rank 142/197 102/197
GDP
$20.9B
2024
$7.55B
2024
GDP rank 126/197 157/197
GDP per capita
$8,219
2024
$873
2024
GDP per capita rank 96/197 183/197
GDP per capita, PPP
$21,510
2024
$3,516
2024
Government debt
$15.3B
2024
$3.25B
2024
Debt-to-GDP ratio
79.2%
2025
44.3%
2025
Government debt per person
$6,033
2024
$376
2024
Government debt per person rank 73/185 174/185
Average annual personal income after taxes
$5,135
2025
$3,438
2025
Land area
99,487 sq mi
2025
27,869 sq mi
2025
Population density
25.5 ppl/mi²
2024
310 ppl/mi²
2024
Fertility rate
3.65
2023
3.79
2023
Median age
22.6 years
2024
20.5 years
2024
Life expectancy
68.7 years
2025
62.2 years
2025

Gabon and Sierra Leone: Comparison Charts

Gabon and Sierra Leone economies compared

GDP
Gabon

Sierra Leone
Year GDP
Gabon Sierra Leone
1960 $141,468,978 $322,151,961
1961 $167,637,907 $327,978,758
1962 $182,796,536 $342,872,549
1963 $154,480,244 $348,700,980
1964 $215,679,855 $372,011,438
1965 $226,474,286 $359,523,810
1966 $245,849,781 $375,630,252
1967 $271,543,680 $348,895,028
1968 $294,468,564 $329,991,597
1969 $318,124,701 $408,853,541
1970 $323,802,476 $434,584,634
1971 $381,687,073 $419,495,788
1972 $430,508,359 $465,254,682
1973 $722,780,701 $575,471,814
1974 $1,544,216,002 $648,940,351
1975 $2,157,592,940 $679,352,876
1976 $3,009,409,974 $594,810,422
1977 $2,809,349,069 $692,079,407
1978 $2,389,479,272 $960,765,043
1979 $3,030,251,120 $1,109,343,425
1980 $4,279,637,942 $1,100,476,190
1981 $3,862,269,121 $1,114,926,661
1982 $3,618,007,841 $1,294,995,964
1983 $3,391,275,732 $995,278,515
1984 $3,561,451,561 $1,087,450,199
1985 $3,339,914,757 $856,890,459
1986 $3,403,638,189 $490,181,457
1987 $3,281,797,043 $660,106,336
1988 $3,834,503,376 $1,055,083,933
1989 $4,186,411,464 $932,974,420
1990 $5,952,293,765 $649,644,098
1991 $5,402,919,785 $779,981,987
1992 $5,592,390,827 $679,940,814
1993 $4,378,645,081 $768,867,883
1994 $4,190,819,344 $911,853,802
1995 $4,958,845,648 $870,740,292
1996 $5,694,040,003 $941,709,423
1997 $5,326,817,115 $850,232,760
1998 $4,483,417,310 $672,368,187
1999 $4,662,992,036 $669,386,624
2000 $5,080,483,629 $635,866,404
2001 $5,023,265,413 $1,681,473,894
2002 $5,335,451,100 $1,933,863,911
2003 $6,511,903,365 $2,142,618,046
2004 $7,770,219,008 $2,237,350,687
2005 $9,582,783,991 $2,545,275,313
2006 $10,327,598,306 $3,263,697,467
2007 $12,455,409,587 $3,632,957,611
2008 $15,571,348,344 $4,157,895,298
2009 $12,113,699,068 $3,953,403,098
2010 $14,372,593,020 $4,262,805,967
2011 $18,210,307,744 $4,861,632,885
2012 $17,170,464,016 $6,141,666,509
2013 $17,595,744,798 $7,502,762,863
2014 $18,203,966,896 $7,686,138,791
2015 $14,383,107,763 $6,788,352,975
2016 $14,023,890,265 $6,084,297,211
2017 $14,929,487,485 $5,749,846,528
2018 $16,867,326,402 $6,390,514,689
2019 $16,874,405,465 $6,526,183,564
2020 $15,342,236,164 $6,693,888,876
2021 $19,444,935,097 $7,173,379,137
2022 $20,440,655,695 $7,124,465,160
2023 $20,055,720,403 $6,411,787,856
2024 $20,867,044,936 $7,547,843,281

