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Population in Mauritius compared to Tanzania: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Mauritius was 1,243,741 in 2025 vs 70,545,865 people in Tanzania in 2025. In 2026, based on the adjusted UN estimation, the current Mauritius' population is 1,240,721 people compared to 73,639,263 in Tanzania.

Population statistics:

  • Tanzania's population is 59.4 times bigger than Mauritius'.
  • Mauritius is ranked the 157th most populous country in the world, while Tanzania is the 20th.
  • The countries together account for 0.9% of the world: 0.01% for Mauritius vs 0.89% for Tanzania.
  • For the last 10 years, Mauritius has had an average growth rate of -0.13% per year vs +3.11% in Tanzania.
  • Since 2006, the population of Mauritius has increased from 1.23M people to 1.24M (0.54% growth), while Tanzania has grown from 40.3M to 73.6M (82.8% growth).

Mauritius vs Tanzania: population by year and forecast

Mauritius
Factual

Projection
Tanzania
Factual

Projection
1x
Year Population
Mauritius Tanzania
2100 573,815 265,471,550
2099 582,097 263,137,702
2098 590,562 260,784,676
2097 599,251 258,387,890
2096 608,134 255,972,277
2095 617,230 253,543,248
2094 626,529 251,095,452
2093 636,052 248,605,184
2092 645,739 246,083,651
2091 655,617 243,533,968
2090 665,663 240,979,094
2089 675,889 238,393,867
2088 686,240 235,775,056
2087 696,717 233,145,231
2086 707,360 230,474,072
2085 718,105 227,778,580
2084 728,910 225,090,075
2083 739,778 222,400,079
2082 750,765 219,697,321
2081 761,750 216,974,796
2080 772,748 214,235,505
2079 783,786 211,466,096
2078 794,837 208,688,171
2077 805,918 205,898,494
2076 816,942 203,086,766
2075 827,927 200,278,383
2074 838,911 197,449,196
2073 849,873 194,624,081
2072 860,821 191,805,820
2071 871,644 188,974,004
2070 882,518 186,134,634
2069 893,282 183,293,747
2068 903,984 180,458,385
2067 914,668 177,622,538
2066 925,317 174,786,430
2065 935,999 171,897,059
2064 946,603 169,048,435
2063 957,115 166,202,091
2062 967,627 163,354,473
2061 978,076 160,521,858
2060 988,500 157,707,240
2059 998,838 154,905,240
2058 1,009,091 152,106,040
2057 1,019,346 149,311,257
2056 1,029,601 146,505,507
2055 1,039,730 143,722,840
2054 1,049,821 140,970,467
2053 1,059,876 138,249,490
2052 1,069,793 135,540,803
2051 1,079,612 132,838,721
2050 1,089,300 130,145,345
2049 1,098,902 127,483,126
2048 1,108,341 124,809,212
2047 1,117,590 122,146,647
2046 1,126,567 119,511,124
2045 1,135,321 116,903,642
2044 1,143,708 114,318,843
2043 1,151,882 111,765,580
2042 1,159,639 109,231,423
2041 1,167,107 106,738,458
2040 1,174,241 104,262,479
2039 1,181,008 101,804,600
2038 1,187,347 99,370,760
2037 1,193,347 96,974,485
2036 1,199,055 94,592,848
2035 1,204,453 92,248,476
2034 1,209,521 89,920,872
2033 1,214,292 87,646,627
2032 1,218,727 85,401,853
2031 1,222,858 83,172,579
2030 1,226,642 80,989,443
2029 1,230,401 78,830,947
2028 1,234,008 76,723,335
2027 1,237,431 74,639,948
2026 1,240,721 72,582,361
2025 1,243,741 70,545,865
2024 1,245,779 68,560,157
2023 1,248,647 66,617,606
2022 1,262,523 64,711,821
2021 1,266,334 62,830,412
2020 1,266,014 60,972,798
2019 1,265,985 59,174,891
2018 1,265,577 57,437,145
2017 1,264,887 55,652,890
2016 1,263,747 53,824,013
2015 1,262,879 52,020,962
2014 1,261,208 50,351,512
2013 1,258,927 48,824,128
2012 1,255,882 47,374,260
2011 1,252,404 46,029,367
2010 1,250,400 44,758,488
2009 1,247,429 43,633,982
2008 1,244,121 42,570,728
2007 1,239,630 41,435,512
2006 1,233,996 40,294,902
2005 1,228,254 39,182,076
2004 1,221,003 38,109,668
2003 1,213,370 37,089,555
2002 1,204,621 36,121,304
2001 1,196,287 35,198,299
2000 1,186,873 34,260,139
1999 1,175,267 33,300,330
1998 1,160,421 32,420,458
1997 1,148,284 31,578,089
1996 1,133,996 30,945,762
1995 1,122,457 30,383,497
1994 1,112,846 29,442,356
1993 1,097,374 28,332,692
1992 1,084,441 27,457,588
1991 1,070,266 26,780,436
1990 1,058,775 26,110,207
1989 1,051,260 25,438,759
1988 1,043,239 24,769,686
1987 1,036,082 24,030,378
1986 1,028,360 23,258,959
1985 1,020,528 22,501,693
1984 1,012,221 21,779,066
1983 1,001,691 21,079,874
1982 992,521 20,398,571
1981 980,462 19,784,703
1980 966,039 19,189,769
1979 949,888 18,592,038
1978 933,499 17,976,566
1977 921,379 17,352,929
1976 906,507 16,736,211
1975 892,000 16,138,361
1974 878,042 15,561,630
1973 864,819 15,010,101
1972 852,053 14,479,308
1971 839,230 13,971,451
1970 826,000 13,492,677
1969 812,405 13,036,700
1968 798,413 12,602,076
1967 783,917 12,200,109
1966 768,813 11,827,459
1965 753,000 11,470,728
1964 736,381 11,127,826
1963 718,861 10,799,528
1962 700,349 10,487,756
1961 680,757 10,187,886
1960 680,331 9,901,419

