Nigeria has a population of 233M (ranked 6/197), compared with 8.64M in Sierra Leone (ranked 102/197). Nigeria's land area is 351,650 sq mi versus 27,869 sq mi for Sierra Leone (ranked 30th vs. 116th).
By GDP, Nigeria ranks 54/197 ($252B) and Sierra Leone ranks 160/197 ($6.97B). By GDP per capita, Nigeria ranks 174/197 ($1,084), while Sierra Leone ranks 186/197 ($807).
Main facts and rankings
Nigeria
|
Sierra Leone
|
|
|---|---|---|
| Population |
243824469
|
9049533
|
| Population rank | 6/197 | 101/197 |
| GDP |
$252B
2024 |
$6.97B
2024 |
| GDP rank | 54/197 | 160/197 |
| GDP per capita |
$1,084
2024 |
$807
2024 |
| GDP per capita rank | 174/197 | 186/197 |
| GDP per capita, PPP |
$9,087
2024 |
$3,522
2024 |
| Government debt |
$99.2B
2024 |
$2.91B
2024 |
| Debt-to-GDP ratio |
39.3%
2024 |
41.7%
2024 |
| Government debt per person |
$426
2024 |
$337
2024 |
| Government debt per person rank | 170/185 | 174/185 |
| Average annual personal income after taxes |
$1,104
2026 |
$2,915
2026 |
| Land area | 351,650 sq mi | 27,869 sq mi |
| Population density |
690 ppl/mi²
2026 |
323 ppl/mi²
2026 |
| Fertility rate |
4.48
2023 |
3.79
2023 |
| Median age |
19 years
2024 |
20.5 years
2024 |
| Life expectancy |
55 years
2026 |
62.3 years
2026 |
Nigeria and Sierra Leone: Comparison Charts
Nigeria and Sierra Leone economies compared
| Year | GDP | |
|---|---|---|
|
Nigeria
|
Sierra Leone
|
|
| 2024 | $252,261,880,141 | $6,971,127,235 |
| 2023 | $487,387,801,881 | $6,415,852,767 |
| 2022 | $646,950,257,578 | $7,121,125,278 |
| 2021 | $609,147,716,973 | $7,166,931,485 |
| 2020 | $598,586,817,819 | $6,688,307,703 |
| 2019 | $668,219,992,691 | $6,523,577,594 |
| 2018 | $421,739,251,509 | $6,390,514,689 |
| 2017 | $375,745,731,053 | $5,749,846,528 |
| 2016 | $404,649,125,252 | $6,084,297,211 |
| 2015 | $493,026,682,801 | $6,788,352,975 |
| 2014 | $574,183,763,412 | $7,686,138,791 |
| 2013 | $520,117,180,314 | $7,502,762,863 |
| 2012 | $463,971,018,239 | $6,141,666,509 |
| 2011 | $414,466,676,831 | $4,861,632,885 |
| 2010 | $366,990,417,129 | $4,262,805,967 |
| 2009 | $295,008,835,381 | $3,953,403,098 |
| 2008 | $339,476,276,258 | $4,157,895,298 |
| 2007 | $278,260,846,800 | $3,632,957,611 |
| 2006 | $238,454,997,161 | $3,263,697,467 |
| 2005 | $175,670,569,969 | $2,545,275,313 |
| 2004 | $135,764,731,646 | $2,237,350,687 |
| 2003 | $104,738,954,264 | $2,142,618,046 |
| 2002 | $95,054,059,303 | $1,933,863,911 |
| 2001 | $73,557,840,064 | $1,681,473,894 |
| 2000 | $69,171,451,627 | $635,866,404 |
| 1999 | $59,145,077,039 | $669,386,624 |
| 1998 | $218,416,200,673 | $672,368,187 |
| 1997 | $200,850,397,618 | $850,232,760 |
| 1996 | $185,730,236,700 | $941,709,423 |
| 1995 | $140,919,776,986 | $870,740,292 |
| 1994 | $80,399,613,064 | $911,853,802 |
| 1993 | $56,721,051,402 | $768,867,883 |
| 1992 | $52,058,181,854 | $679,940,814 |
| 1991 | $59,526,833,412 | $779,981,987 |
| 1990 | $54,035,795,388 | $649,644,098 |
| 1989 | $44,003,061,108 | $932,974,420 |
| 1988 | $49,648,470,440 | $1,055,083,933 |
| 1987 | $52,676,041,931 | $660,106,336 |
