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Comoros vs Sierra Leone statistics compared

Updated on by Georank team

Comoros has a population of 867K (ranked 160/197), compared with 8.64M in Sierra Leone (ranked 102/197). Comoros' land area is 719 sq mi versus 27,869 sq mi for Sierra Leone (ranked 171st vs. 116th).

By GDP, Comoros ranks 183/197 ($1.44B) and Sierra Leone ranks 160/197 ($6.97B). By GDP per capita, Comoros ranks 161/197 ($1,663), while Sierra Leone ranks 186/197 ($807).

Main facts and rankings

Comoros Sierra Leone
Population
903776
9049533
Population rank 160/197 101/197
GDP
$1.44B
2024
$6.97B
2024
GDP rank 183/197 160/197
GDP per capita
$1,663
2024
$807
2024
GDP per capita rank 161/197 186/197
GDP per capita, PPP
$3,959
2024
$3,522
2024
Government debt
$463M
2024
$2.91B
2024
Debt-to-GDP ratio
32.2%
2024
41.7%
2024
Government debt per person
$535
2024
$337
2024
Government debt per person rank 166/185 174/185
Average annual personal income after taxes
$2,192
2026
$2,915
2026
Land area 719 sq mi 27,869 sq mi
Population density
1,252 ppl/mi²
2026
323 ppl/mi²
2026
Fertility rate
3.88
2023
3.79
2023
Median age
21.5 years
2024
20.5 years
2024
Life expectancy
67.5 years
2026
62.3 years
2026

Comoros and Sierra Leone: Comparison Charts

Comoros and Sierra Leone economies compared

GDP
Comoros

Sierra Leone
1x
Year GDP
Comoros Sierra Leone
2024 $1,440,991,455 $6,971,127,235
2023 $1,326,836,543 $6,415,852,767
2022 $1,222,485,532 $7,121,125,278
2021 $1,272,238,391 $7,166,931,485
2020 $1,218,763,671 $6,688,307,703
2019 $1,187,915,409 $6,523,577,594
2018 $1,178,530,633 $6,390,514,689
2017 $1,077,439,757 $5,749,846,528
2016 $1,012,835,493 $6,084,297,211
2015 $966,029,601 $6,788,352,975
2014 $1,149,587,661 $7,686,138,791
2013 $1,116,224,107 $7,502,762,863
2012 $1,015,843,491 $6,141,666,509
2011 $1,023,086,274 $4,861,632,885
2010 $907,978,731 $4,262,805,967
2009 $905,341,173 $3,953,403,098
2008 $915,659,108 $4,157,895,298
2007 $795,673,153 $3,632,957,611
2006 $688,498,642 $3,263,697,467
2005 $655,375,096 $2,545,275,313
2004 $622,679,660 $2,237,350,687
2003 $546,830,041 $2,142,618,046
2002 $427,360,070 $1,933,863,911
2001 $372,746,486 $1,681,473,894
2000 $339,504,306 $635,866,404
1999 $371,921,712 $669,386,624
1998 $363,932,160 $672,368,187
1997 $362,816,806 $850,232,760
1996 $392,488,149 $941,709,423
1995 $392,774,714 $870,740,292
1994 $314,789,556 $911,853,802
1993 $427,750,823 $768,867,883
1992 $436,552,922 $679,940,814
1991 $400,592,663 $779,981,987
1990 $401,561,022 $649,644,098
1989 $328,665,081 $932,974,420
1988 $336,422,522 $1,055,083,933
1987 $313,292,323 $660,106,336
1986 $258,143,903 $490,181,457
1985 $191,944,892 $856,890,459
1984 $189,102,734 $1,087,471,862
1983 $196,193,380 $995,104,305
1982 $202,152,462 $1,295,361,886
1981 $212,958,382 $1,114,830,472
1980 $243,390,496 $1,100,685,845
1979 - $1,109,374,911
1978 - $960,728,339
1977 - $691,777,584
1976 - $594,895,942
1975 - $679,336,344
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 (1960–2024, retrieved 2026-04-06).

