Skip to content

Population in Mauritius compared to Sierra Leone: Trends, Charts, Rankings

Updated on by Georank team

The latest officially reported population of Mauritius was 1,245,779 in 2024 vs 8,642,022 people in Sierra Leone in 2024. In 2026, based on the adjusted UN estimation, the current Mauritius' population is 1,240,121 people compared to 9,049,533 in Sierra Leone.

Population statistics:

  • Sierra Leone's population is 7.3 times bigger than Mauritius'.
  • Mauritius is ranked the 157th most populous country in the world, while Sierra Leone is the 101st.
  • The countries together account for 0.12% of the world: 0.01% for Mauritius vs 0.11% for Sierra Leone.
  • For the last 10 years, Mauritius has had an average growth rate of -0.09% per year vs +2.32% in Sierra Leone.
  • Since 2006, the population of Mauritius has increased from 1.23M people to 1.24M (0.5% growth), while Sierra Leone has grown from 5.62M to 9.05M (60.9% growth).

Mauritius vs Sierra Leone: population by year and forecast

Mauritius
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Population
Mauritius Sierra Leone
2100 573,538 16,111,324
2099 581,815 16,126,181
2098 590,276 16,139,280
2097 598,961 16,154,153
2096 607,840 16,164,923
2095 616,931 16,173,557
2094 626,226 16,173,155
2093 635,745 16,177,864
2092 645,427 16,175,032
2091 655,300 16,168,153
2090 665,341 16,158,415
2089 675,562 16,146,773
2088 685,908 16,133,018
2087 696,380 16,116,823
2086 707,018 16,089,780
2085 717,757 16,068,438
2084 728,558 16,044,782
2083 739,420 16,011,134
2082 750,402 15,975,073
2081 761,382 15,935,071
2080 772,374 15,896,846
2079 783,407 15,854,898
2078 794,452 15,805,607
2077 805,529 15,754,551
2076 816,547 15,699,439
2075 827,526 15,639,458
2074 838,506 15,584,377
2073 849,462 15,516,736
2072 860,405 15,446,543
2071 871,223 15,374,790
2070 882,091 15,297,449
2069 892,850 15,216,666
2068 903,547 15,128,048
2067 914,226 15,032,144
2066 924,869 14,935,222
2065 935,546 14,837,697
2064 946,145 14,740,749
2063 956,652 14,642,031
2062 967,159 14,529,557
2061 977,603 14,423,861
2060 988,022 14,311,215
2059 998,355 14,198,706
2058 1,008,603 14,080,827
2057 1,018,853 13,960,869
2056 1,029,103 13,836,132
2055 1,039,228 13,706,113
2054 1,049,313 13,579,802
2053 1,059,364 13,444,465
2052 1,069,276 13,303,409
2051 1,079,090 13,156,370
2050 1,088,773 13,010,109
2049 1,098,370 12,867,021
2048 1,107,805 12,716,015
2047 1,117,049 12,570,250
2046 1,126,022 12,414,307
2045 1,134,772 12,257,874
2044 1,143,155 12,092,075
2043 1,151,325 11,931,531
2042 1,159,078 11,770,467
2041 1,166,543 11,602,993
2040 1,173,673 11,431,337
2039 1,180,437 11,262,807
2038 1,186,773 11,100,099
2037 1,192,770 10,931,629
2036 1,198,476 10,760,758
2035 1,203,871 10,585,702
2034 1,208,936 10,413,826
2033 1,213,705 10,241,196
2032 1,218,138 10,062,575
2031 1,222,267 9,883,708
2030 1,226,049 9,708,038
2029 1,229,806 9,532,000
2028 1,233,411 9,360,873
2027 1,236,833 9,179,702
2026 1,240,121 9,001,269
2025 1,243,139 8,822,114
2024 1,245,779 8,642,022
2023 1,248,647 8,460,512
2022 1,262,523 8,276,807
2021 1,266,334 8,094,602
2020 1,266,014 7,912,558
2019 1,265,985 7,731,991
2018 1,265,577 7,554,563
2017 1,264,887 7,379,299
2016 1,263,747 7,205,328
2015 1,262,879 7,037,655
2014 1,261,208 6,876,385
2013 1,258,927 6,714,051
2012 1,255,882 6,551,080
2011 1,252,404 6,387,251
2010 1,250,400 6,222,714
2009 1,247,429 6,055,646
2008 1,244,121 5,894,722
2007 1,239,630 5,749,352
2006 1,233,996 5,624,466
2005 1,228,254 5,501,712
2004 1,221,003 5,355,717
2003 1,213,370 5,177,687
2002 1,204,621 4,971,435
2001 1,196,287 4,692,716
2000 1,186,873 4,423,611
1999 1,175,267 4,318,043
1998 1,160,421 4,295,785
1997 1,148,284 4,253,716
1996 1,133,996 4,199,210
1995 1,122,457 4,179,179
1994 1,112,846 4,173,105
1993 1,097,374 4,157,130
1992 1,084,441 4,166,366
1991 1,070,266 4,246,267
1990 1,058,775 4,196,828
1989 1,051,260 4,034,037
1988 1,043,239 3,934,517
1987 1,036,082 3,829,718
1986 1,028,360 3,728,380
1985 1,020,528 3,638,438
1984 1,012,221 3,558,758
1983 1,001,691 3,481,646
1982 992,521 3,408,183
1981 980,462 3,338,940
1980 966,039 3,272,089
1979 949,888 3,207,499
1978 933,499 3,145,517
1977 921,379 3,085,354
1976 906,507 3,028,820
1975 892,000 2,974,657
1974 878,042 2,920,459
1973 864,819 2,866,955
1972 852,053 2,814,388
1971 839,230 2,763,222
1970 826,000 2,712,286
1969 812,405 2,661,365
1968 798,413 2,611,532
1967 783,917 2,562,384
1966 768,813 2,514,638
1965 753,000 2,468,666
1964 736,381 2,424,390
1963 718,861 2,382,258
1962 700,349 2,342,242
1961 680,757 2,304,227
1960 680,331 2,268,356