| 1986 | $54,805,852,581 | $490,181,457 |
| 1985 | $73,745,821,158 | $856,890,459 |
| 1984 | $73,484,359,521 | $1,087,471,862 |
| 1983 | $97,094,911,792 | $995,104,305 |
| 1982 | $142,769,363,314 | $1,295,361,886 |
| 1981 | $164,475,209,516 | $1,114,830,472 |
| 1980 | $64,201,788,123 | $1,100,685,845 |
| 1979 | $47,259,911,894 | $1,109,374,911 |
| 1978 | $36,527,862,209 | $960,728,339 |
| 1977 | $36,035,407,725 | $691,777,584 |
| 1976 | $36,308,883,249 | $594,895,942 |
| 1975 | $27,778,934,625 | $679,336,344 |
| 1974 | $24,846,641,318 | $648,590,643 |
| 1973 | $15,162,871,287 | $575,230,724 |
| 1972 | $12,274,416,018 | $465,381,340 |
| 1971 | $9,181,769,912 | $419,549,305 |
| 1970 | $12,546,094,982 | $434,410,974 |
| 1969 | $6,634,317,346 | $408,690,163 |
| 1968 | $5,200,997,920 | $329,859,732 |
| 1967 | $5,203,237,919 | $348,795,303 |
| 1966 | $6,366,917,453 | $375,479,850 |
| 1965 | $5,874,537,650 | $359,379,856 |
| 1964 | $5,552,931,319 | $371,847,461 |
| 1963 | $5,165,590,254 | $348,547,279 |
| 1962 | $4,909,399,176 | $342,721,416 |
| 1961 | $4,467,287,893 | $327,834,191 |
| 1960 | $4,196,174,502 | $322,009,962 |
Data sources: World Bank | Economy & Growth (1960–2024, retrieved 2026-04-06).
GeoRank.org/facts/nigeria/sierra-leone | CC BY 
Nigeria and Sierra Leone economies compared
| Year | GDP per capita | |
|---|---|---|
|
Nigeria
|
Sierra Leone
|
|
| 2024 | $1,084 | $807 |
| 2023 | $2,139 | $758 |
| 2022 | $2,899 | $860 |
| 2021 | $2,787 | $885 |
| 2020 | $2,797 | $845 |
| 2019 | $3,190 | $844 |
| 2018 | $2,058 | $846 |
| 2017 | $1,876 | $779 |
| 2016 | $2,070 | $844 |
| 2015 | $2,586 | $965 |
| 2014 | $3,089 | $1,118 |
| 2013 | $2,873 | $1,117 |
| 2012 | $2,633 | $938 |
| 2011 | $2,418 | $761 |
| 2010 | $2,202 | $685 |
| 2009 | $1,820 | $653 |
| 2008 | $2,154 | $705 |
| 2007 | $1,816 | $632 |
| 2006 | $1,600 | $580 |
| 2005 | $1,211 | $463 |
| 2004 | $962 | $418 |
| 2003 | $763 | $414 |
| 2002 | $712 | $389 |
| 2001 | $566 | $358 |
| 2000 | $547 | $143.7 |
| 1999 | $481 | $155 |
| 1998 | $1,822 | $156.5 |
| 1997 | $1,720 | $199.9 |
| 1996 | $1,633 | $224.3 |
| 1995 | $1,272 | $208.4 |
| 1994 | $745 | $218.5 |
| 1993 | $540 | $185 |
| 1992 | $509 | $163.2 |
| 1991 | $597 | $183.7 |
| 1990 | $556 | $154.8 |
| 1989 | $465 | $231.3 |
| 1988 | $540 | $268.2 |
| 1987 | $588 | $172.4 |
| 1986 | $628 | $131.5 |
| 1985 | $869 | $235.5 |
| 1984 | $890 | $306 |
| 1983 | $1,207 | $285.8 |
| 1982 | $1,822 | $380 |
| 1981 | $2,162 | $334 |
| 1980 | $870 | $336 |
| 1979 | $661 | $346 |
| 1978 | $527 | $305 |
| 1977 | $536 | $224.2 |
| 1976 | $556 | $196.4 |
| 1975 | $438 | $228.4 |
| 1974 | $403 | $222.1 |
| 1973 | $252.4 | $200.6 |
| 1972 | $209.5 | $165.4 |
| 1971 | $160.5 | $151.8 |
| 1970 | $224.5 | $160.2 |
| 1969 | $121.4 | $153.6 |
| 1968 | $97.3 | $126.3 |
| 1967 | $99.5 | $136.1 |
| 1966 | $124.4 | $149.3 |
| 1965 | $117.3 | $145.6 |
| 1964 | $113.3 | $153.4 |
| 1963 | $107.7 | $146.3 |
| 1962 | $104.5 | $146.3 |
| 1961 | $97.1 | $142.3 |
| 1960 | $93.1 | $142 |
Data sources: World Bank | Economy & Growth (1960–2024, retrieved 2026-04-06).
