Brunei has a population of 463K (ranked 170/197), compared with 8.64M in Sierra Leone (ranked 102/197). Brunei's land area is 2,035 sq mi versus 27,869 sq mi for Sierra Leone (ranked 165th vs. 116th).
By GDP, Brunei ranks 142/197 ($15.3B) and Sierra Leone ranks 160/197 ($6.97B). By GDP per capita, Brunei ranks 36/197 ($33,153), while Sierra Leone ranks 186/197 ($807).
Main facts and rankings
Brunei
|
Sierra Leone
|
|
|---|---|---|
| Population |
470884
|
9049533
|
| Population rank | 170/197 | 101/197 |
| GDP |
$15.3B
2024 |
$6.97B
2024 |
| GDP rank | 142/197 | 160/197 |
| GDP per capita |
$33,153
2024 |
$807
2024 |
| GDP per capita rank | 36/197 | 186/197 |
| GDP per capita, PPP |
$89,879
2024 |
$3,522
2024 |
| Government debt |
$351M
2024 |
$2.91B
2024 |
| Debt-to-GDP ratio |
2.29%
2024 |
41.7%
2024 |
| Government debt per person |
$759
2024 |
$337
2024 |
| Government debt per person rank | 153/185 | 174/185 |
| Average annual personal income after taxes |
$24,405
2026 |
$2,915
2026 |
| Land area | 2,035 sq mi | 27,869 sq mi |
| Population density |
231 ppl/mi²
2026 |
323 ppl/mi²
2026 |
| Fertility rate |
1.75
2023 |
3.79
2023 |
| Median age |
33.2 years
2024 |
20.5 years
2024 |
| Life expectancy |
75.8 years
2026 |
62.3 years
2026 |
Brunei and Sierra Leone: Comparison Charts
Brunei and Sierra Leone economies compared
| Year | GDP | |
|---|---|---|
|
Brunei
|
Sierra Leone
|
|
| 2024 | $15,340,808,592 | $6,971,127,235 |
| 2023 | $15,095,084,656 | $6,415,852,767 |
| 2022 | $16,681,536,467 | $7,121,125,278 |
| 2021 | $14,006,496,617 | $7,166,931,485 |
| 2020 | $12,005,799,654 | $6,688,307,703 |
| 2019 | $13,469,235,365 | $6,523,577,594 |
| 2018 | $13,566,908,391 | $6,390,514,689 |
| 2017 | $12,128,168,045 | $5,749,846,528 |
| 2016 | $11,400,266,045 | $6,084,297,211 |
| 2015 | $12,930,296,870 | $6,788,352,975 |
| 2014 | $17,097,797,386 | $7,686,138,791 |
| 2013 | $18,094,148,099 | $7,502,762,863 |
| 2012 | $19,048,443,341 | $6,141,666,509 |
| 2011 | $18,524,791,063 | $4,861,632,885 |
| 2010 | $13,707,121,038 | $4,262,805,967 |
| 2009 | $11,912,904,510 | $3,953,403,098 |
| 2008 | $15,926,456,515 | $4,157,895,298 |
| 2007 | $13,432,029,484 | $3,632,957,611 |
| 2006 | $12,644,616,419 | $3,263,697,467 |
| 2005 | $10,547,202,621 | $2,545,275,313 |
| 2004 | $8,619,178,774 | $2,237,350,687 |
| 2003 | $7,167,725,262 | $2,142,618,046 |
| 2002 | $6,333,082,876 | $1,933,863,911 |
| 2001 | $6,096,155,767 | $1,681,473,894 |
| 2000 | $6,570,999,088 | $635,866,404 |
| 1999 | $6,309,070,378 | $669,386,624 |
| 1998 | $5,550,846,020 | $672,368,187 |