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/mauritius/tanzania | CC BY

From 2006 to 2016, the population of Mauritius increased by 29,751 people (a 2.41% growth), while Tanzania gained 13,529,111 people (a 33.6% growth).

For the next 10 years, from 2016 to 2026, Mauritius lost 23,026 people (a 1.82% decline), while Tanzania's population increased by 19,815,250 people (a 36.8% growth).

Mauritius was ranked 151st most populous country in 2006 and is 157th in 2026. Tanzania was ranked 30th in 2006 and ranked 20th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Mauritius' population will shrink by 12.2% to 1,089,300 people with a rank change from 157th to 160th. The population of Tanzania will increase by 76.7% to 130,145,345 people and rank change from 20th to 15th.

Tanzania is projected to reach its peak in 2100 at 265M 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
Tanzania
Factual

Projection
1x
Year Growth rate
Mauritius Tanzania
2100 -1.42% 0.89%
2099 -1.43% 0.9%
2098 -1.45% 0.93%
2097 -1.46% 0.94%
2096 -1.47% 0.96%
2095 -1.48% 0.97%
2094 -1.5% 1%
2093 -1.5% 1.02%
2092 -1.51% 1.05%
2091 -1.51% 1.06%
2090 -1.51% 1.08%
2089 -1.51% 1.11%
2088 -1.5% 1.13%
2087 -1.5% 1.16%
2086 -1.5% 1.18%
2085 -1.48% 1.19%
2084 -1.47% 1.21%
2083 -1.46% 1.23%
2082 -1.44% 1.25%
2081 -1.42% 1.28%
2080 -1.41% 1.31%
2079 -1.39% 1.33%
2078 -1.38% 1.35%
2077 -1.35% 1.38%
2076 -1.33% 1.4%
2075 -1.31% 1.43%
2074 -1.29% 1.45%
2073 -1.27% 1.47%
2072 -1.24% 1.5%
2071 -1.23% 1.53%
2070 -1.21% 1.55%
2069 -1.18% 1.57%
2068 -1.17% 1.6%
2067 -1.15% 1.62%
2066 -1.14% 1.68%
2065 -1.12% 1.69%
2064 -1.1% 1.71%
2063 -1.09% 1.74%
2062 -1.07% 1.76%
2061 -1.05% 1.78%
2060 -1.04% 1.81%
2059 -1.02% 1.84%
2058 -1.01% 1.87%
2057 -1% 1.92%
2056 -0.97% 1.94%
2055 -0.96% 1.95%
2054 -0.95% 1.97%
2053 -0.93% 2%
2052 -0.91% 2.03%
2051 -0.89% 2.07%
2050 -0.87% 2.09%
2049 -0.85% 2.14%
2048 -0.83% 2.18%
2047 -0.8% 2.21%
2046 -0.77% 2.23%
2045 -0.73% 2.26%
2044 -0.71% 2.28%
2043 -0.67% 2.32%
2042 -0.64% 2.34%
2041 -0.61% 2.37%
2040 -0.57% 2.41%
2039 -0.53% 2.45%
2038 -0.5% 2.47%
2037 -0.48% 2.52%
2036 -0.45% 2.54%
2035 -0.42% 2.59%
2034 -0.39% 2.59%
2033 -0.36% 2.63%