GeoRank.org/facts/nigeria/sierra-leone | CC BY
Nigeria vs. Sierra Leone life expectancy calculator
| Year | Life expectancy, years | |
|---|---|---|
|
Nigeria
|
Sierra Leone
|
|
| 2026 | 55 | 62.3 |
| 2025 | 54.8 | 62.2 |
| 2024 | 54.6 | 62 |
| 2023 | 54.5 | 61.8 |
| 2022 | 54.1 | 61.3 |
| 2021 | 53.5 | 60.3 |
| 2020 | 53.1 | 59.7 |
| 2019 | 53 | 59.6 |
| 2018 | 52.7 | 59.1 |
| 2017 | 52.4 | 57.8 |
| 2016 | 52.2 | 56.9 |
| 2015 | 51.9 | 55.5 |
| 2014 | 51.9 | 54.3 |
| 2013 | 51.8 | 54.1 |
| 2012 | 51.7 | 53.2 |
| 2011 | 51.5 | 52.6 |
| 2010 | 51.3 | 51.9 |
| 2009 | 51.1 | 51.3 |
| 2008 | 50.7 | 50.7 |
| 2007 | 50.4 | 50 |
| 2006 | 49.9 | 49.5 |
| 2005 | 49.5 | 48.3 |
| 2004 | 49.1 | 47.5 |
| 2003 | 48.6 | 46.8 |
| 2002 | 48 | 46.2 |
| 2001 | 47.5 | 45.4 |
| 2000 | 47.1 | 44.8 |
| 1999 | 46.6 | 42 |
| 1998 | 46.1 | 42.7 |
| 1997 | 46 | 43.6 |
| 1996 | 45.8 | 43.5 |
| 1995 | 45.9 | 42.6 |
| 1994 | 45.7 | 42.8 |
| 1993 | 45.8 | 43.4 |
| 1992 | 45.6 | 43.5 |
| 1991 | 45.5 | 43.3 |
| 1990 | 45.7 | 43.7 |
| 1989 | 45.8 | 43.7 |
| 1988 | 45.8 | 43.8 |
| 1987 | 45.9 | 43.7 |
| 1986 | 46 | 43.5 |
| 1985 | 46.2 | 43.6 |
| 1984 | 46.3 | 43.6 |
| 1983 | 46.4 | 43.5 |
| 1982 | 46.4 | 43.3 |
| 1981 | 46.3 | 43.1 |
| 1980 | 46 | 42.8 |
| 1979 | 45.7 | 42.5 |
| 1978 | 45.3 | 42.2 |
| 1977 | 44.8 | 41.8 |
| 1976 | 44.2 | 41.4 |
| 1975 | 43.1 | 41 |
| 1974 | 42.5 | 40.4 |
| 1973 | 41.8 | 40 |
| 1972 | 41.3 | 39.5 |
| 1971 | 40.6 | 39.1 |
| 1970 | 40 | 38.6 |
| 1969 | 38.9 | 38.2 |
| 1968 | 38.6 | 37.8 |
| 1967 | 37.5 | 37.3 |
| 1966 | 38.4 | 36.6 |
| 1965 | 38.2 | 35.9 |
| 1964 | 38 | 35.3 |
| 1963 | 37.8 | 34.7 |
| 1962 | 37.6 | 34.2 |
| 1961 | 37.4 | 33.6 |
| 1960 | 37.2 | 33.1 |
| 1959 | 37 | 32.6 |
| 1958 | 36.8 | 32.1 |
| 1957 | 36.6 | 31.8 |
| 1956 | 36.5 | 31.3 |
| 1955 | 36.3 | 30.9 |
| 1954 | 36.2 | 30.5 |
| 1953 | 36 | 30.1 |
| 1952 | 35.9 | 29.7 |
| 1951 | 35.7 | 29.3 |
| 1950 | 35.5 | 28.9 |
Data sources: United Nations | World Population Prospects (1950–2026, retrieved 2026-03-10).