| 1997 | $7,793,034,376 | $850,232,760 |
| 1996 | $7,663,377,306 | $941,709,423 |
| 1995 | $7,700,144,069 | $870,740,292 |
| 1994 | $6,467,782,518 | $911,853,802 |
| 1993 | $6,203,339,912 | $768,867,883 |
| 1992 | $6,327,966,435 | $679,940,814 |
| 1991 | $6,284,497,294 | $779,981,987 |
| 1990 | $6,039,881,087 | $649,644,098 |
| 1989 | $4,983,622,881 | $932,974,420 |
| 1988 | $4,535,130,305 | $1,055,083,933 |
| 1987 | $4,918,010,080 | $660,106,336 |
| 1986 | $4,190,280,003 | $490,181,457 |
| 1985 | $6,967,623,884 | $856,890,459 |
| 1984 | $7,632,788,075 | $1,087,471,862 |
| 1983 | $7,927,590,750 | $995,104,305 |
| 1982 | $8,932,198,186 | $1,295,361,886 |
| 1981 | $9,367,218,664 | $1,114,830,472 |
| 1980 | $10,795,432,294 | $1,100,685,845 |
| 1979 | $6,044,367,628 | $1,109,374,911 |
| 1978 | $4,100,423,674 | $960,728,339 |
| 1977 | $3,681,242,528 | $691,777,584 |
| 1976 | $3,054,765,590 | $594,895,942 |
| 1975 | $2,496,420,258 | $679,336,344 |
| 1974 | $2,319,576,214 | $648,590,643 |
| 1973 | $433,095,527 | $575,230,724 |
| 1972 | $270,822,782 | $465,381,340 |
| 1971 | $197,525,768 | $419,549,305 |
| 1970 | $179,078,929 | $434,410,974 |
| 1969 | $161,210,236 | $408,690,163 |
| 1968 | $160,818,236 | $329,859,732 |
| 1967 | $139,029,537 | $348,795,303 |
| 1966 | $132,757,528 | $375,479,850 |
| 1965 | $114,039,501 | $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/brunei/sierra-leone | CC BY 
Brunei and Sierra Leone economies compared
| Year | GDP per capita | |
|---|---|---|
|
Brunei
|
Sierra Leone
|
|
| 2024 | $33,153 | $807 |
| 2023 | $32,891 | $758 |
| 2022 | $36,633 | $860 |
| 2021 | $31,007 | $885 |
| 2020 | $26,834 | $845 |
| 2019 | $30,427 | $844 |
| 2018 | $30,988 | $846 |
| 2017 | $28,024 | $779 |
| 2016 | $26,663 | $844 |
| 2015 | $30,625 | $965 |
| 2014 | $41,027 | $1,118 |
| 2013 | $44,003 | $1,117 |
| 2012 | $46,969 | $938 |
| 2011 | $46,383 | $761 |
| 2010 | $34,938 | $685 |
| 2009 | $30,946 | $653 |
| 2008 | $42,157 | $705 |
| 2007 | $36,217 | $632 |
| 2006 | $34,675 | $580 |
| 2005 | $29,386 | $463 |
| 2004 | $24,423 | $418 |
| 2003 | $20,678 | $414 |
| 2002 | $18,621 | $389 |
| 2001 | $18,288 | $358 |
| 2000 | $20,130 | $143.7 |
| 1999 | $19,752 | $155 |
| 1998 | $17,769 | $156.5 |
| 1997 | $25,522 | $199.9 |
| 1996 | $25,692 | $224.3 |
| 1995 | $26,443 | $208.4 |
| 1994 | $22,767 | $218.5 |
| 1993 | $22,397 | $185 |
| 1992 | $23,451 | $163.2 |
| 1991 | $23,932 | $183.7 |
| 1990 | $23,659 | $154.8 |
| 1989 | $20,090 | $231.3 |
| 1988 | $18,825 | $268.2 |
| 1987 | $21,030 | $172.4 |
| 1986 | $18,501 | $131.5 |
| 1985 | $31,827 | $235.5 |