2032 -0.34% 2.68%
2031 -0.31% 2.7%
2030 -0.31% 2.74%
2029 -0.29% 2.75%
2028 -0.28% 2.79%
2027 -0.27% 2.83%
2026 -0.24% 2.89%
2025 -0.16% 2.9%
2024 -0.23% 2.92%
2023 -1.1% 2.95%
2022 -0.3% 2.99%
2021 0.03% 3.05%
2020 0.002% 3.04%
2019 0.03% 3.03%
2018 0.05% 3.21%
2017 0.09% 3.4%
2016 0.07% 3.47%
2015 0.13% 3.32%
2014 0.18% 3.13%
2013 0.24% 3.06%
2012 0.28% 2.92%
2011 0.16% 2.84%
2010 0.24% 2.58%
2009 0.27% 2.5%
2008 0.36% 2.74%
2007 0.46% 2.83%
2006 0.47% 2.84%
2005 0.59% 2.81%
2004 0.63% 2.75%
2003 0.73% 2.68%
2002 0.7% 2.62%
2001 0.79% 2.74%
2000 0.99% 2.88%
1999 1.28% 2.71%
1998 1.06% 2.67%
1997 1.26% 2.04%
1996 1.03% 1.85%
1995 0.86% 3.2%
1994 1.41% 3.92%
1993 1.19% 3.19%
1992 1.32% 2.53%
1991 1.09% 2.57%
1990 0.71% 2.64%
1989 0.77% 2.7%
1988 0.69% 3.08%
1987 0.75% 3.32%
1986 0.77% 3.37%
1985 0.82% 3.32%
1984 1.05% 3.32%
1983 0.92% 3.34%
1982 1.23% 3.1%
1981 1.49% 3.1%
1980 1.7% 3.21%
1979 1.76% 3.42%
1978 1.32% 3.59%
1977 1.64% 3.68%
1976 1.63% 3.7%
1975 1.59% 3.71%
1974 1.53% 3.67%
1973 1.5% 3.67%
1972 1.53% 3.63%
1971 1.6% 3.55%
1970 1.67% 3.5%
1969 1.75% 3.45%
1968 1.85% 3.29%
1967 1.96% 3.15%
1966 2.1% 3.11%
1965 2.26% 3.08%
1964 2.44% 3.04%
1963 2.64% 2.97%
1962 2.88% 2.94%
1961 0.06% 2.89%

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).

GeoRank.org/population/mauritius/tanzania | CC BY

In 2025, the population of Mauritius declined by 0.16%, while Tanzania's population grew by 2.9%.

Live population counters

Mauritius Tanzania
Current population
1240721
73639263
Population rank 157/197 20/197
Percent of world population 0.01% 0.89%
One net population change
4.31 hours
15.9 seconds
One birth every
41 minutes
13.2 seconds
One death every
42.2 minutes
1.34 minutes
Daily growth/decline -6 +5,440
Annual growth/decline -2,038 +1,985,708
Annual growth/decline rate -0.16% +2.9%
Population growth rate rank 171/197 16/197
One migration net change every
3.16 hours
41.4 minutes
Annual migration change -2,784 -12,730
Net migration rank 103/196 139/196
Foreign-born residents 29,142 462,371
Foreign-born residents rank 165/195 83/195
Foreign-born share of population 2.3% 0.7%
Foreign-born share rank 129/195 167/195