GeoRank.org/facts/nigeria/sierra-leone | CC BY
Nigeria and Sierra Leone population clocks and comparison
| Year | Population | |
|---|---|---|
|
Nigeria
|
Sierra Leone
|
|
| 2024 | 232,679,478 | 8,642,022 |
| 2023 | 227,882,945 | 8,460,512 |
| 2022 | 223,150,896 | 8,276,807 |
| 2021 | 218,529,286 | 8,094,602 |
| 2020 | 213,996,181 | 7,912,558 |
| 2019 | 209,485,641 | 7,731,991 |
| 2018 | 204,938,755 | 7,554,563 |
| 2017 | 200,254,579 | 7,379,299 |
| 2016 | 195,443,700 | 7,205,328 |
| 2015 | 190,671,878 | 7,037,655 |
| 2014 | 185,896,915 | 6,876,385 |
| 2013 | 181,049,443 | 6,714,051 |
| 2012 | 176,200,625 | 6,551,080 |
| 2011 | 171,379,598 | 6,387,251 |
| 2010 | 166,642,886 | 6,222,714 |
| 2009 | 162,049,464 | 6,055,646 |
| 2008 | 157,595,014 | 5,894,722 |
| 2007 | 153,267,261 | 5,749,352 |
| 2006 | 149,077,334 | 5,624,466 |
| 2005 | 145,017,253 | 5,501,712 |
| 2004 | 141,057,045 | 5,355,717 |
| 2003 | 137,202,644 | 5,177,687 |
| 2002 | 133,471,989 | 4,971,435 |
| 2001 | 129,862,595 | 4,692,716 |
| 2000 | 126,382,494 | 4,423,611 |
| 1999 | 123,047,320 | 4,318,043 |
| 1998 | 119,846,254 | 4,295,785 |
| 1997 | 116,754,792 | 4,253,716 |
| 1996 | 113,754,779 | 4,199,210 |
| 1995 | 110,819,428 | 4,179,179 |
| 1994 | 107,935,714 | 4,173,105 |
| 1993 | 105,122,069 | 4,157,130 |
| 1992 | 102,372,770 | 4,166,366 |
| 1991 | 99,720,162 | 4,246,267 |
| 1990 | 97,120,925 | 4,196,828 |
| 1989 | 94,531,014 | 4,034,037 |
| 1988 | 92,020,090 | 3,934,517 |
| 1987 | 89,591,716 | 3,829,718 |
| 1986 | 87,235,953 | 3,728,380 |
| 1985 | 84,897,973 | 3,638,438 |
| 1984 | 82,526,443 | 3,558,758 |
| 1983 | 80,438,260 | 3,481,646 |
| 1982 | 78,378,701 | 3,408,183 |
| 1981 | 76,068,103 | 3,338,940 |
| 1980 | 73,764,641 | 3,272,089 |
| 1979 | 71,498,242 | 3,207,499 |
| 1978 | 69,326,532 | 3,145,517 |
| 1977 | 67,234,590 | 3,085,354 |
| 1976 | 65,258,009 | 3,028,820 |
| 1975 | 63,410,815 | 2,974,657 |
| 1974 | 61,679,144 | 2,920,459 |
| 1973 | 60,082,139 | 2,866,955 |
| 1972 | 58,601,748 | 2,814,388 |
| 1971 | 57,214,684 | 2,763,222 |
| 1970 | 55,893,838 | 2,712,286 |
