Skip to content

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

Updated on by Georank

The latest officially reported population of Mauritius was 1,243,741 in 2025 vs 12,025 people in Nauru in 2025. In 2026, based on the adjusted UN estimation, the current Mauritius' population is 1,240,721 people compared to 12,139 in Nauru.

Population statistics:

  • Mauritius' population is 102.2 times bigger than Nauru's.
  • Mauritius is ranked the 157th most populous country in the world, while Nauru is the 195th.
  • The countries together account for 0.02% of the world: 0.01% for Mauritius vs 0.0001% for Nauru.
  • For the last 10 years, Mauritius has had an average growth rate of -0.13% per year vs +1.03% in Nauru.
  • Since 2006, the population of Mauritius has increased from 1.23M people to 1.24M (0.54% growth), while Nauru has grown from 10K to 12.1K (21% growth).

Mauritius vs Nauru: population by year and forecast

Mauritius
Factual

Projection
Nauru
Factual

Projection
1x
Year Population
Mauritius Nauru
2100 573,815 20,708
2099 582,097 20,677
2098 590,562 20,636
2097 599,251 20,596
2096 608,134 20,561
2095 617,230 20,526
2094 626,529 20,479
2093 636,052 20,423
2092 645,739 20,377
2091 655,617 20,332
2090 665,663 20,276
2089 675,889 20,210
2088 686,240 20,143
2087 696,717 20,087
2086 707,360 20,019
2085 718,105 19,950
2084 728,910 19,872
2083 739,778 19,787
2082 750,765 19,700
2081 761,750 19,603
2080 772,748 19,517
2079 783,786 19,411
2078 794,837 19,304
2077 805,918 19,198
2076 816,942 19,089
2075 827,927 18,978
2074 838,911 18,866
2073 849,873 18,750
2072 860,821 18,630
2071 871,644 18,527
2070 882,518 18,388
2069 893,282 18,281
2068 903,984 18,160
2067 914,668 18,017
2066 925,317 17,896
2065 935,999 17,769
2064 946,603 17,641
2063 957,115 17,516
2062 967,627 17,394
2061 978,076 17,260
2060 988,500 17,129
2059 998,838 17,006
2058 1,009,091 16,874
2057 1,019,346 16,745
2056 1,029,601 16,605
2055 1,039,730 16,465
2054 1,049,821 16,328
2053 1,059,876 16,186
2052 1,069,793 16,042
2051 1,079,612 15,881
2050 1,089,300 15,731
2049 1,098,902 15,565
2048 1,108,341 15,405
2047 1,117,590 15,234
2046 1,126,567 15,058
2045 1,135,321 14,888
2044 1,143,708 14,712
2043 1,151,882 14,539
2042 1,159,639 14,357
2041 1,167,107 14,174
2040 1,174,241 13,990
2039 1,181,008 13,821
2038 1,187,347 13,666
2037 1,193,347 13,507
2036 1,199,055 13,358
2035 1,204,453 13,190
2034 1,209,521 13,035
2033 1,214,292 12,888
2032 1,218,727 12,753
2031 1,222,858 12,619
2030 1,226,642 12,499
2029 1,230,401 12,381
2028 1,234,008 12,286
2027 1,237,431 12,177
2026 1,240,721 12,100
2025 1,243,741 12,025
2024 1,245,779 11,947
2023 1,248,647 11,875
2022 1,262,523 11,801
2021 1,266,334 11,709
2020 1,266,014 11,643
2019 1,265,985 11,587
2018 1,265,577 11,477
2017 1,264,887 11,324
2016 1,263,747 11,150
2015 1,262,879 10,954
2014 1,261,208 10,742
2013 1,258,927 10,517
2012 1,255,882 10,267
2011 1,252,404 10,098
2010 1,250,400 10,043
2009 1,247,429 10,016
2008 1,244,121 10,009
2007 1,239,630 10,020
2006 1,233,996 10,034
2005 1,228,254 10,049
2004 1,221,003 10,060
2003 1,213,370 10,059
2002 1,204,621 10,082
2001 1,196,287 10,130
2000 1,186,873 10,168
1999 1,175,267 10,187
1998 1,160,421 10,198
1997 1,148,284 10,197
1996 1,133,996 10,183
1995 1,122,457 10,165
1994 1,112,846 10,137
1993 1,097,374 10,102
1992 1,084,441 10,021
1991 1,070,266 9,850
1990 1,058,775 9,622
1989 1,051,260 9,390
1988 1,043,239 9,165
1987 1,036,082 8,946
1986 1,028,360 8,742
1985 1,020,528 8,551
1984 1,012,221 8,377
1983 1,001,691 8,216
1982 992,521 8,040
1981 980,462 7,839
1980 966,039 7,649
1979 949,888 7,468
1978 933,499 7,298
1977 921,379 7,163
1976 906,507 7,064
1975 892,000 6,987
1974 878,042 6,923
1973 864,819 6,866
1972 852,053 6,812
1971 839,230 6,762
1970 826,000 6,710
1969 812,405 6,581
1968 798,413 6,328
1967 783,917 6,135
1966 768,813 6,043
1965 753,000 5,832
1964 736,381 5,515
1963 718,861 5,226
1962 700,349 4,979
1961 680,757 4,774
1960 680,331 4,607

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/nauru | CC BY

From 2006 to 2016, the population of Mauritius increased by 29,751 people (a 2.41% growth), while Nauru gained 1,116 people (a 11.1% growth).