Natural population change vs migration

Mauritius
Natural

Migration
Tanzania
Natural

Migration
1x
Year Population change
Mauritius Tanzania
Natural Migration Natural Migration
2025 - -2,784 - -12,730
2024 374 -2,787 1,993,730 -29,865
2023 999 -2,824 1,960,623 -39,388
2022 -757 -2,824 1,927,960 -37,557
2021 -380 -4,324 1,880,137 -7,704
2020 2,406 -5,895 1,861,377 -18,587
2019 1,646 -5,202 1,816,669 -63,602
2018 2,152 -5,084 1,777,852 -55,444
2017 3,289 -5,322 1,726,909 119,142
2016 2,906 -4,483 1,659,502 152,194
2015 2,905 -3,645 1,592,882 201,495
2014 3,657 -3,691 1,565,630 -21,083
2013 4,281 -3,617 1,509,008 1,241
2012 5,023 -3,663 1,439,325 -49,875
2011 5,511 -2,465 1,384,886 -84,546
2010 5,877 -2,624 1,363,477 -122,020
2009 6,113 -2,467 1,332,015 -324,478
2008 7,465 -2,589 1,303,728 -184,816
2007 8,429 -2,642 1,278,285 -126,793
2006 8,515 -2,757 1,257,927 -128,231
2005 10,195 -2,840 1,224,165 -128,251
2004 10,745 -3,001 1,175,379 -126,490
2003 10,799 -3,141 1,118,435 -127,101
2002 11,685 -3,150 1,063,195 -118,047
2001 11,723 -3,225 1,026,242 -125,375
2000 12,224 -2,326 985,185 -9,701
1999 12,341 -1,463 948,659 -4,489
1998 11,489 -1,292 920,806 -105,184
1997 11,943 -1,199 882,544 -13,400
1996 13,041 -1,092 868,524 -473,007
1995 13,020 -1,144 838,980 -109,971
1994 14,355 -1,112 803,953 349,348
1993 14,814 -1,189 778,044 288,004
1992 15,833 -1,254 767,961 -83,825
1991 15,091 -1,333 762,011 -91,851
1990 15,564 -1,938 750,825 -80,529
1989 14,718 -2,463 743,854 -71,268
1988 14,084 -1,399 736,551 -71,012
1987 13,262 -300 718,580 94,498
1986 12,340 852 705,677 24,101
1985 12,451 615 697,867 86,864
1984 13,665 -258 687,435 -26,938
1983 14,525 -1,756 679,720 58,161
1982 15,880 -2,226 662,627 -37,883
1981 18,334 -1,559 645,496 -42,485
1980 19,321 -1,739 629,444 -42,588
1979 19,282 -2,363 613,388 -4,792
1978 18,670 -3,129 595,024 27,307
1977 16,769 -3,749 574,938 49,997
1976 16,407 -3,807 553,617 54,875
1975 15,342 -3,869 533,906 53,290
1974 17,561 -4,908 515,152 51,127
1973 13,145 -2,144 488,429 48,363
1972 14,825 -2,408 467,305 57,489
1971 15,441 -960 449,014 41,900
1970 16,190 -1,281 427,988 38,635
1969 15,761 -674 408,322 37,006
1968 17,884 -2,445 389,467 34,455
1967 17,560 -1,257 374,763 5,265
1966 20,758 -4,123 360,229 5,049
1965 20,482 -3,597 343,456 4,742
1964 22,239 -4,850 328,527 9,090
1963 22,069 -5,236 314,644 4,333
1962 20,660 -6,107 300,663 3,916
1961 20,355 -8,984 286,839 8,338
1960 19,931 -7,083 275,814 1,946

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/mauritius/tanzania | CC BY

Over the last 10 years, 26.8% of the population change in Mauritius is from natural causes (a gain of 15,540 people) and 73.2% is from migration (a loss of 42,390 people). In Tanzania 98.8% is from natural causes (a gain of 18,197,641 people) and 1.2% is from migration (a gain of 220,684 people).

As of 2024, 29,142 residents or 2.3% of the population were not native-born in Mauritius, compared to 462,371 people or 0.7% in Tanzania.

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
Tanzania
City Population
Dar es Salaam 4.72M
Zanzibar 710K
Mwanza 706K
Mbeya 542K
Morogoro 471K
Arusha 416K
Tanga 221K
Dodoma 214K
Moshi 145K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).

GeoRank.org/population/mauritius/tanzania | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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