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Brunei vs Sierra Leone statistics compared

Updated on by Georank team

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
469802
8998687
Population rank 170/197 102/197
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
$3B
2024
Debt-to-GDP ratio
2.13%
2026
44.6%
2026
Government debt per person
$759
2024
$347
2024
Government debt per person rank 153/185 173/185
Average annual personal income after taxes
$22,191
2026
$3,438
2026
Land area
2,035 sq mi
2026
27,869 sq mi
2026
Population density
227.4 ppl/mi²
2024
310 ppl/mi²
2024
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

GDP
Brunei

Sierra Leone
Year GDP
Brunei Sierra Leone
1960 - $322,009,962
1961 - $327,834,191
1962 - $342,721,416
1963 - $348,547,279
1964 - $371,847,461
1965 $114,039,501 $359,379,856
1966 $132,757,528 $375,479,850
1967 $139,029,537 $348,795,303
1968 $160,818,236 $329,859,732
1969 $161,210,236 $408,690,163
1970 $179,078,929 $434,410,974
1971 $197,525,768 $419,549,305
1972 $270,822,782 $465,381,340
1973 $433,095,527 $575,230,724
1974 $2,319,576,214 $648,590,643
1975 $2,496,420,258 $679,336,344
1976 $3,054,765,590 $594,895,942
1977 $3,681,242,528 $691,777,584
1978 $4,100,423,674 $960,728,339
1979 $6,044,367,628 $1,109,374,911
1980 $10,795,432,294 $1,100,685,845
1981 $9,367,218,664 $1,114,830,472
1982 $8,932,198,186 $1,295,361,886
1983 $7,927,590,750 $995,104,305
1984 $7,632,788,075 $1,087,471,862
1985 $6,967,623,884 $856,890,459
1986 $4,190,280,003 $490,181,457
1987 $4,918,010,080 $660,106,336
1988 $4,535,130,305 $1,055,083,933
1989 $4,983,622,881 $932,974,420
1990 $6,039,881,087 $649,644,098
1991 $6,284,497,294 $779,981,987
1992 $6,327,966,435 $679,940,814
1993 $6,203,339,912 $768,867,883
1994 $6,467,782,518 $911,853,802
1995 $7,700,144,069 $870,740,292
1996 $7,663,377,306 $941,709,423
1997 $7,793,034,376 $850,232,760
1998 $5,550,846,020 $672,368,187
1999 $6,309,070,378 $669,386,624
2000 $6,570,999,088 $635,866,404
2001 $6,096,155,767 $1,681,473,894
2002 $6,333,082,876 $1,933,863,911
2003 $7,167,725,262 $2,142,618,046
2004 $8,619,178,774 $2,237,350,687
2005 $10,547,202,621 $2,545,275,313
2006 $12,644,616,419 $3,263,697,467
2007 $13,432,029,484 $3,632,957,611
2008 $15,926,456,515 $4,157,895,298
2009 $11,912,904,510 $3,953,403,098
2010 $13,707,121,038 $4,262,805,967
2011 $18,524,791,063 $4,861,632,885
2012 $19,048,443,341 $6,141,666,509
2013 $18,094,148,099 $7,502,762,863
2014 $17,097,797,386 $7,686,138,791
2015 $12,930,296,870 $6,788,352,975
2016 $11,400,266,045 $6,084,297,211
2017 $12,128,168,045 $5,749,846,528
2018 $13,566,908,391 $6,390,514,689
2019 $13,469,235,365 $6,523,577,594
2020 $12,005,799,654 $6,688,307,703
2021 $14,006,496,617 $7,166,931,485
2022 $16,681,536,467 $7,121,125,278
2023 $15,095,084,656 $6,415,852,767
2024 $15,340,808,592 $6,971,127,235

Brunei and Sierra Leone economies compared

GDP per capita
Brunei

Sierra Leone
Year GDP per capita
Brunei Sierra Leone
1960 - $142
1961 - $142.3
1962 - $146.3
1963 - $146.3
1964 - $153.4
1965 $1,029 $145.6
1966 $1,146 $149.3
1967 $1,149 $136.1
1968 $1,274 $126.3
1969 $1,226 $153.6
1970 $1,325 $160.2
1971 $1,432 $151.8
1972 $1,905 $165.4
1973 $2,939 $200.6
1974 $15,195 $222.1
1975 $15,793 $228.4
1976 $18,671 $196.4
1977 $21,747 $224.2
1978 $23,447 $305
1979 $33,501 $346
1980 $58,005 $336
1981 $48,793 $334
1982 $45,075 $380
1983 $38,720 $285.8
1984 $36,061 $306
1985 $31,827 $235.5
1986 $18,501 $131.5
1987 $21,030 $172.4
1988 $18,825 $268.2
1989 $20,090 $231.3
1990 $23,659 $154.8
1991 $23,932 $183.7
1992 $23,451 $163.2
1993 $22,397 $185
1994 $22,767 $218.5
1995 $26,443 $208.4
1996 $25,692 $224.3
1997 $25,522 $199.9
1998 $17,769 $156.5
1999 $19,752 $155
2000 $20,130 $143.7
2001 $18,288 $358
2002 $18,621 $389
2003 $20,678 $414
2004 $24,423 $418
2005 $29,386 $463
2006 $34,675 $580
2007 $36,217 $632
2008 $42,157 $705
2009 $30,946 $653
2010 $34,938 $685
2011 $46,383 $761
2012 $46,969 $938
2013 $44,003 $1,117
2014 $41,027 $1,118
2015 $30,625 $965
2016 $26,663 $844
2017 $28,024 $779
2018 $30,988 $846
2019 $30,427 $844
2020 $26,834 $845
2021 $31,007 $885
2022 $36,633 $860
2023 $32,891 $758
2024 $33,153 $807