For the next 10 years, from 2016 to 2026, Mauritius lost 23,026 people (a 1.82% decline), while Nauru's population increased by 989 people (a 8.87% growth).

Mauritius was ranked 151st most populous country in 2006 and is 157th in 2026. Nauru was ranked 196th in 2006 and ranked 195th 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 Nauru will increase by 29.6% to 15,731 people and rank change from 195th to 194th.

Nauru is projected to reach its peak in 2100 at 20.7K 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
Nauru
Factual

Projection
1x
Year Growth rate
Mauritius Nauru
2100 -1.42% 0.15%
2099 -1.43% 0.2%
2098 -1.45% 0.19%
2097 -1.46% 0.17%
2096 -1.47% 0.17%
2095 -1.48% 0.23%
2094 -1.5% 0.27%
2093 -1.5% 0.23%
2092 -1.51% 0.22%
2091 -1.51% 0.28%
2090 -1.51% 0.33%
2089 -1.51% 0.33%
2088 -1.5% 0.28%
2087 -1.5% 0.34%
2086 -1.5% 0.35%
2085 -1.48% 0.39%
2084 -1.47% 0.43%
2083 -1.46% 0.44%
2082 -1.44% 0.5%
2081 -1.42% 0.44%
2080 -1.41% 0.54%
2079 -1.39% 0.56%
2078 -1.38% 0.55%
2077 -1.35% 0.57%
2076 -1.33% 0.59%
2075 -1.31% 0.6%
2074 -1.29% 0.62%
2073 -1.27% 0.65%
2072 -1.24% 0.56%
2071 -1.23% 0.75%
2070 -1.21% 0.59%
2069 -1.18% 0.66%
2068 -1.17% 0.8%
2067 -1.15% 0.68%
2066 -1.14% 0.71%
2065 -1.12% 0.73%
2064 -1.1% 0.71%
2063 -1.09% 0.7%
2062 -1.07% 0.78%
2061 -1.05% 0.76%
2060 -1.04% 0.73%
2059 -1.02% 0.78%
2058 -1.01% 0.77%
2057 -1% 0.85%
2056 -0.97% 0.85%
2055 -0.96% 0.84%
2054 -0.95% 0.87%
2053 -0.93% 0.9%
2052 -0.91% 1.01%
2051 -0.89% 0.96%
2050 -0.87% 1.06%
2049 -0.85% 1.04%
2048 -0.83% 1.12%
2047 -0.8% 1.17%
2046 -0.77% 1.14%
2045 -0.73% 1.2%
2044 -0.71% 1.19%
2043 -0.67% 1.27%
2042 -0.64% 1.29%
2041 -0.61% 1.32%
2040 -0.57% 1.22%
2039 -0.53% 1.14%
2038 -0.5% 1.17%
2037 -0.48% 1.12%
2036 -0.45% 1.27%
2035 -0.42% 1.19%
2034 -0.39% 1.14%
2033 -0.36% 1.06%
2032 -0.34% 1.06%
2031 -0.31% 0.96%
2030 -0.31% 0.96%
2029 -0.29% 0.77%
2028 -0.28% 0.9%
2027 -0.27% 0.64%
2026 -0.24% 0.63%
2025 -0.16% 0.65%
2024 -0.23% 0.61%
2023 -1.1% 0.63%
2022 -0.3% 0.79%
2021 0.03% 0.57%
2020 0.002% 0.48%
2019 0.03% 0.96%
2018 0.05% 1.35%
2017 0.09% 1.56%
2016 0.07% 1.79%
2015 0.13% 1.97%
2014 0.18% 2.14%
2013 0.24% 2.43%
2012 0.28% 1.67%
2011 0.16% 0.55%
2010 0.24% 0.27%
2009 0.27% 0.07%
2008 0.36% -0.11%
2007 0.46% -0.14%
2006 0.47% -0.15%
2005 0.59% -0.11%
2004 0.63% 0.01%
2003 0.73% -0.23%
2002 0.7% -0.47%
2001 0.79% -0.37%
2000 0.99% -0.19%
1999 1.28% -0.11%
1998 1.06% 0.01%
1997 1.26% 0.14%
1996 1.03% 0.18%
1995 0.86% 0.28%
1994 1.41% 0.35%
1993 1.19% 0.81%
1992 1.32% 1.74%
1991 1.09% 2.37%
1990 0.71% 2.47%
1989 0.77% 2.45%
1988 0.69% 2.45%
1987 0.75% 2.33%
1986 0.77% 2.23%
1985 0.82% 2.08%
1984 1.05% 1.96%
1983 0.92% 2.19%
1982 1.23% 2.56%
1981 1.49% 2.48%
1980 1.7% 2.42%
1979 1.76% 2.33%
1978 1.32% 1.88%
1977 1.64% 1.4%
1976 1.63% 1.1%
1975 1.59% 0.92%
1974 1.53% 0.83%
1973 1.5% 0.79%
1972 1.53% 0.74%
1971 1.6% 0.77%
1970 1.67% 1.96%
1969 1.75% 4%
1968 1.85% 3.15%
1967 1.96% 1.52%
1966 2.1% 3.62%
1965 2.26% 5.75%
1964 2.44% 5.53%
1963 2.64% 4.96%
1962 2.88% 4.29%
1961 0.06% 3.62%

