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Mauritania vs Sierra Leone statistics compared

Updated on by Georank team

Mauritania has a population of 5.17M (ranked 125/197), compared with 8.64M in Sierra Leone (ranked 102/197). Mauritania's land area is 397,955 sq mi versus 27,869 sq mi for Sierra Leone (ranked 28th vs. 116th).

By GDP, Mauritania ranks 152/197 ($10.8B) and Sierra Leone ranks 157/197 ($7.55B). By GDP per capita, Mauritania ranks 157/197 ($2,083), while Sierra Leone ranks 183/197 ($873).

Main facts and rankings

Mauritania Sierra Leone
Population
5432542
8961932
Population rank 123/197 102/197
GDP
$10.8B
2024
$7.55B
2024
GDP rank 152/197 157/197
GDP per capita
$2,083
2024
$873
2024
GDP per capita rank 157/197 183/197
GDP per capita, PPP
$7,271
2024
$3,516
2024
Government debt
$4.84B
2024
$3.25B
2024
Debt-to-GDP ratio
45.7%
2025
44.3%
2025
Government debt per person
$936
2024
$376
2024
Government debt per person rank 144/185 174/185
Average annual personal income after taxes
$2,194
2025
$3,438
2025
Land area
397,955 sq mi
2025
27,869 sq mi
2025
Population density
13 ppl/mi²
2024
310 ppl/mi²
2024
Fertility rate
4.7
2023
3.79
2023
Median age
18.4 years
2024
20.5 years
2024
Life expectancy
68.9 years
2025
62.2 years
2025

Mauritania and Sierra Leone: Comparison Charts

Mauritania and Sierra Leone economies compared

GDP
Mauritania

Sierra Leone
Year GDP
Mauritania Sierra Leone
1960 - $322,151,961
1961 $159,213,430 $327,978,758
1962 $164,271,558 $342,872,549
1963 $168,186,297 $348,700,980
1964 $224,495,744 $372,011,438
1965 $255,340,475 $359,523,810
1966 $266,533,605 $375,630,252
1967 $282,615,310 $348,895,028
1968 $311,395,937 $329,991,597
1969 $295,062,308 $408,853,541
1970 $309,405,316 $434,584,634
1971 $335,568,907 $419,495,788
1972 $391,669,449 $465,254,682
1973 $493,237,876 $575,471,814
1974 $613,010,553 $648,940,351
1975 $703,377,837 $679,352,876
1976 $775,045,517 $594,810,422
1977 $799,030,017 $692,079,407
1978 $804,629,877 $960,765,043
1979 $951,900,945 $1,109,343,425
1980 $1,047,925,106 $1,100,476,190
1981 $1,105,494,682 $1,114,926,661
1982 $1,108,776,653 $1,294,995,964
1983 $1,165,171,263 $995,278,515
1984 $1,074,373,230 $1,087,450,199
1985 $1,009,723,326 $856,890,459
1986 $1,186,628,778 $490,181,457
1987 $1,344,664,725 $660,106,336
1988 $1,414,951,290 $1,055,083,933
1989 $1,450,647,019 $932,974,420
1990 $1,506,914,408 $649,644,098
1991 $2,133,692,697 $779,981,987
1992 $2,164,298,425 $679,940,814
1993 $1,847,353,211 $768,867,883
1994 $1,944,876,755 $911,853,802
1995 $2,091,726,101 $870,740,292
1996 $2,132,087,009 $941,709,423
1997 $2,071,996,564 $850,232,760
1998 $2,032,347,665 $672,368,187
1999 $1,985,922,776 $669,386,624
2000 $1,779,520,886 $635,866,404
2001 $1,746,063,558 $1,681,473,894
2002 $1,777,057,481 $1,933,863,911
2003 $2,051,147,607 $2,142,618,046
2004 $2,362,501,023 $2,237,350,687
2005 $2,936,019,526 $2,545,275,313
2006 $3,919,577,286 $3,263,697,467
2007 $4,346,212,355 $3,632,957,611
2008 $5,206,437,194 $4,157,895,298
2009 $4,714,595,548 $3,953,403,098
2010 $5,628,878,798 $4,262,805,967
2011 $6,764,627,746 $4,861,632,885
2012 $6,728,208,836 $6,141,666,509
2013 $7,223,071,097 $7,502,762,863
2014 $6,592,537,782 $7,686,138,791
2015 $6,166,863,897 $6,788,352,975
2016 $6,398,747,592 $6,084,297,211
2017 $6,800,135,898 $5,749,846,528
2018 $7,473,550,557 $6,390,514,689
2019 $7,894,764,886 $6,526,183,564
2020 $8,260,752,385 $6,693,888,876
2021 $9,222,536,364 $7,173,379,137
2022 $9,557,966,698 $7,124,465,160
2023 $10,651,709,314 $6,411,787,856
2024 $10,766,731,874 $7,547,843,281