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/population/mauritius/sierra-leone | CC BY

From 2006 to 2016, the population of Mauritius increased by 29,751 people (a 2.41% growth), while Sierra Leone gained 1,580,862 people (a 28.1% growth).

For the next 10 years, from 2016 to 2026, Mauritius lost 23,626 people (a 1.87% decline), while Sierra Leone's population increased by 1,844,205 people (a 25.6% growth).

Mauritius was ranked 151st most populous country in 2006 and is 157th in 2026. Sierra Leone was ranked 106th in 2006 and ranked 101st now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Mauritius' population will shrink by 12.2% to 1,088,773 people with a rank change from 157th to 160th. The population of Sierra Leone will increase by 43.8% to 13,010,109 people and rank change from 101st to 91st.

Sierra Leone is projected to reach its peak in 2093 at 16.2M people, while Mauritius' population already peaked in 2021 at 1.27M people and is projected to decrease to 574K people by 2100.

Population growth rate by year

Mauritius
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Growth rate
Mauritius Sierra Leone
2100 -1.42% -0.09%
2099 -1.43% -0.08%
2098 -1.45% -0.09%
2097 -1.46% -0.07%
2096 -1.47% -0.05%
2095 -1.48% 0.002%
2094 -1.5% -0.03%
2093 -1.5% 0.02%
2092 -1.51% 0.04%
2091 -1.51% 0.06%
2090 -1.51% 0.07%
2089 -1.51% 0.09%
2088 -1.5% 0.1%
2087 -1.5% 0.17%
2086 -1.5% 0.13%
2085 -1.48% 0.15%
2084 -1.47% 0.21%
2083 -1.46% 0.23%
2082 -1.44% 0.25%
2081 -1.42% 0.24%
2080 -1.41% 0.26%
2079 -1.39% 0.31%
2078 -1.38% 0.32%
2077 -1.35% 0.35%
2076 -1.33% 0.38%
2075 -1.31% 0.35%
2074 -1.29% 0.44%
2073 -1.27% 0.45%
2072 -1.24% 0.47%
2071 -1.23% 0.51%
2070 -1.21% 0.53%
2069 -1.18% 0.59%
2068 -1.17% 0.64%
2067 -1.15% 0.65%
2066 -1.14% 0.66%
2065 -1.12% 0.66%
2064 -1.1% 0.67%
2063 -1.09% 0.77%
2062 -1.07% 0.73%
2061 -1.05% 0.79%
2060 -1.04% 0.79%
2059 -1.02% 0.84%
2058 -1.01% 0.86%
2057 -1% 0.9%
2056 -0.97% 0.95%
2055 -0.96% 0.93%
2054 -0.95% 1.01%
2053 -0.93% 1.06%
2052 -0.91% 1.12%
2051 -0.89% 1.12%
2050 -0.87% 1.11%
2049 -0.85% 1.19%
2048 -0.83% 1.16%
2047 -0.8% 1.26%
2046 -0.77% 1.28%
2045 -0.73% 1.37%
2044 -0.71% 1.35%
2043 -0.67% 1.37%
2042 -0.64% 1.44%
2041 -0.61% 1.5%
2040 -0.57% 1.5%
2039 -0.53% 1.47%
2038 -0.5% 1.54%
2037 -0.48% 1.59%