| 1984 | $36,061 | $306 |
| 1983 | $38,720 | $285.8 |
| 1982 | $45,075 | $380 |
| 1981 | $48,793 | $334 |
| 1980 | $58,005 | $336 |
| 1979 | $33,501 | $346 |
| 1978 | $23,447 | $305 |
| 1977 | $21,747 | $224.2 |
| 1976 | $18,671 | $196.4 |
| 1975 | $15,793 | $228.4 |
| 1974 | $15,195 | $222.1 |
| 1973 | $2,939 | $200.6 |
| 1972 | $1,905 | $165.4 |
| 1971 | $1,432 | $151.8 |
| 1970 | $1,325 | $160.2 |
| 1969 | $1,226 | $153.6 |
| 1968 | $1,274 | $126.3 |
| 1967 | $1,149 | $136.1 |
| 1966 | $1,146 | $149.3 |
| 1965 | $1,029 | $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/brunei/sierra-leone | CC BY
Brunei vs. Sierra Leone life expectancy calculator
| Year | Life expectancy, years | |
|---|---|---|
|
Brunei
|
Sierra Leone
|
|
| 2026 | 75.8 | 62.3 |
| 2025 | 75.7 | 62.2 |
| 2024 | 75.5 | 62 |
| 2023 | 75.3 | 61.8 |
| 2022 | 72.9 | 61.3 |
| 2021 | 74.9 | 60.3 |
| 2020 | 75.1 | 59.7 |
| 2019 | 75 | 59.6 |
| 2018 | 75 | 59.1 |
| 2017 | 74.9 | 57.8 |
| 2016 | 74.9 | 56.9 |
| 2015 | 74.9 | 55.5 |
| 2014 | 74.9 | 54.3 |
| 2013 | 74.9 | 54.1 |
| 2012 | 74.8 | 53.2 |
| 2011 | 74.8 | 52.6 |
| 2010 | 74.8 | 51.9 |
| 2009 | 74.8 | 51.3 |
| 2008 | 74.8 | 50.7 |
| 2007 | 74.8 | 50 |
| 2006 | 74.8 | 49.5 |
| 2005 | 74.7 | 48.3 |
| 2004 | 74.6 | 47.5 |
| 2003 | 74.5 | 46.8 |
| 2002 | 74.4 | 46.2 |
| 2001 | 74.2 | 45.4 |
| 2000 | 74 | 44.8 |
| 1999 | 73.8 | 42 |
| 1998 | 73.6 | 42.7 |
| 1997 | 73.3 | 43.6 |
| 1996 | 73.1 | 43.5 |
| 1995 | 72.8 | 42.6 |
| 1994 | 72.6 | 42.8 |
| 1993 | 72.3 | 43.4 |
| 1992 | 72.1 | 43.5 |
| 1991 | 71.9 | 43.3 |
| 1990 | 71.6 | 43.7 |
| 1989 | 71.4 | 43.7 |
| 1988 | 71.2 | 43.8 |
| 1987 | 71 | 43.7 |
| 1986 | 70.8 | 43.5 |
| 1985 | 70.5 | 43.6 |
| 1984 | 70.2 | 43.6 |
| 1983 | 70 | 43.5 |
| 1982 | 69.7 | 43.3 |
| 1981 | 69.3 | 43.1 |
| 1980 | 69 | 42.8 |
| 1979 | 68.6 | 42.5 |
| 1978 | 68.3 | 42.2 |
| 1977 | 67.8 | 41.8 |
| 1976 | 67.4 | 41.4 |
| 1975 | 67 | 41 |
| 1974 | 66.4 | 40.4 |
| 1973 | 66 | 40 |
| 1972 | 65.4 | 39.5 |
| 1971 | 65 | 39.1 |
| 1970 | 64.5 | 38.6 |
| 1969 | 64 | 38.2 |
| 1968 | 63.5 | 37.8 |
| 1967 | 62.9 | 37.3 |
| 1966 | 62.4 | 36.6 |
| 1965 | 61.7 | 35.9 |
| 1964 | 61.3 | 35.3 |
| 1963 | 60.6 | 34.7 |
| 1962 | 58.8 | 34.2 |
| 1961 | 59.4 | 33.6 |
| 1960 | 58.7 | 33.1 |
| 1959 | 58 | 32.6 |
| 1958 | 57.3 | 32.1 |
| 1957 | 56.5 | 31.8 |
| 1956 | 55.7 | 31.3 |
| 1955 | 55 | 30.9 |
| 1954 | 54.2 | 30.5 |
| 1953 | 53.3 | 30.1 |
| 1952 | 52.4 | 29.7 |
| 1951 | 51.5 | 29.3 |
| 1950 | 50.6 | 28.9 |
Data sources: United Nations | World Population Prospects (1950–2026, retrieved 2026-03-10).