Mauritania and Sierra Leone economies compared

GDP per capita
Mauritania

Sierra Leone
Year GDP per capita
Mauritania Sierra Leone
1960 - $142
1961 $188.2 $142.3
1962 $189 $146.4
1963 $188.2 $146.4
1964 $244.3 $153.4
1965 $270 $145.6
1966 $273.6 $149.4
1967 $281.5 $136.2
1968 $301 $126.4
1969 $276.6 $153.6
1970 $281.3 $160.2
1971 $296 $151.8
1972 $335 $165.3
1973 $410 $200.7
1974 $494 $222.2
1975 $551 $228.4
1976 $589 $196.4
1977 $590 $224.3
1978 $578 $305
1979 $664 $346
1980 $711 $336
1981 $729 $334
1982 $710 $380
1983 $725 $285.9
1984 $650 $306
1985 $593 $235.5
1986 $677 $131.5
1987 $746 $172.4
1988 $762 $268.2
1989 $762 $231.3
1990 $772 $154.8
1991 $1,062 $183.7
1992 $1,036 $163.2
1993 $850 $185
1994 $865 $218.5
1995 $905 $208.4
1996 $904 $224.3
1997 $859 $199.9
1998 $821 $156.5
1999 $781 $155
2000 $681 $143.7
2001 $652 $358
2002 $649 $389
2003 $732 $414
2004 $824 $418
2005 $999 $463
2006 $1,301 $580
2007 $1,405 $632
2008 $1,636 $705
2009 $1,435 $653
2010 $1,660 $685
2011 $1,931 $761
2012 $1,859 $938
2013 $1,934 $1,117
2014 $1,713 $1,118
2015 $1,555 $965
2016 $1,566 $844
2017 $1,615 $779
2018 $1,723 $846
2019 $1,767 $844
2020 $1,796 $846
2021 $1,948 $886
2022 $1,960 $861
2023 $2,121 $758
2024 $2,083 $873