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

Comoros and Sierra Leone economies compared

GDP per capita
Comoros

Sierra Leone
1x
Year GDP per capita
Comoros Sierra Leone
2024 $1,663 $807
2023 $1,560 $758
2022 $1,465 $860
2021 $1,555 $885
2020 $1,519 $845
2019 $1,510 $844
2018 $1,527 $846
2017 $1,424 $779
2016 $1,365 $844
2015 $1,329 $965
2014 $1,616 $1,118
2013 $1,603 $1,117
2012 $1,490 $938
2011 $1,531 $761
2010 $1,387 $685
2009 $1,410 $653
2008 $1,455 $705
2007 $1,290 $632
2006 $1,138 $580
2005 $1,106 $463
2004 $1,072 $418
2003 $960 $414
2002 $765 $389
2001 $681 $358
2000 $633 $143.7
1999 $707 $155
1998 $704 $156.5
1997 $715 $199.9
1996 $786 $224.3
1995 $801 $208.4
1994 $653 $218.5
1993 $903 $185
1992 $939 $163.2
1991 $879 $183.7
1990 $903 $154.8
1989 $759 $231.3
1988 $798 $268.2
1987 $763 $172.4
1986 $646 $131.5
1985 $494 $235.5
1984 $501 $306
1983 $534 $285.8
1982 $566 $380
1981 $613 $334
1980 $721 $336
1979 - $346
1978 - $305
1977 - $224.2
1976 - $196.4
1975 - $228.4
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 (1960–2024, retrieved 2026-04-06).

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

Comoros vs. Sierra Leone life expectancy calculator

Life expectancy
Comoros

Sierra Leone
1x
Year Life expectancy, years
Comoros Sierra Leone
2026 67.5 62.3
2025 67.2 62.2
2024 67 62
2023 66.8 61.8
2022 66.5 61.3
2021 65.2 60.3
2020 65.8 59.7
2019 65.7 59.6
2018 65.4 59.1
2017 65.1 57.8
2016 64.8 56.9
2015 64.5 55.5
2014 64.1 54.3
2013 63.8 54.1
2012 63.5 53.2
2011 63.1 52.6
2010 62.7 51.9
2009 62.3 51.3
2008 62 50.7
2007 61.5 50
2006 61.2 49.5
2005 60.9 48.3
2004 60.6 47.5
2003 60.2 46.8
2002 59.7 46.2
2001 59.6 45.4
2000 58.9 44.8
1999 58.9 42
1998 58.3 42.7
1997 58.2 43.6
1996 58.2 43.5
1995 57.8 42.6
1994 57.5 42.8
1993 57 43.4
1992 56.6 43.5
1991 56.1 43.3
1990 55.6 43.7
1989 55 43.7
1988 54.7 43.8
1987 54.1 43.7
1986 53.8 43.5
1985 53.3 43.6
1984 52.8 43.6
1983 52.1 43.5
1982 51.7 43.3
1981 51.2 43.1
1980 50.7 42.8
1979 50.1 42.5
1978 49.7 42.2
1977 49.2 41.8
1976 48.6 41.4
1975 46.9 41
1974 47.6 40.4
1973 47 40
1972 46.5 39.5
1971 45.8 39.1
1970 45.2 38.6
1969 44.6 38.2
1968 44.1 37.8
1967 43.6 37.3
1966 43.2 36.6
1965 42.7 35.9
1964 42.3 35.3
1963 41.9 34.7
1962 41.5 34.2
1961 41.2 33.6
1960 40.8 33.1
1959 40.5 32.6
1958 40.1 32.1
1957 39.7 31.8
1956 39.4 31.3
1955 39 30.9
1954 38.7 30.5
1953 38.4 30.1
1952 38 29.7
1951 34.3 29.3
1950 37.4 28.9