GeoRank.org/facts/brunei/sierra-leone | CC BY
Brunei and Sierra Leone population clocks and comparison
| Year | Population | |
|---|---|---|
|
Brunei
|
Sierra Leone
|
|
| 2024 | 462,721 | 8,642,022 |
| 2023 | 458,949 | 8,460,512 |
| 2022 | 455,370 | 8,276,807 |
| 2021 | 451,721 | 8,094,602 |
| 2020 | 447,404 | 7,912,558 |
| 2019 | 442,680 | 7,731,991 |
| 2018 | 437,810 | 7,554,563 |
| 2017 | 432,772 | 7,379,299 |
| 2016 | 427,564 | 7,205,328 |
| 2015 | 422,212 | 7,037,655 |
| 2014 | 416,750 | 6,876,385 |
| 2013 | 411,202 | 6,714,051 |
| 2012 | 405,557 | 6,551,080 |
| 2011 | 399,389 | 6,387,251 |
| 2010 | 392,332 | 6,222,714 |
| 2009 | 384,952 | 6,055,646 |
| 2008 | 377,793 | 5,894,722 |
| 2007 | 370,873 | 5,749,352 |
| 2006 | 364,663 | 5,624,466 |
| 2005 | 358,916 | 5,501,712 |
| 2004 | 352,911 | 5,355,717 |
| 2003 | 346,637 | 5,177,687 |
| 2002 | 340,099 | 4,971,435 |
| 2001 | 333,345 | 4,692,716 |
| 2000 | 326,424 | 4,423,611 |
| 1999 | 319,411 | 4,318,043 |
| 1998 | 312,385 | 4,295,785 |
| 1997 | 305,341 | 4,253,716 |
| 1996 | 298,276 | 4,199,210 |
| 1995 | 291,195 | 4,179,179 |
| 1994 | 284,091 | 4,173,105 |
| 1993 | 276,971 | 4,157,130 |
| 1992 | 269,839 | 4,166,366 |
| 1991 | 262,596 | 4,246,267 |
| 1990 | 255,292 | 4,196,828 |
| 1989 | 248,064 | 4,034,037 |
| 1988 | 240,913 | 3,934,517 |
| 1987 | 233,860 | 3,829,718 |
| 1986 | 226,495 | 3,728,380 |
| 1985 | 218,919 | 3,638,438 |
| 1984 | 211,661 | 3,558,758 |
| 1983 | 204,741 | 3,481,646 |
| 1982 | 198,165 | 3,408,183 |
| 1981 | 191,977 | 3,338,940 |
| 1980 | 186,111 | 3,272,089 |
| 1979 | 180,422 | 3,207,499 |
| 1978 | 174,884 | 3,145,517 |
| 1977 | 169,277 | 3,085,354 |
| 1976 | 163,607 | 3,028,820 |
| 1975 | 158,070 | 2,974,657 |
| 1974 | 152,656 | 2,920,459 |
| 1973 | 147,369 | 2,866,955 |
| 1972 | 142,189 | 2,814,388 |
| 1971 | 137,921 | 2,763,222 |
| 1970 | 135,138 | 2,712,286 |
| 1969 | 131,446 | 2,661,365 |
| 1968 | 126,222 | 2,611,532 |
| 1967 | 121,017 | 2,562,384 |