Mauritania vs. Sierra Leone life expectancy calculator

Life expectancy
Mauritania

Sierra Leone
Year Life expectancy, years
Mauritania Sierra Leone
1950 38.4 28.9
1951 38.8 29.3
1952 39.2 29.7
1953 39.6 30.1
1954 40.1 30.5
1955 40.6 30.9
1956 41.1 31.3
1957 41.7 31.8
1958 42.3 32.1
1959 42.9 32.6
1960 43.6 33.1
1961 44.3 33.6
1962 45 34.2
1963 45.8 34.7
1964 46.6 35.3
1965 47.4 35.9
1966 48.1 36.6
1967 48.9 37.3
1968 49.5 37.8
1969 50.1 38.2
1970 50.5 38.6
1971 50.8 39.1
1972 51 39.5
1973 51.2 40
1974 51.4 40.4
1975 51.6 41
1976 51.8 41.4
1977 52 41.8
1978 52.3 42.2
1979 52.8 42.5
1980 53.2 42.8
1981 53.7 43.1
1982 54.2 43.3
1983 54.6 43.5
1984 55.2 43.6
1985 55.8 43.6
1986 56.3 43.5
1987 57 43.7
1988 57.5 43.8
1989 57.7 43.7
1990 58.1 43.7
1991 58.3 43.3
1992 58.6 43.5
1993 58.7 43.4
1994 58.8 42.8
1995 58.9 42.6
1996 58.9 43.5
1997 59.4 43.6
1998 59.9 42.7
1999 60.4 42
2000 61 44.8
2001 61.7 45.4
2002 62.2 46.2
2003 62.8 46.8
2004 63.4 47.5
2005 63.9 48.3
2006 64.5 49.5
2007 64.9 50
2008 65.2 50.7
2009 65.5 51.3
2010 65.7 51.9
2011 65.8 52.6
2012 65.8 53.2
2013 65.9 54.1
2014 66.2 54.3
2015 66.5 55.5
2016 66.8 56.9
2017 67.1 57.8
2018 67.4 59.1
2019 67.6 59.6
2020 66.8 59.7
2021 66.8 60.3
2022 68.3 61.3
2023 68.5 61.8
2024 68.7 62
2025 68.9 62.2

Mauritania and Sierra Leone population clocks and comparison

Population
Mauritania

Sierra Leone
Year Population
Mauritania Sierra Leone
1960 824,298 2,268,356
1961 846,167 2,304,227
1962 869,184 2,342,242
1963 893,423 2,382,258
1964 918,955 2,424,390
1965 945,838 2,468,666
1966 974,157 2,514,638
1967 1,003,843 2,562,384
1968 1,034,739 2,611,532
1969 1,066,754 2,661,365
1970 1,099,806 2,712,286
1971 1,133,702 2,763,222
1972 1,168,355 2,814,388
1973 1,203,838 2,866,955
1974 1,240,188 2,920,459
1975 1,277,330 2,974,657
1976 1,315,336 3,028,820
1977 1,353,768 3,085,354
1978 1,392,713 3,145,517
1979 1,432,758 3,207,499
1980 1,474,043 3,272,089
1981 1,516,877 3,338,940
1982 1,561,176 3,408,183
1983 1,606,746 3,481,646
1984 1,653,693 3,558,758
1985 1,702,107 3,638,438
1986 1,751,835 3,728,380
1987 1,803,014 3,829,718
1988 1,855,859 3,934,517
1989 1,903,048 4,034,037
1990 1,951,878 4,196,828
1991 2,009,738 4,246,267
1992 2,088,135 4,166,366
1993 2,174,328 4,157,130
1994 2,249,454 4,173,105
1995 2,312,017 4,179,179
1996 2,358,188 4,199,210
1997 2,411,306 4,253,716
1998 2,474,651 4,295,785
1999 2,541,698 4,318,043
2000 2,613,441 4,423,611
2001 2,678,760 4,692,716
2002 2,738,655 4,971,435
2003 2,802,046 5,177,687
2004 2,868,664 5,355,717
2005 2,939,059 5,501,712
2006 3,013,660 5,624,466
2007 3,093,059 5,749,352
2008 3,183,269 5,894,722
2009 3,284,448 6,055,646
2010 3,390,965 6,222,714
2011 3,502,811 6,387,251
2012 3,619,034 6,551,080
2013 3,734,318 6,714,051
2014 3,848,514 6,876,385
2015 3,965,959 7,037,655
2016 4,086,657 7,205,328
2017 4,210,600 7,379,299
2018 4,337,685 7,554,563
2019 4,467,708 7,731,991
2020 4,600,131 7,912,558
2021 4,734,874 8,094,602
2022 4,875,637 8,276,807
2023 5,022,441 8,460,512
2024 5,169,395 8,642,022