2036 -0.45% 1.65%
2035 -0.42% 1.65%
2034 -0.39% 1.69%
2033 -0.36% 1.78%
2032 -0.34% 1.81%
2031 -0.31% 1.81%
2030 -0.31% 1.85%
2029 -0.29% 1.83%
2028 -0.28% 1.97%
2027 -0.27% 1.98%
2026 -0.24% 2.03%
2025 -0.21% 2.08%
2024 -0.23% 2.15%
2023 -1.1% 2.22%
2022 -0.3% 2.25%
2021 0.03% 2.3%
2020 0.002% 2.34%
2019 0.03% 2.35%
2018 0.05% 2.38%
2017 0.09% 2.41%
2016 0.07% 2.38%
2015 0.13% 2.35%
2014 0.18% 2.42%
2013 0.24% 2.49%
2012 0.28% 2.56%
2011 0.16% 2.64%
2010 0.24% 2.76%
2009 0.27% 2.73%
2008 0.36% 2.53%
2007 0.46% 2.22%
2006 0.47% 2.23%
2005 0.59% 2.73%
2004 0.63% 3.44%
2003 0.73% 4.15%
2002 0.7% 5.94%
2001 0.79% 6.08%
2000 0.99% 2.44%
1999 1.28% 0.52%
1998 1.06% 0.99%
1997 1.26% 1.3%
1996 1.03% 0.48%
1995 0.86% 0.15%
1994 1.41% 0.38%
1993 1.19% -0.22%
1992 1.32% -1.88%
1991 1.09% 1.18%
1990 0.71% 4.04%
1989 0.77% 2.53%
1988 0.69% 2.74%
1987 0.75% 2.72%
1986 0.77% 2.47%
1985 0.82% 2.24%
1984 1.05% 2.21%
1983 0.92% 2.16%
1982 1.23% 2.07%
1981 1.49% 2.04%
1980 1.7% 2.01%
1979 1.76% 1.97%
1978 1.32% 1.95%
1977 1.64% 1.87%
1976 1.63% 1.82%
1975 1.59% 1.86%
1974 1.53% 1.87%
1973 1.5% 1.87%
1972 1.53% 1.85%
1971 1.6% 1.88%
1970 1.67% 1.91%
1969 1.75% 1.91%
1968 1.85% 1.92%
1967 1.96% 1.9%
1966 2.1% 1.86%
1965 2.26% 1.83%
1964 2.44% 1.77%
1963 2.64% 1.71%
1962 2.88% 1.65%
1961 0.06% 1.58%

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1961–2024, retrieved 2026-04-06).

GeoRank.org/population/mauritius/sierra-leone | CC BY

In 2024, the population of Mauritius declined by 0.23%, while Sierra Leone's population grew by 2.15%.

Live population counters

Mauritius Sierra Leone
Current population
1240121
9049533
Population rank 157/197 101/197
Percent of world population 0.01% 0.11%
One net population change
3.05 hours
2.9 minutes
One birth every
41.3 minutes
2.03 minutes
One death every
44.8 minutes
7.5 minutes
Daily growth/decline -8 +497
Annual growth/decline -2,868 +181,510
Annual growth/decline rate -0.23% +2.15%
Population growth rate rank 178/197 47/197
One migration net change every
3.16 hours
46.6 minutes
Annual migration change -2,784 -11,309
Net migration rank 103/196 136/196
Foreign-born residents 29,142 49,997
Foreign-born residents rank 165/195 151/195
Foreign-born share of population 2.3% 0.6%
Foreign-born share rank 129/195 174/195