| 1966 | 115,874 | 2,514,638 |
| 1965 | 110,838 | 2,468,666 |
| 1964 | 105,922 | 2,424,390 |
| 1963 | 101,159 | 2,382,258 |
| 1962 | 96,719 | 2,342,242 |
| 1961 | 92,517 | 2,304,227 |
| 1960 | 88,347 | 2,268,356 |
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/facts/brunei/sierra-leone | CC BY
Fertility rates in Brunei and Sierra Leone
| Year | Fertility rate | |
|---|---|---|
|
Brunei
|
Sierra Leone
|
|
| 2023 | 1.75 | 3.79 |
| 2022 | 1.76 | 3.88 |
| 2021 | 1.78 | 3.98 |
| 2020 | 1.8 | 4.08 |
| 2019 | 1.82 | 4.19 |
| 2018 | 1.85 | 4.29 |
| 2017 | 1.88 | 4.39 |
| 2016 | 1.92 | 4.47 |
| 2015 | 1.95 | 4.55 |
| 2014 | 1.97 | 4.7 |
| 2013 | 1.98 | 4.87 |
| 2012 | 1.97 | 5.06 |
| 2011 | 1.96 | 5.21 |
| 2010 | 1.94 | 5.33 |
| 2009 | 1.92 | 5.45 |
| 2008 | 1.92 | 5.56 |
| 2007 | 1.93 | 5.64 |
| 2006 | 1.97 | 5.74 |
| 2005 | 2.02 | 5.81 |
| 2004 | 2.1 | 5.92 |
| 2003 | 2.19 | 6.09 |
| 2002 | 2.26 | 6.23 |
| 2001 | 2.34 | 6.31 |
| 2000 | 2.4 | 6.36 |
| 1999 | 2.46 | 6.42 |
| 1998 | 2.53 | 6.5 |
| 1997 | 2.6 | 6.53 |
| 1996 | 2.68 | 6.55 |
| 1995 | 2.79 | 6.56 |
| 1994 | 2.9 | 6.56 |
| 1993 | 3.01 | 6.57 |
| 1992 | 3.11 | 6.56 |
| 1991 | 3.21 | 6.55 |
| 1990 | 3.29 | 6.57 |
| 1989 | 3.36 | 6.57 |
| 1988 | 3.44 | 6.59 |
| 1987 | 3.49 | 6.61 |
| 1986 | 3.55 | 6.6 |
| 1985 | 3.61 | 6.59 |
| 1984 | 3.68 | 6.59 |
| 1983 | 3.75 | 6.57 |
| 1982 | 3.84 | 6.56 |
| 1981 | 3.94 | 6.55 |
| 1980 | 4.07 | 6.56 |
| 1979 | 4.22 | 6.58 |
| 1978 | 4.39 | 6.59 |
| 1977 | 4.58 | 6.57 |
| 1976 | 4.78 | 6.55 |
| 1975 | 4.99 | 6.55 |
| 1974 | 5.18 | 6.53 |
| 1973 | 5.36 | 6.47 |
| 1972 | 5.5 | 6.45 |
| 1971 | 5.62 | 6.43 |
| 1970 | 5.8 | 6.41 |
| 1969 | 6.01 | 6.39 |
| 1968 | 6.2 | 6.39 |
| 1967 | 6.37 | 6.38 |
| 1966 | 6.51 | 6.35 |
| 1965 | 6.65 | 6.31 |
| 1964 | 6.77 | 6.29 |
| 1963 | 6.89 | 6.26 |
| 1962 | 7.03 | 6.22 |
| 1961 | 7.19 | 6.21 |
| 1960 | 7.32 | 6.18 |
Data sources: World Bank | Health (1960–2023, retrieved 2026-04-06).