| 1969 | 54,631,914 | 2,661,365 |
| 1968 | 53,432,783 | 2,611,532 |
| 1967 | 52,293,065 | 2,562,384 |
| 1966 | 51,188,234 | 2,514,638 |
| 1965 | 50,086,764 | 2,468,666 |
| 1964 | 49,012,016 | 2,424,390 |
| 1963 | 47,973,575 | 2,382,258 |
| 1962 | 46,965,292 | 2,342,242 |
| 1961 | 45,989,310 | 2,304,227 |
| 1960 | 45,053,782 | 2,268,356 |
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/facts/nigeria/sierra-leone | CC BY
Fertility rates in Nigeria and Sierra Leone
| Year | Fertility rate | |
|---|---|---|
|
Nigeria
|
Sierra Leone
|
|
| 2023 | 4.48 | 3.79 |
| 2022 | 4.55 | 3.88 |
| 2021 | 4.64 | 3.98 |
| 2020 | 4.7 | 4.08 |
| 2019 | 4.86 | 4.19 |
| 2018 | 5.02 | 4.29 |
| 2017 | 5.18 | 4.39 |
| 2016 | 5.34 | 4.47 |
| 2015 | 5.5 | 4.55 |
| 2014 | 5.62 | 4.7 |
| 2013 | 5.69 | 4.87 |
| 2012 | 5.8 | 5.06 |
| 2011 | 5.89 | 5.21 |
| 2010 | 5.95 | 5.33 |
| 2009 | 5.99 | 5.45 |
| 2008 | 6.02 | 5.56 |
| 2007 | 6.03 | 5.64 |
| 2006 | 6.05 | 5.74 |
| 2005 | 6.06 | 5.81 |
| 2004 | 6.09 | 5.92 |
| 2003 | 6.1 | 6.09 |
| 2002 | 6.12 | 6.23 |
| 2001 | 6.13 | 6.31 |
| 2000 | 6.12 | 6.36 |
| 1999 | 6.08 | 6.42 |
| 1998 | 6.07 | 6.5 |
| 1997 | 6.14 | 6.53 |
| 1996 | 6.22 | 6.55 |
| 1995 | 6.27 | 6.56 |
| 1994 | 6.32 | 6.56 |
| 1993 | 6.35 | 6.57 |
| 1992 | 6.39 | 6.56 |
| 1991 | 6.43 | 6.55 |
| 1990 | 6.46 | 6.57 |
| 1989 | 6.49 | 6.57 |
| 1988 | 6.5 | 6.59 |
| 1987 | 6.5 | 6.61 |
| 1986 | 6.56 | 6.6 |
| 1985 | 6.62 | 6.59 |
| 1984 | 6.7 | 6.59 |
| 1983 | 6.78 | 6.57 |
| 1982 | 6.8 | 6.56 |
| 1981 | 6.82 | 6.55 |
| 1980 | 6.85 | 6.56 |
| 1979 | 6.89 | 6.58 |
| 1978 | 6.92 | 6.59 |
| 1977 | 6.86 | 6.57 |
| 1976 | 6.81 | 6.55 |
| 1975 | 6.77 | 6.55 |
| 1974 | 6.7 | 6.53 |
| 1973 | 6.63 | 6.47 |
| 1972 | 6.58 | 6.45 |
| 1971 | 6.53 | 6.43 |
| 1970 | 6.47 | 6.41 |
| 1969 | 6.44 | 6.39 |
| 1968 | 6.42 | 6.39 |
| 1967 | 6.4 | 6.38 |
| 1966 | 6.39 | 6.35 |
| 1965 | 6.37 | 6.31 |
| 1964 | 6.36 | 6.29 |
| 1963 | 6.35 | 6.26 |
| 1962 | 6.36 | 6.22 |
| 1961 | 6.35 | 6.21 |
| 1960 | 6.36 | 6.18 |
Data sources: World Bank | Health (1960–2023, retrieved 2026-04-06).