Brunei vs. Sierra Leone life expectancy calculator

Life expectancy
Brunei

Sierra Leone
Year Life expectancy, years
Brunei Sierra Leone
1950 50.6 28.9
1951 51.5 29.3
1952 52.4 29.7
1953 53.3 30.1
1954 54.2 30.5
1955 55 30.9
1956 55.7 31.3
1957 56.5 31.8
1958 57.3 32.1
1959 58 32.6
1960 58.7 33.1
1961 59.4 33.6
1962 58.8 34.2
1963 60.6 34.7
1964 61.3 35.3
1965 61.7 35.9
1966 62.4 36.6
1967 62.9 37.3
1968 63.5 37.8
1969 64 38.2
1970 64.5 38.6
1971 65 39.1
1972 65.4 39.5
1973 66 40
1974 66.4 40.4
1975 67 41
1976 67.4 41.4
1977 67.8 41.8
1978 68.3 42.2
1979 68.6 42.5
1980 69 42.8
1981 69.3 43.1
1982 69.7 43.3
1983 70 43.5
1984 70.2 43.6
1985 70.5 43.6
1986 70.8 43.5
1987 71 43.7
1988 71.2 43.8
1989 71.4 43.7
1990 71.6 43.7
1991 71.9 43.3
1992 72.1 43.5
1993 72.3 43.4
1994 72.6 42.8
1995 72.8 42.6
1996 73.1 43.5
1997 73.3 43.6
1998 73.6 42.7
1999 73.8 42
2000 74 44.8
2001 74.2 45.4
2002 74.4 46.2
2003 74.5 46.8
2004 74.6 47.5
2005 74.7 48.3
2006 74.8 49.5
2007 74.8 50
2008 74.8 50.7
2009 74.8 51.3
2010 74.8 51.9
2011 74.8 52.6
2012 74.8 53.2
2013 74.9 54.1
2014 74.9 54.3
2015 74.9 55.5
2016 74.9 56.9
2017 74.9 57.8
2018 75 59.1
2019 75 59.6
2020 75.1 59.7
2021 74.9 60.3
2022 72.9 61.3
2023 75.3 61.8
2024 75.5 62
2025 75.7 62.2
2026 75.8 62.3

Brunei and Sierra Leone population clocks and comparison

Population
Brunei

Sierra Leone
Year Population
Brunei Sierra Leone
1960 88,347 2,268,356
1961 92,517 2,304,227
1962 96,719 2,342,242
1963 101,159 2,382,258
1964 105,922 2,424,390
1965 110,838 2,468,666
1966 115,874 2,514,638
1967 121,017 2,562,384
1968 126,222 2,611,532
1969 131,446 2,661,365
1970 135,138 2,712,286
1971 137,921 2,763,222
1972 142,189 2,814,388
1973 147,369 2,866,955
1974 152,656 2,920,459
1975 158,070 2,974,657
1976 163,607 3,028,820
1977 169,277 3,085,354
1978 174,884 3,145,517
1979 180,422 3,207,499
1980 186,111 3,272,089
1981 191,977 3,338,940
1982 198,165 3,408,183
1983 204,741 3,481,646
1984 211,661 3,558,758
1985 218,919 3,638,438
1986 226,495 3,728,380
1987 233,860 3,829,718
1988 240,913 3,934,517
1989 248,064 4,034,037
1990 255,292 4,196,828
1991 262,596 4,246,267
1992 269,839 4,166,366
1993 276,971 4,157,130
1994 284,091 4,173,105
1995 291,195 4,179,179
1996 298,276 4,199,210
1997 305,341 4,253,716
1998 312,385 4,295,785
1999 319,411 4,318,043
2000 326,424 4,423,611
2001 333,345 4,692,716
2002 340,099 4,971,435
2003 346,637 5,177,687
2004 352,911 5,355,717
2005 358,916 5,501,712
2006 364,663 5,624,466
2007 370,873 5,749,352
2008 377,793 5,894,722
2009 384,952 6,055,646
2010 392,332 6,222,714
2011 399,389 6,387,251
2012 405,557 6,551,080
2013 411,202 6,714,051
2014 416,750 6,876,385
2015 422,212 7,037,655
2016 427,564 7,205,328
2017 432,772 7,379,299
2018 437,810 7,554,563
2019 442,680 7,731,991
2020 447,404 7,912,558
2021 451,721 8,094,602
2022 455,370 8,276,807
2023 458,949 8,460,512
2024 462,721 8,642,022