GeoRank.org/facts/brunei/sierra-leone | CC BY
Brunei and Sierra Leone demographics compared
| Year | Median age, years | |
|---|---|---|
|
Brunei
|
Sierra Leone
|
|
| 2024 | 33.2 | 20.5 |
| 2023 | 32.8 | 20.3 |
| 2022 | 32.3 | 20 |
| 2021 | 31.8 | 19.8 |
| 2020 | 31.4 | 19.6 |
| 2019 | 31 | 19.4 |
| 2018 | 30.6 | 19.2 |
| 2017 | 30.2 | 19.1 |
| 2016 | 29.8 | 18.9 |
| 2015 | 29.5 | 18.7 |
| 2014 | 29.1 | 18.6 |
| 2013 | 28.8 | 18.5 |
| 2012 | 28.4 | 18.4 |
| 2011 | 28.1 | 18.3 |
| 2010 | 28 | 18.2 |
| 2009 | 28 | 18.1 |
| 2008 | 28 | 18.1 |
| 2007 | 28.1 | 18 |
| 2006 | 27.9 | 18 |
| 2005 | 27.5 | 18 |
| 2004 | 27.1 | 17.9 |
| 2003 | 26.8 | 17.9 |
| 2002 | 26.4 | 17.9 |
| 2001 | 26.1 | 18 |
| 2000 | 25.8 | 18 |
| 1999 | 25.5 | 18 |
| 1998 | 25.2 | 18.1 |
| 1997 | 24.9 | 18.1 |
| 1996 | 24.7 | 18.2 |
| 1995 | 24.4 | 18.2 |
| 1994 | 24.1 | 18.3 |
| 1993 | 23.8 | 18.4 |
| 1992 | 23.6 | 18.4 |
| 1991 | 23.4 | 18.5 |
| 1990 | 23.1 | 18.5 |
| 1989 | 22.8 | 18.6 |
| 1988 | 22.6 | 18.6 |
| 1987 | 22.3 | 18.7 |
| 1986 | 22 | 18.7 |
| 1985 | 21.7 | 18.8 |
| 1984 | 21.3 | 18.9 |
| 1983 | 21 | 18.9 |
| 1982 | 20.6 | 19 |
| 1981 | 20.3 | 19.1 |
| 1980 | 20 | 19.1 |
| 1979 | 19.6 | 19.2 |
| 1978 | 19.4 | 19.3 |
| 1977 | 19.1 | 19.4 |
| 1976 | 18.8 | 19.5 |
| 1975 | 18.6 | 19.6 |
| 1974 | 18.3 | 19.8 |
| 1973 | 18.2 | 19.9 |
| 1972 | 18 | 20.1 |
| 1971 | 17.9 | 20.2 |
| 1970 | 17.8 | 20.4 |
| 1969 | 17.7 | 20.6 |
| 1968 | 17.5 | 20.7 |
| 1967 | 17.3 | 20.8 |
| 1966 | 17.2 | 20.9 |
| 1965 | 17 | 20.9 |
| 1964 | 17 | 21 |
| 1963 | 17.1 | 21 |
| 1962 | 17.5 | 21.1 |
| 1961 | 18.1 | 21.1 |
| 1960 | 18.8 | 21.1 |
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/facts/brunei/sierra-leone | CC BY
Interactive Maps
Use the buttons below to switch between world maps comparing statistics for Brunei and Sierra Leone.
National statistics comparison
Finance
|
Brunei
|
Sierra Leone
|
|
|---|---|---|
| GNI, Atlas method |
$16.7B
2024 |
$7.08B
2024 |
| Government expenditure, % of GDP |
29.8%
2024 |
15.6%
2024 |
| Education expenditure, % of GDP |
4.43%
2016 |
2.62%
2023 |
| Military expenditure, % of GDP |
3.58%
2024 |
0.46%
2024 |
| Armed forces personnel |
8,000
2020 |
9,000
2020 |
| Deficit/surplus, % of GDP |
-10.2%
2024 |
-4.53%
2024 |
| Unemployment rate |
4.87%
2024 |
3.19%
2018 |
| Services, % of GDP |
39%
2024 |
42.6%
2024 |
| Industry, % of GDP |
61.7%
2024 |
25.6%
2024 |
| Economic freedom index |
67.5
2026 |
49.6
2026 |
| Income share by richest 10% | n/a |
29.4%
2018 |
| Income share by poorest 10% | n/a |
3.4%
2018 |
| Total reserves including gold |
$4.41B
2024 |
$433M
2024 |
| Personal remittances received |
$1M
2023 |
$321M
2024 |
| International tourist arrivals |
1,071,000
2020 |
71,000
2019 |
| International tourism as share of exports |
2.7%
2018 |
5.49%
2018 |
| Banked people share | n/a |
38.6%
2024 |
Energy
|
Brunei
|
Sierra Leone
|
|
|---|---|---|