GeoRank.org/facts/nigeria/sierra-leone | CC BY
Nigeria and Sierra Leone demographics compared
| Year | Median age, years | |
|---|---|---|
|
Nigeria
|
Sierra Leone
|
|
| 2024 | 19 | 20.5 |
| 2023 | 18.8 | 20.3 |
| 2022 | 18.7 | 20 |
| 2021 | 18.5 | 19.8 |
| 2020 | 18.3 | 19.6 |
| 2019 | 18.2 | 19.4 |
| 2018 | 18 | 19.2 |
| 2017 | 17.9 | 19.1 |
| 2016 | 17.8 | 18.9 |
| 2015 | 17.8 | 18.7 |
| 2014 | 17.7 | 18.6 |
| 2013 | 17.7 | 18.5 |
| 2012 | 17.7 | 18.4 |
| 2011 | 17.7 | 18.3 |
| 2010 | 17.8 | 18.2 |
| 2009 | 17.8 | 18.1 |
| 2008 | 17.8 | 18.1 |
| 2007 | 17.9 | 18 |
| 2006 | 17.9 | 18 |
| 2005 | 17.9 | 18 |
| 2004 | 17.9 | 17.9 |
| 2003 | 17.9 | 17.9 |
| 2002 | 17.9 | 17.9 |
| 2001 | 17.9 | 18 |
| 2000 | 17.9 | 18 |
| 1999 | 17.9 | 18 |
| 1998 | 17.8 | 18.1 |
| 1997 | 17.7 | 18.1 |
| 1996 | 17.6 | 18.2 |
| 1995 | 17.6 | 18.2 |
| 1994 | 17.5 | 18.3 |
| 1993 | 17.4 | 18.4 |
| 1992 | 17.4 | 18.4 |
| 1991 | 17.3 | 18.5 |
| 1990 | 17.3 | 18.5 |
| 1989 | 17.3 | 18.6 |
| 1988 | 17.3 | 18.6 |
| 1987 | 17.3 | 18.7 |
| 1986 | 17.3 | 18.7 |
| 1985 | 17.3 | 18.8 |
| 1984 | 17.4 | 18.9 |
| 1983 | 17.5 | 18.9 |
| 1982 | 17.6 | 19 |
| 1981 | 17.7 | 19.1 |
| 1980 | 17.8 | 19.1 |
| 1979 | 17.9 | 19.2 |
| 1978 | 18 | 19.3 |
| 1977 | 18.2 | 19.4 |
| 1976 | 18.3 | 19.5 |
| 1975 | 18.4 | 19.6 |
| 1974 | 18.5 | 19.8 |
| 1973 | 18.6 | 19.9 |
| 1972 | 18.7 | 20.1 |
| 1971 | 18.8 | 20.2 |
| 1970 | 18.9 | 20.4 |
| 1969 | 19.1 | 20.6 |
| 1968 | 19.2 | 20.7 |
| 1967 | 19.2 | 20.8 |
| 1966 | 19.3 | 20.9 |
| 1965 | 19.3 | 20.9 |
| 1964 | 19.3 | 21 |
| 1963 | 19.3 | 21 |
| 1962 | 19.3 | 21.1 |
| 1961 | 19.3 | 21.1 |
| 1960 | 19.3 | 21.1 |
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/facts/nigeria/sierra-leone | CC BY
Interactive Maps
Use the buttons below to switch between world maps comparing statistics for Nigeria and Sierra Leone.
National statistics comparison
Finance
|
Nigeria
|
Sierra Leone
|
|
|---|---|---|
| GNI, Atlas method |
$396B
2024 |
$7.08B
2024 |
| Government expenditure, % of GDP |
12.3%
2024 |
15.6%
2024 |
| Education expenditure, % of GDP |
0.32%
2023 |
2.62%
2023 |
| Military expenditure, % of GDP |
0.56%
2024 |
0.46%
2024 |
| Armed forces personnel |
223,000
2020 |
9,000
2020 |
| Deficit/surplus, % of GDP |
-1.57%
2024 |
-4.53%
2024 |
| Unemployment rate |
3.45%
2024 |
3.19%
2018 |
| Services, % of GDP |
53.7%
2024 |
42.6%
2024 |
| Industry, % of GDP |
18.2%
2024 |
25.6%
2024 |
| Economic freedom index |
54.8
2026 |
49.6
2026 |
| Income share by richest 10% |
26.3%
2022 |
29.4%
2018 |
| Income share by poorest 10% |
3%
2022 |
3.4%
2018 |
| Number of billionaires |
4
2025 |
n/a |
| Percentage of billionaires |
0.000004%
2025 |
n/a |
| Listed domestic companies |
169
2024 |
n/a |
| Market capitalization of domestic companies |
$54.4B
2024 |
n/a |
| Total reserves including gold |
$38.6B
2024 |
$433M
2024 |
| Personal remittances received |
$21.3B
2024 |
$321M
2024 |
| International tourist arrivals |
5,265,000
2016 |
71,000
2019 |
| International tourism as share of exports |
0.8%
2020 |
5.49%
2018 |
| Banked people share |
63.3%
2024 |
38.6%
2024 |
Energy
|
Nigeria
|
Sierra Leone
|
|
|---|---|---|
| Energy use, kg of oil equivalent per capita |
333 kg
2022 |
n/a |
| GDP PPP per kg equivalent of energy use |
$24.9
2022 |
n/a |
| Carbon dioxide (CO2) emissions |
131.9 megatons
2024 |
1.46 megatons
2024 |