Fertility rates in Brunei and Sierra Leone

Fertility rate
Brunei

Sierra Leone
Year Fertility rate
Brunei Sierra Leone
1960 7.32 6.18
1961 7.19 6.21
1962 7.03 6.22
1963 6.89 6.26
1964 6.77 6.29
1965 6.65 6.31
1966 6.51 6.35
1967 6.37 6.38
1968 6.2 6.39
1969 6.01 6.39
1970 5.8 6.41
1971 5.62 6.43
1972 5.5 6.45
1973 5.36 6.47
1974 5.18 6.53
1975 4.99 6.55
1976 4.78 6.55
1977 4.58 6.57
1978 4.39 6.59
1979 4.22 6.58
1980 4.07 6.56
1981 3.94 6.55
1982 3.84 6.56
1983 3.75 6.57
1984 3.68 6.59
1985 3.61 6.59
1986 3.55 6.6
1987 3.49 6.61
1988 3.44 6.59
1989 3.36 6.57
1990 3.29 6.57
1991 3.21 6.55
1992 3.11 6.56
1993 3.01 6.57
1994 2.9 6.56
1995 2.79 6.56
1996 2.68 6.55
1997 2.6 6.53
1998 2.53 6.5
1999 2.46 6.42
2000 2.4 6.36
2001 2.34 6.31
2002 2.26 6.23
2003 2.19 6.09
2004 2.1 5.92
2005 2.02 5.81
2006 1.97 5.74
2007 1.93 5.64
2008 1.92 5.56
2009 1.92 5.45
2010 1.94 5.33
2011 1.96 5.21
2012 1.97 5.06
2013 1.98 4.87
2014 1.97 4.7
2015 1.95 4.55
2016 1.92 4.47
2017 1.88 4.39
2018 1.85 4.29
2019 1.82 4.19
2020 1.8 4.08
2021 1.78 3.98
2022 1.76 3.88
2023 1.75 3.79

Brunei and Sierra Leone demographics compared

Median age
Brunei

Sierra Leone
Year Median age, years
Brunei Sierra Leone
1960 18.8 21.1
1961 18.1 21.1
1962 17.5 21.1
1963 17.1 21
1964 17 21
1965 17 20.9
1966 17.2 20.9
1967 17.3 20.8
1968 17.5 20.7
1969 17.7 20.6
1970 17.8 20.4
1971 17.9 20.2
1972 18 20.1
1973 18.2 19.9
1974 18.3 19.8
1975 18.6 19.6
1976 18.8 19.5
1977 19.1 19.4
1978 19.4 19.3
1979 19.6 19.2
1980 20 19.1
1981 20.3 19.1
1982 20.6 19
1983 21 18.9
1984 21.3 18.9
1985 21.7 18.8
1986 22 18.7
1987 22.3 18.7
1988 22.6 18.6
1989 22.8 18.6
1990 23.1 18.5
1991 23.4 18.5
1992 23.6 18.4
1993 23.8 18.4
1994 24.1 18.3
1995 24.4 18.2
1996 24.7 18.2
1997 24.9 18.1
1998 25.2 18.1
1999 25.5 18
2000 25.8 18
2001 26.1 18
2002 26.4 17.9
2003 26.8 17.9
2004 27.1 17.9
2005 27.5 18
2006 27.9 18
2007 28.1 18
2008 28 18.1
2009 28 18.1
2010 28 18.2
2011 28.1 18.3
2012 28.4 18.4
2013 28.8 18.5
2014 29.1 18.6
2015 29.5 18.7
2016 29.8 18.9
2017 30.2 19.1
2018 30.6 19.2
2019 31 19.4
2020 31.4 19.6
2021 31.8 19.8
2022 32.3 20
2023 32.8 20.3
2024 33.2 20.5

Interactive Maps

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

GDP per capita

GDP

Life expectancy

Population

Population density

Fertility rate

Median age

Land area

National statistics comparison

Finance

Brunei Sierra Leone
GNI, Atlas method
$16.7B
2024
$7.08B
2024
Government expenditure, % of GDP
29.3%
2026
15.4%
2026
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
-11.1%
2026
-2.02%
2026
Unemployment rate
5.3%
2023
3.19%
2018
Services, % of GDP
39%
2024
42.6%
2024
Industry, % of GDP
61.7%
2024
25.6%
2024
Economic freedom index
67
2025
48
2025
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
$322M
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
0%
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
2024
-11,000
2024
Urban population
74.9%
2024
45.4%
2024
Male:Female ratio
50:50
2024
50:50
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
72.3
2026
30.5
2026
Corruption Perceptions Index
60
2020
33
2024
Higher education index
53
2026
16
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
154
2025
68
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
$666
2022
$39.3
2022
Out-of-pocket health expenditure per capita
$51
2022
$20.7
2022
Life expectancy
75.8 years
2026
62.3 years
2026
Foreign aid share of health expenditure
0%
2022
28%
2022
Physicians per 1,000 people
1.91
2021
0.04
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, per 1,000 live births
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

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