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

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

Comoros and Sierra Leone population clocks and comparison

Population
Comoros

Sierra Leone
1x
Year Population
Comoros Sierra Leone
2024 866,628 8,642,022
2023 850,387 8,460,512
2022 834,188 8,276,807
2021 818,174 8,094,602
2020 802,163 7,912,558
2019 786,578 7,731,991
2018 771,590 7,554,563
2017 756,669 7,379,299
2016 741,741 7,205,328
2015 726,682 7,037,655
2014 711,503 6,876,385
2013 696,192 6,714,051
2012 681,630 6,551,080
2011 668,056 6,387,251
2010 654,836 6,222,714
2009 641,947 6,055,646
2008 629,307 5,894,722
2007 616,927 5,749,352
2006 604,753 5,624,466
2005 592,677 5,501,712
2004 580,704 5,355,717
2003 569,798 5,177,687
2002 558,923 4,971,435
2001 547,220 4,692,716
2000 536,080 4,423,611
1999 525,886 4,318,043
1998 516,597 4,295,785
1997 507,777 4,253,716
1996 499,107 4,199,210
1995 490,586 4,179,179
1994 482,142 4,173,105
1993 473,682 4,157,130
1992 465,113 4,166,366
1991 455,556 4,246,267
1990 444,596 4,196,828
1989 433,103 4,034,037
1988 421,687 3,934,517
1987 410,439 3,829,718
1986 399,318 3,728,380
1985 388,352 3,638,438
1984 377,637 3,558,758
1983 367,233 3,481,646
1982 357,139 3,408,183
1981 347,382 3,338,940
1980 337,721 3,272,089
1979 327,791 3,207,499
1978 317,688 3,145,517
1977 307,579 3,085,354
1976 297,538 3,028,820
1975 287,692 2,974,657
1974 278,075 2,920,459
1973 268,820 2,866,955
1972 260,077 2,814,388
1971 251,865 2,763,222
1970 244,185 2,712,286
1969 237,001 2,661,365
1968 230,244 2,611,532
1967 223,859 2,562,384
1966 218,663 2,514,638
1965 214,967 2,468,666
1964 211,644 2,424,390
1963 208,185 2,382,258
1962 204,702 2,342,242
1961 201,201 2,304,227
1960 197,700 2,268,356

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

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

Fertility rates in Comoros and Sierra Leone

Fertility rate
Comoros

Sierra Leone
1x
Year Fertility rate
Comoros Sierra Leone
2023 3.88 3.79
2022 3.94 3.88
2021 4 3.98
2020 4.07 4.08
2019 4.14 4.19
2018 4.21 4.29
2017 4.28 4.39
2016 4.35 4.47
2015 4.42 4.55
2014 4.49 4.7
2013 4.57 4.87
2012 4.65 5.06
2011 4.72 5.21
2010 4.76 5.33
2009 4.78 5.45
2008 4.81 5.56
2007 4.86 5.64
2006 4.93 5.74
2005 5.01 5.81
2004 5.07 5.92
2003 5.12 6.09
2002 5.16 6.23
2001 5.2 6.31
2000 5.23 6.36
1999 5.28 6.42
1998 5.39 6.5
1997 5.51 6.53
1996 5.63 6.55
1995 5.73 6.56
1994 5.86 6.56
1993 6.02 6.57
1992 6.19 6.56
1991 6.35 6.55
1990 6.51 6.57
1989 6.65 6.57
1988 6.76 6.59
1987 6.87 6.61
1986 6.95 6.6
1985 7.02 6.59
1984 7.07 6.59
1983 7.11 6.57
1982 7.13 6.56
1981 7.14 6.55
1980 7.15 6.56
1979 7.16 6.58
1978 7.16 6.59
1977 7.15 6.57
1976 7.16 6.55
1975 7.16 6.55
1974 7.16 6.53
1973 7.17 6.47
1972 7.14 6.45
1971 7.12 6.43
1970 7.1 6.41
1969 7.07 6.39
1968 7.05 6.39
1967 7.02 6.38
1966 7 6.35
1965 6.97 6.31
1964 6.94 6.29
1963 6.92 6.26
1962 6.9 6.22
1961 6.85 6.21
1960 6.79 6.18

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

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

Comoros and Sierra Leone demographics compared

Median age
Comoros

Sierra Leone
1x
Year Median age, years
Comoros Sierra Leone
2024 21.5 20.5
2023 21.4 20.3
2022 21.2 20
2021 21 19.8
2020 20.8 19.6
2019 20.5 19.4
2018 20.3 19.2
2017 20 19.1
2016 19.9 18.9
2015 19.8 18.7
2014 19.6 18.6
2013 19.4 18.5
2012 19.1 18.4
2011 18.9 18.3
2010 18.6 18.2
2009 18.3 18.1
2008 18 18.1
2007 17.7 18
2006 17.4 18
2005 17.1 18
2004 16.8 17.9
2003 16.6 17.9
2002 16.5 17.9
2001 16.4 18
2000 16.3 18
1999 16.2 18
1998 16.1 18.1
1997 16 18.1
1996 16 18.2
1995 16 18.2
1994 16.1 18.3
1993 16.3 18.4
1992 16.4 18.4
1991 16.5 18.5
1990 16.5 18.5
1989 16.4 18.6
1988 16.4 18.6
1987 16.4 18.7
1986 16.4 18.7
1985 16.5 18.8
1984 16.5 18.9
1983 16.5 18.9
1982 16.5 19
1981 16.5 19.1
1980 16.5 19.1
1979 16.6 19.2
1978 16.6 19.3
1977 16.7 19.4
1976 16.8 19.5
1975 16.8 19.6
1974 16.9 19.8
1973 17 19.9
1972 17.1 20.1
1971 17.2 20.2
1970 17.4 20.4
1969 17.6 20.6
1968 18 20.7
1967 18.4 20.8
1966 18.7 20.9
1965 19 20.9
1964 19.2 21
1963 19.3 21
1962 19.5 21.1
1961 19.6 21.1
1960 19.7 21.1