| CO2 emissions per capita |
0.57 tons
2024 |
0.17 tons
2024 |
| Fossil fuel energy use share |
55.7%
2022 |
n/a |
| Renewable energy use share |
80.3%
2021 |
71.6%
2022 |
| Alternative and nuclear energy use share |
1.08%
2022 |
n/a |
| Net energy imports use share |
-66.3%
2022 |
n/a |
| Electric power consumption per capita |
135.6 kWh
2022 |
n/a |
| Renewable electricity output share |
23.8%
2021 |
75.3%
2021 |
| Hydroelectric share |
24.3%
2022 |
70.5%
2021 |
| Nuclear share |
0%
2021 |
0%
2021 |
| Electricity access |
61.2%
2023 |
35.5%
2023 |
Society
|
Nigeria
|
Sierra Leone
|
|
|---|---|---|
| % of world population |
2.86%
2024 |
0.11%
2024 |
| Annual migration change |
-15,258
2025 |
-11,309
2025 |
| Urban population |
63%
2024 |
45.4%
2024 |
| Male:Female ratio |
50.6:49.4
2024 |
49.9:50.1
2024 |
| Average male height |
5.63 ft
2025 |
5.46 ft
2025 |
| Average female height |
5.19 ft
2025 |
5.16 ft
2025 |
| Quality of life index |
15.2
2026 |
29.4
2026 |
| Corruption Perceptions Index |
26
2025 |
34
2025 |
| Higher education index |
57
2026 |
20
2026 |
| Homicides per 100K people |
21.7
2019 |
2.14
2020 |
| Road traffic mortality per 100K people |
20.7
2019 |
33
2019 |
| Visa free countries |
52
2025 |
66
2025 |
| Adult literacy rate |
70.4%
2024 |
48.6%
2022 |
| English speaking |
60.6%
2023 |
83.5%
2023 |
| People using the Internet |
39.2%
2023 |
20.6%
2023 |
Health
|
Nigeria
|
Sierra Leone
|
|
|---|---|---|
| Government health expenditure per capita |
$66.8
2023 |
$35.8
2023 |
| Out-of-pocket health expenditure per capita |
$48
2023 |
$19.5
2023 |
| Life expectancy |
55 years
2026 |
62.3 years
2026 |
| Foreign aid share of health expenditure |
11.3%
2023 |
28.5%
2023 |
| Physicians per 1,000 people |
0.38
2023 |
0.13
2022 |
| Age at first childbirth |
20.4 years
2025 |
19.6 years
2025 |
| Maternal mortality per 100K births |
993
2023 |
354
2023 |
| Mortality rate before reaching 5 years of age |
104.9
2023 |
94.3
2023 |
| Obesity rate |
12.8%
2022 |
7.32%
2022 |
| Diabetes prevalence |
3%
2024 |
4.8%
2024 |
| Air quality index |
8
2026 |
16
2026 |
| Tobacco use prevalence |
3.3%
2022 |
12.9%
2022 |
| Pure alcohol consumption per capita |
3.78 liters
2020 |
0.29 liters
2020 |
Territory
|
Nigeria
|
Sierra Leone
|
|
|---|---|---|
| % of world land |
0.61%
2026 |
0.05%
2026 |
| Land area per capita |
1,511 sq mi
2024 |
3,225 sq mi
2024 |
| Agricultural land area |
267,948 sq mi
2026 |
15,247 sq mi
2026 |
| Forest area |
81,611 sq mi
2026 |
9,559 sq mi
2026 |
| Roads length |
121,167 mi
2017 |
7,270 mi
2015 |
In-depth comparisons
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Data sources:
- World Bank | Health (1960–2025, retrieved 2026-04-06)
- United Nations | World Population Prospects (1950–2026, retrieved 2026-03-10)
- U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
- Central Intelligence Agency (CIA) (2000–2025, retrieved 2026-02-20)
- International Monetary Fund (IMF) | Fiscal Monitor (2024, retrieved 2026-02-20)
- LivingCost (2026, retrieved 2025-10-14)
- World Obesity Federation (2022, retrieved 2026-02-08)
- Passport Index (2025, retrieved 2026-02-08)
- Transparency International (2025, retrieved 2026-02-10)
- The Heritage Foundation | Economic Freedom Index (2026, retrieved 2026-03-09)
- EduRank (2026, retrieved 2025-10-13)
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