Natural population change vs migration

Mauritius
Natural

Migration
Sierra Leone
Natural

Migration
1x
Year Population change
Mauritius Sierra Leone
Natural Migration Natural Migration
2025 - -2,784 - -11,309
2024 - -2,787 - -11,000
2023 999 -2,824 188,788 -4,000
2022 -757 -2,824 186,625 -4,000
2021 -253 -4,324 183,326 -1,544
2020 2,405 -5,895 181,015 1,292
2019 1,773 -5,202 181,068 -2,238
2018 2,151 -5,084 178,772 -2,741
2017 3,415 -5,322 173,259 1,234
2016 2,906 -4,483 168,784 4,657
2015 3,031 -3,645 162,275 -356
2014 3,657 -3,691 160,137 485
2013 4,281 -3,617 161,265 2,773
2012 5,149 -3,663 160,915 988
2011 5,511 -2,465 158,858 6,895
2010 5,877 -2,624 155,338 7,983
2009 6,113 -2,467 152,669 18,145
2008 7,465 -2,589 149,855 1,182
2007 8,429 -2,642 145,740 -6,042
2006 8,515 -2,757 144,127 -34,052
2005 10,195 -2,840 137,234 -1,805
2004 10,745 -3,001 132,661 23,897
2003 10,799 -3,141 130,312 69,185
2002 11,685 -3,150 126,429 86,578
2001 11,723 -3,225 116,647 227,791
2000 12,224 -2,326 110,754 83,013
1999 12,341 -1,463 102,295 -84,926
1998 11,489 -1,292 103,906 -76,766
1997 11,943 -1,199 105,433 -48,437
1996 13,041 -1,092 104,140 -52,110
1995 13,020 -1,144 100,885 -112,857
1994 14,355 -1,112 101,486 -77,371
1993 14,814 -1,189 103,317 -95,476
1992 15,833 -1,254 103,251 -129,565
1991 15,091 -1,333 105,477 -238,965
1990 15,564 -1,938 100,778 131,587
1989 14,718 -2,463 98,298 -5,079
1988 14,084 -1,399 96,344 9,470
1987 13,262 -300 94,235 9,558
1986 12,340 852 90,902 7,992
1985 12,451 615 88,869 -7,873
1984 13,665 -258 87,072 -8,708
1983 14,525 -1,756 84,628 -8,783
1982 15,880 -2,226 82,457 -11,379
1981 18,334 -1,559 80,111 -12,699
1980 19,321 -1,739 77,932 -11,641
1979 19,282 -2,363 75,992 -13,095
1978 18,670 -3,129 74,130 -13,073
1977 16,769 -3,749 71,663 -12,399
1976 16,407 -3,807 69,506 -15,686
1975 15,342 -3,869 67,560 -13,058
1974 17,561 -4,908 65,357 -11,473
1973 13,145 -2,144 62,443 -9,322
1972 14,825 -2,408 60,279 -8,267
1971 15,441 -960 58,484 -8,162
1970 16,190 -1,281 56,513 -4,957
1969 15,761 -674 54,768 -4,485
1968 17,884 -2,445 53,126 -3,743
1967 17,560 -1,257 51,734 -2,819
1966 20,758 -4,123 49,486 -2,911
1965 20,482 -3,597 47,223 -1,851
1964 22,239 -4,850 45,487 -2,308
1963 22,069 -5,236 43,569 -2,480
1962 20,660 -6,107 41,603 -2,658
1961 20,355 -8,984 40,022 -2,947
1960 19,931 -7,083 38,192 -3,528

Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).

GeoRank.org/population/mauritius/sierra-leone | CC BY

Over the last 10 years, 30.9% of the population change in Mauritius is from natural causes (a gain of 19,327 people) and 69.1% is from migration (a loss of 43,294 people). In Sierra Leone 99.6% is from natural causes (a gain of 1,764,049 people) and 0.41% is from migration (a loss of 7,211 people).

As of 2024, 29,142 residents or 2.3% of the population were not native-born in Mauritius, compared to 49,997 people or 0.6% in Sierra Leone.

Biggest cities by population

Mauritius
City Population
Port Louis 149K
Quatre Bornes 81.8K
Curepipe 77.5K
Triolet 23.4K
Goodlands 20.7K
Centre de Flacq 15.8K
Mahebourg 15.8K
Bambous 15.3K
Sierra Leone
City Population
Freetown 951K
Bo 234K
Kenema 188K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).

GeoRank.org/population/mauritius/sierra-leone | CC BY

Help us show the world through your eyes

Share a photo of your city and help others discover what it looks like to live there. Your contribution makes our data come alive.

Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
  5. Wikidata (2026, 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.