Fertility rates in Mauritania and Sierra Leone

Fertility rate
Mauritania

Sierra Leone
Year Fertility rate
Mauritania Sierra Leone
1960 6.15 6.18
1961 6.2 6.21
1962 6.24 6.22
1963 6.31 6.26
1964 6.37 6.29
1965 6.44 6.31
1966 6.52 6.35
1967 6.57 6.38
1968 6.6 6.39
1969 6.64 6.39
1970 6.68 6.41
1971 6.7 6.43
1972 6.71 6.45
1973 6.72 6.47
1974 6.73 6.53
1975 6.71 6.55
1976 6.73 6.55
1977 6.74 6.57
1978 6.73 6.59
1979 6.7 6.58
1980 6.67 6.56
1981 6.64 6.55
1982 6.59 6.56
1983 6.54 6.57
1984 6.48 6.59
1985 6.42 6.59
1986 6.34 6.6
1987 6.27 6.61
1988 6.21 6.59
1989 6.2 6.57
1990 6.18 6.57
1991 6.16 6.55
1992 6.13 6.56
1993 6.09 6.57
1994 6.06 6.56
1995 5.96 6.56
1996 5.86 6.55
1997 5.74 6.53
1998 5.62 6.5
1999 5.52 6.42
2000 5.46 6.36
2001 5.41 6.31
2002 5.37 6.23
2003 5.36 6.09
2004 5.37 5.92
2005 5.38 5.81
2006 5.4 5.74
2007 5.43 5.64
2008 5.44 5.56
2009 5.41 5.45
2010 5.38 5.33
2011 5.38 5.21
2012 5.35 5.06
2013 5.32 4.87
2014 5.26 4.7
2015 5.21 4.55
2016 5.16 4.47
2017 5.11 4.39
2018 5.04 4.29
2019 4.98 4.19
2020 4.91 4.08
2021 4.85 3.98
2022 4.77 3.88
2023 4.7 3.79

Mauritania and Sierra Leone demographics compared

Median age
Mauritania

Sierra Leone
Year Median age, years
Mauritania Sierra Leone
1960 18.8 21.1
1961 18.8 21.1
1962 18.8 21.1
1963 18.8 21
1964 18.8 21
1965 18.7 20.9
1966 18.6 20.9
1967 18.5 20.8
1968 18.4 20.7
1969 18.3 20.6
1970 18.1 20.4
1971 17.9 20.2
1972 17.7 20.1
1973 17.6 19.9
1974 17.4 19.8
1975 17.3 19.6
1976 17.2 19.5
1977 17.1 19.4
1978 17.1 19.3
1979 17 19.2
1980 17 19.1
1981 17 19.1
1982 17 19
1983 17 18.9
1984 17 18.9
1985 17 18.8
1986 17 18.7
1987 17.1 18.7
1988 17.1 18.6
1989 17.1 18.6
1990 17.1 18.5
1991 17.2 18.5
1992 17.3 18.4
1993 17.6 18.4
1994 17.6 18.3
1995 17.6 18.2
1996 17.5 18.2
1997 17.5 18.1
1998 17.5 18.1
1999 17.6 18
2000 17.7 18
2001 17.7 18
2002 17.7 17.9
2003 17.7 17.9
2004 17.7 17.9
2005 17.7 18
2006 17.6 18
2007 17.6 18
2008 17.7 18.1
2009 17.8 18.1
2010 17.8 18.2
2011 17.9 18.3
2012 17.8 18.4
2013 17.8 18.5
2014 17.8 18.6
2015 17.8 18.7
2016 17.8 18.9
2017 17.8 19.1
2018 17.8 19.2
2019 17.9 19.4
2020 17.9 19.6
2021 18 19.8
2022 18.1 20
2023 18.2 20.3
2024 18.4 20.5