Gabon and Sierra Leone economies compared

GDP per capita
Gabon

Sierra Leone
Year GDP per capita
Gabon Sierra Leone
1960 $276.1 $142
1961 $323 $142.3
1962 $348 $146.4
1963 $290.7 $146.4
1964 $400 $153.4
1965 $415 $145.6
1966 $443 $149.4
1967 $482 $136.2
1968 $515 $126.4
1969 $545 $153.6
1970 $543 $160.2
1971 $627 $151.8
1972 $693 $165.3
1973 $1,140 $200.7
1974 $2,384 $222.2
1975 $3,258 $228.4
1976 $4,441 $196.4
1977 $4,048 $224.3
1978 $3,360 $305
1979 $4,155 $346
1980 $5,718 $336
1981 $5,026 $334
1982 $4,584 $380
1983 $4,182 $285.9
1984 $4,273 $306
1985 $3,898 $235.5
1986 $3,865 $131.5
1987 $3,624 $172.4
1988 $4,119 $268.2
1989 $4,374 $231.3
1990 $6,051 $154.8
1991 $5,345 $183.7
1992 $5,386 $163.2
1993 $4,106 $185
1994 $3,828 $218.5
1995 $4,415 $208.4
1996 $4,943 $224.3
1997 $4,509 $199.9
1998 $3,700 $156.5
1999 $3,751 $155
2000 $3,983 $143.7
2001 $3,836 $358
2002 $3,966 $389
2003 $4,711 $414
2004 $5,466 $418
2005 $6,548 $463
2006 $6,847 $580
2007 $8,004 $632
2008 $9,689 $705
2009 $7,291 $653
2010 $8,357 $685
2011 $10,219 $761
2012 $9,297 $938
2013 $9,198 $1,117
2014 $9,201 $1,118
2015 $7,047 $965
2016 $6,677 $844
2017 $6,922 $779
2018 $7,624 $846
2019 $7,441 $844
2020 $6,606 $846
2021 $8,181 $886
2022 $8,409 $861
2023 $8,071 $758
2024 $8,219 $873

Gabon vs. Sierra Leone life expectancy calculator

Life expectancy
Gabon

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

Gabon and Sierra Leone population clocks and comparison

Population
Gabon

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

Fertility rates in Gabon and Sierra Leone

Fertility rate
Gabon

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

Gabon and Sierra Leone demographics compared

Median age
Gabon

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

Interactive Maps

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

GDP per capita

GDP

Life expectancy

Population

Population density

Fertility rate

Median age

Land area

National statistics comparison

Finance

Gabon Sierra Leone
GNI, Atlas method
$19.2B
2024
$7.26B
2024
Government expenditure, % of GDP
26.3%
2025
17.7%
2025
Education expenditure, % of GDP
2.32%
2023
2.62%
2023
Military expenditure, % of GDP
1.15%
2023
0.56%
2023
Armed forces personnel
7,000
2020
9,000
2020
Deficit/surplus, % of GDP
-5.85%
2025
-4.2%
2025
Unemployment rate
20.4%
2010
3.19%
2018
Services, % of GDP
37.5%
2024
44.8%
2024
Industry, % of GDP
50.9%
2024
27.3%
2024
Economic freedom index
56.3
2025
48
2025
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
$322M
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
4.93 megatons
2023
1.07 megatons
2023
CO2 emissions per capita
1.98 tons
2023
0.13 tons
2023
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
+1,105
2024
-11,000
2024
Urban population
91.3%
2024
44.8%
2024
Male:Female ratio
50:50
2024
50:50
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
32.6
2025
30.5
2025
Corruption Perceptions Index
27
2024
33
2024
Higher education index
3
2025
16
2025
Homicides per 100K people
8.04
2015
2.14
2020
Road traffic mortality per 100K people
23.9
2019
33
2019
Visa free countries
68
2025
68
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
$247.1
2022
$39.3
2022
Out-of-pocket health expenditure per capita
$46
2022
$20.7
2022
Life expectancy
68.7 years
2025
62.2 years
2025
Foreign aid share of health expenditure
3.55%
2022
28%
2022
Physicians per 1,000 people
0.48
2022
0.04
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, per 1,000 live births
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
2025
16
2025
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%
2025
0.05%
2025
Land area per capita
39,184 sq mi
2024
3,225 sq mi
2024
Agricultural land area
8,314 sq mi
2025
15,247 sq mi
2025
Forest area
90,715 sq mi
2025
9,559 sq mi
2025
Roads length
8,886 mi
2001
7,270 mi
2015

In-depth comparisons

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Facts vs Gabon vs Sierra Leone
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