| Energy use, kg of oil equivalent per capita |
9,537 kg
2022 |
n/a |
| GDP PPP per kg equivalent of energy use |
$8.58
2022 |
n/a |
| Carbon dioxide (CO2) emissions |
9.37 megatons
2024 |
1.46 megatons
2024 |
| CO2 emissions per capita |
20.2 tons
2024 |
0.17 tons
2024 |
| Fossil fuel energy use share |
100%
2022 |
n/a |
| Renewable energy use share |
0%
2021 |
71.6%
2022 |
| Alternative and nuclear energy use share |
0.01%
2022 |
n/a |
| Net energy imports use share |
-172.6%
2022 |
n/a |
| Electric power consumption per capita |
11,197 kWh
2022 |
n/a |
| Renewable electricity output share |
0.02%
2021 |
75.3%
2021 |
| Hydroelectric share |
0%
2021 |
70.5%
2021 |
| Nuclear share |
0%
2021 |
0%
2021 |
| Electricity access |
100%
2023 |
35.5%
2023 |
Society
|
Brunei
|
Sierra Leone
|
|
|---|---|---|
| % of world population |
0.006%
2024 |
0.11%
2024 |
| Annual migration change |
+0
2025 |
-11,309
2025 |
| Urban population |
74.9%
2024 |
45.4%
2024 |
| Male:Female ratio |
53.1:46.9
2024 |
49.9:50.1
2024 |
| Average male height |
5.46 ft
2025 |
5.46 ft
2025 |
| Average female height |
5.08 ft
2025 |
5.16 ft
2025 |
| Quality of life index |
73.9
2026 |
29.4
2026 |
| Corruption Perceptions Index |
63
2025 |
34
2025 |
| Higher education index |
50
2026 |
20
2026 |
| Homicides per 100K people |
0.49
2013 |
2.14
2020 |
| Road traffic mortality per 100K people |
7.5
2019 |
33
2019 |
| Visa free countries |
152
2025 |
66
2025 |
| Adult literacy rate |
97.6%
2021 |
48.6%
2022 |
| English speaking |
37.8%
2023 |
83.5%
2023 |
| People using the Internet |
99%
2023 |
20.6%
2023 |
Health
|
Brunei
|
Sierra Leone
|
|
|---|---|---|
| Government health expenditure per capita |
$733
2023 |
$35.8
2023 |
| Out-of-pocket health expenditure per capita |
$54.3
2023 |
$19.5
2023 |
| Life expectancy |
75.8 years
2026 |
62.3 years
2026 |
| Foreign aid share of health expenditure |
0%
2023 |
28.5%
2023 |
| Physicians per 1,000 people |
1.89
2021 |
0.13
2022 |
| Age at first childbirth | n/a |
19.6 years
2025 |
| Maternal mortality per 100K births |
36
2023 |
354
2023 |
| Mortality rate before reaching 5 years of age |
9.4
2023 |
94.3
2023 |
| Obesity rate | n/a |
7.32%
2022 |
| Diabetes prevalence |
13.7%
2024 |
4.8%
2024 |
| Air quality index |
62
2026 |
16
2026 |
| Tobacco use prevalence |
16.4%
2022 |
12.9%
2022 |
| Pure alcohol consumption per capita |
0.51 liters
2020 |
0.29 liters
2020 |
Territory
|
Brunei
|
Sierra Leone
|
|
|---|---|---|
| % of world land |
0.004%
2026 |
0.05%
2026 |
| Land area per capita |
4,397 sq mi
2024 |
3,225 sq mi
2024 |
| Agricultural land area |
51.7 sq mi
2026 |
15,247 sq mi
2026 |
| Forest area |
1,467 sq mi
2026 |
9,559 sq mi
2026 |
| Roads length |
1,849 mi
2014 |
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)
- 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)
- World Obesity Federation (2022, retrieved 2026-02-08)
Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.