Interactive Maps

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

GDP per capita

GDP

Life expectancy

Population

Population density

Fertility rate

Median age

Land area

National statistics comparison

Finance

Mauritania Sierra Leone
GNI, Atlas method
$10.8B
2024
$7.26B
2024
Government expenditure, % of GDP
25.5%
2025
17.7%
2025
Education expenditure, % of GDP
4.72%
2023
2.62%
2023
Military expenditure, % of GDP
2.55%
2023
0.56%
2023
Armed forces personnel
21,000
2020
9,000
2020
Deficit/surplus, % of GDP
-1.27%
2025
-4.2%
2025
Unemployment rate
10.4%
2019
3.19%
2018
Services, % of GDP
43.2%
2024
44.8%
2024
Industry, % of GDP
30.6%
2024
27.3%
2024
Economic freedom index
54.9
2025
48
2025
Income share by richest 10%
24.6%
2019
29.4%
2018
Income share by poorest 10%
3.1%
2019
3.4%
2018
Total reserves including gold
$2.04B
2021
$433M
2024
Personal remittances received
$94.5M
2024
$322M
2024
International tourist arrivals
30,000
2000
71,000
2019
International tourism as share of exports
0.23%
2020
5.49%
2018
Banked people share
27.3%
2024
38.6%
2024

Energy

Mauritania Sierra Leone
Carbon dioxide (CO2) emissions
4.65 megatons
2023
1.07 megatons
2023
CO2 emissions per capita
0.93 tons
2023
0.13 tons
2023
Renewable energy use share
19.6%
2022
71.6%
2022
Renewable electricity output share
19.4%
2021
75.3%
2021
Hydroelectric share
0%
2021
70.5%
2021
Nuclear share
0%
2021
0%
2021
Electricity access
50.3%
2023
35.5%
2023

Society

Mauritania Sierra Leone
% of world population
0.06%
2024
0.11%
2024
Annual migration change
-2,185
2024
-11,000
2024
Urban population
58.5%
2024
44.8%
2024
Male:Female ratio
50:50
2024
50:50
2024
Average male height
5.43 ft
2025
5.46 ft
2025
Average female height
5.25 ft
2025
5.16 ft
2025
Quality of life index
29.4
2025
30.5
2025
Corruption Perceptions Index
30
2024
33
2024
Higher education index
14
2025
16
2025
Homicides per 100K people
1.02
2020
2.14
2020
Road traffic mortality per 100K people
25.6
2019
33
2019
Visa free countries
65
2025
68
2025
Adult literacy rate
67%
2021
48.6%
2022
English speaking
4%
2025
83.5%
2023
People using the Internet
37.4%
2023
20.6%
2023

Health

Mauritania Sierra Leone
Government health expenditure per capita
$90.4
2022
$39.3
2022
Out-of-pocket health expenditure per capita
$36.9
2022
$20.7
2022
Life expectancy
68.9 years
2025
62.2 years
2025
Foreign aid share of health expenditure
17.5%
2022
28%
2022
Physicians per 1,000 people
0.24
2022
0.04
2022
Age at first childbirth
21.8 years
2025
19.6 years
2025
Maternal mortality per 100K births
381
2023
354
2023
Mortality rate before reaching 5 years of age, per 1,000 live births
37.8
2023
94.3
2023
Obesity rate
23%
2022
7.32%
2022
Diabetes prevalence
5.2%
2024
4.8%
2024
Air quality index
26
2025
16
2025
Tobacco use prevalence
9.5%
2022
12.9%
2022
Pure alcohol consumption per capita
0 liters
2020
0.29 liters
2020

Territory

Mauritania Sierra Leone
% of world land
0.69%
2025
0.05%
2025
Land area per capita
76,983 sq mi
2024
3,225 sq mi
2024
Agricultural land area
153,321 sq mi
2025
15,247 sq mi
2025
Forest area
1,145 sq mi
2025
9,559 sq mi
2025
Roads length
7,614 mi
2018
7,270 mi
2015

In-depth comparisons

Facts comparisons

Facts vs Mauritania vs Sierra Leone
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