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

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

Interactive Maps

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National statistics comparison

Finance

Comoros Sierra Leone
GNI, Atlas method
$1.38B
2024
$7.08B
2024
Government expenditure, % of GDP
19.1%
2024
15.6%
2024
Education expenditure, % of GDP
2.34%
2023
2.62%
2023
Military expenditure, % of GDP n/a
0.46%
2024
Armed forces personnel n/a
9,000
2020
Deficit/surplus, % of GDP
-2.92%
2024
-4.53%
2024
Unemployment rate
4.39%
2021
3.19%
2018
Services, % of GDP
50.1%
2024
42.6%
2024
Industry, % of GDP
9.56%
2024
25.6%
2024
Economic freedom index
52.7
2026
49.6
2026
Income share by richest 10%
33.6%
2014
29.4%
2018
Income share by poorest 10%
1.6%
2014
3.4%
2018
Total reserves including gold
$324M
2024
$433M
2024
Personal remittances received
$282M
2024
$321M
2024
International tourist arrivals
7,000
2020
71,000
2019
International tourism as share of exports
26.8%
2020
5.49%
2018
Banked people share
45.5%
2024
38.6%
2024

Energy

Comoros Sierra Leone
Energy use, kg of oil equivalent per capita
66.5 kg
2007
n/a
GDP PPP per kg equivalent of energy use
$32.8
2007
n/a
Carbon dioxide (CO2) emissions
0.45 megatons
2024
1.46 megatons
2024
CO2 emissions per capita
0.51 tons
2024
0.17 tons
2024
Fossil fuel energy use share
0%
2007
n/a
Renewable energy use share
39.3%
2022
71.6%
2022
Renewable electricity output share
0%
2021
75.3%
2021
Hydroelectric share
0%
2021
70.5%
2021
Nuclear share
0%
2021
0%
2021
Electricity access
89.8%
2023
35.5%
2023

Society

Comoros Sierra Leone
% of world population
0.01%
2024
0.11%
2024
Annual migration change
-2,127
2025
-11,309
2025
Urban population
33.5%
2024
45.4%
2024
Male:Female ratio
50.3:49.7
2024
49.9:50.1
2024
Average male height
5.5 ft
2025
5.46 ft
2025
Average female height
5.13 ft
2025
5.16 ft
2025
Quality of life index
15.6
2026
29.4
2026
Corruption Perceptions Index
20
2025
34
2025
Higher education index n/a
20
2026
Homicides per 100K people
7.7
2015
2.14
2020
Road traffic mortality per 100K people
26.6
2019
33
2019
Visa free countries
61
2025
66
2025
Adult literacy rate
61.7%
2022
48.6%
2022
English speaking
0%
2025
83.5%
2023
People using the Internet
35.7%
2023
20.6%
2023

Health

Comoros Sierra Leone
Government health expenditure per capita
$102.2
2023
$35.8
2023
Out-of-pocket health expenditure per capita
$57.8
2023
$19.5
2023
Life expectancy
67.5 years
2026
62.3 years
2026
Foreign aid share of health expenditure
26.8%
2023
28.5%
2023
Physicians per 1,000 people
0.42
2022
0.13
2022
Age at first childbirth
23 years
2025
19.6 years
2025
Maternal mortality per 100K births
179
2023
354
2023
Mortality rate before reaching 5 years of age
39.8
2023
94.3
2023
Obesity rate
16.8%
2022
7.32%
2022
Diabetes prevalence
10.8%
2024
4.8%
2024
Air quality index
66
2026
16
2026
Tobacco use prevalence
17.2%
2022
12.9%
2022
Pure alcohol consumption per capita
0.23 liters
2020
0.29 liters
2020

Territory

Comoros Sierra Leone
% of world land
0.001%
2026
0.05%
2026
Land area per capita
829 sq mi
2024
3,225 sq mi
2024
Agricultural land area
514 sq mi
2026
15,247 sq mi
2026
Forest area
122 sq mi
2026
9,559 sq mi
2026
Roads length
547 mi
2002
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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