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/nauru | CC BY

In 2025, the population of Mauritius declined by 0.16%, while Nauru's population grew by 0.65%.

Live population counters

Mauritius Nauru
Current population
1240721
12139
Population rank 157/197 195/197
Percent of world population 0.01% 0.0001%
One net population change
4.31 hours
4.69 days
One birth every
41 minutes
1.25 days
One death every
42.2 minutes
4.06 days
Daily growth/decline -6 +0
Annual growth/decline -2,038 +78
Annual growth/decline rate -0.16% +0.65%
Population growth rate rank 171/197 119/197
One migration net change every
3.16 hours
3 days
Annual migration change -2,784 -122
Net migration rank 103/196 82/196
Foreign-born residents 29,142 2,548
Foreign-born residents rank 165/195 191/195
Foreign-born share of population 2.3% 21.3%
Foreign-born share rank 129/195 29/195

Natural population change vs migration

Mauritius
Natural

Migration
Nauru
Natural

Migration
1x
Year Population change
Mauritius Nauru
Natural Migration Natural Migration
2025 - -2,784 - -122
2024 374 -2,787 203 -121
2023 999 -2,824 213 -148
2022 -757 -2,824 226 -144
2021 -380 -4,324 236 -137
2020 2,406 -5,895 246 -214
2019 1,646 -5,202 255 -171
2018 2,152 -5,084 265 -131
2017 3,289 -5,322 279 -115
2016 2,906 -4,483 289 -105
2015 2,905 -3,645 291 -86
2014 3,657 -3,691 290 -69
2013 4,281 -3,617 291 -53
2012 5,023 -3,663 292 -38
2011 5,511 -2,465 291 -206
2010 5,877 -2,624 281 -246
2009 6,113 -2,467 261 -249
2008 7,465 -2,589 240 -243
2007 8,429 -2,642 222 -235
2006 8,515 -2,757 209 -224
2005 10,195 -2,840 204 -217
2004 10,745 -3,001 202 -210
2003 10,799 -3,141 201 -199
2002 11,685 -3,150 200 -247
2001 11,723 -3,225 203 -252
2000 12,224 -2,326 207 -236
1999 12,341 -1,463 212 -227
1998 11,489 -1,292 214 -217
1997 11,943 -1,199 218 -209
1996 13,041 -1,092 221 -204
1995 13,020 -1,144 225 -201
1994 14,355 -1,112 229 -196
1993 14,814 -1,189 235 -194
1992 15,833 -1,254 237 -121
1991 15,091 -1,333 225 0
1990 15,564 -1,938 214 20
1989 14,718 -2,463 204 24
1988 14,084 -1,399 195 29
1987 13,262 -300 186 27
1986 12,340 852 178 21
1985 12,451 615 171 8
1984 13,665 -258 166 -2
1983 14,525 -1,756 163 -5
1982 15,880 -2,226 162 30
1981 18,334 -1,559 157 44
1980 19,321 -1,739 145 44
1979 19,282 -2,363 130 48
1978 18,670 -3,129 111 40
1977 16,769 -3,749 89 32
1976 16,407 -3,807 79 0
1975 15,342 -3,869 70 0
1974 17,561 -4,908 63 0
1973 13,145 -2,144 57 0
1972 14,825 -2,408 53 0
1971 15,441 -960 50 0
1970 16,190 -1,281 49 0
1969 15,761 -674 71 132
1968 17,884 -2,445 116 180
1967 17,560 -1,257 117 -28
1966 20,758 -4,123 123 -32
1965 20,482 -3,597 113 218
1964 22,239 -4,850 100 203
1963 22,069 -5,236 88 181
1962 20,660 -6,107 75 158
1961 20,355 -8,984 70 120
1960 19,931 -7,083 72 76

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

GeoRank.org/population/mauritius/nauru | 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 Nauru 64.6% is from natural causes (a gain of 2,503 people) and 35.4% is from migration (a loss of 1,372 people).

As of 2024, 29,142 residents or 2.3% of the population were not native-born in Mauritius, compared to 2,548 people or 21.3% in Nauru.

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
Nauru
City Population
Yaren 747

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/nauru | 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 2026-07-08)
  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)

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.