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

Updated on by Georank team

The latest officially reported population of Japan was 123,975,371 in 2024 vs 1,245,779 people in Mauritius in 2024. In 2026, based on the adjusted UN estimation, the current Japan's population is 122,677,250 people compared to 1,240,121 in Mauritius.

Population statistics:

  • Japan's population is 98.9 times bigger than Mauritius'.
  • Japan is ranked the 12th most populous country in the world, while Mauritius is the 157th.
  • The countries together account for 1.5% of the world: 1.48% for Japan vs 0.01% for Mauritius.
  • For the last 10 years, Japan has had an average growth rate of -0.25% per year vs -0.09% in Mauritius.
  • Since 2006, the population of Japan has decreased from 128M people to 123M (4.05% decline), while Mauritius has grown from 1.23M to 1.24M (0.5% growth).

Japan vs Mauritius: population by year and forecast

Japan
Factual

Projection
Mauritius
Factual

Projection
1x
Year Population
Japan Mauritius
2100 76,978,998 573,538
2099 77,363,458 581,815
2098 77,742,445 590,276
2097 78,118,375 598,961
2096 78,498,614 607,840
2095 78,875,245 616,931
2094 79,250,325 626,226
2093 79,628,057 635,745
2092 80,007,967 645,427
2091 80,383,529 655,300
2090 80,760,724 665,341
2089 81,140,553 675,562
2088 81,521,696 685,908
2087 81,908,373 696,380
2086 82,304,497 707,018
2085 82,709,534 717,757
2084 83,123,058 728,558
2083 83,544,006 739,420
2082 83,980,325 750,402
2081 84,429,305 761,382
2080 84,899,768 772,374
2079 85,387,247 783,407
2078 85,897,934 794,452
2077 86,434,291 805,529
2076 86,993,007 816,547
2075 87,577,777 827,526
2074 88,190,392 838,506
2073 88,834,763 849,462
2072 89,499,356 860,405
2071 90,184,464 871,223
2070 90,899,136 882,091
2069 91,625,421 892,850
2068 92,367,969 903,547
2067 93,113,499 914,226
2066 93,869,240 924,869
2065 94,633,430 935,546
2064 95,391,433 946,145
2063 96,148,081 956,652
2062 96,902,907 967,159
2061 97,654,031 977,603
2060 98,400,894 988,022
2059 99,144,216 998,355
2058 99,868,968 1,008,603
2057 100,585,601 1,018,853
2056 101,295,868 1,029,103
2055 101,989,736 1,039,228
2054 102,683,462 1,049,313
2053 103,359,083 1,059,364
2052 104,036,901 1,069,276
2051 104,706,698 1,079,090
2050 105,377,283 1,088,773
2049 106,053,011 1,098,370
2048 106,731,207 1,107,805
2047 107,419,237 1,117,049
2046 108,115,358 1,126,022
2045 108,820,982 1,134,772
2044 109,529,333 1,143,155
2043 110,245,586 1,151,325
2042 110,968,174 1,159,078
2041 111,704,629 1,166,543
2040 112,438,759 1,173,673
2039 113,175,948 1,180,437
2038 113,915,783 1,186,773
2037 114,662,374 1,192,770
2036 115,410,956 1,198,476
2035 116,162,381 1,203,871
2034 116,911,001 1,208,936
2033 117,652,676 1,213,705
2032 118,393,188 1,218,138
2031 119,127,425 1,222,267
2030 119,856,131 1,226,049
2029 120,574,242 1,229,806
2028 121,287,543 1,233,411
2027 121,989,133 1,236,833
2026 122,677,250 1,240,121
2025 123,339,586 1,243,139
2024 123,975,371 1,245,779
2023 124,516,650 1,248,647
2022 125,124,989 1,262,523
2021 125,681,593 1,266,334
2020 126,261,000 1,266,014
2019 126,633,000 1,265,985
2018 126,811,000 1,265,577
2017 126,972,000 1,264,887
2016 127,076,000 1,263,747
2015 127,141,000 1,262,879
2014 127,276,000 1,261,208
2013 127,445,000 1,258,927
2012 127,629,000 1,255,882
2011 127,833,000 1,252,404
2010 128,070,000 1,250,400
2009 128,047,000 1,247,429
2008 128,063,000 1,244,121
2007 128,001,000 1,239,630
2006 127,854,000 1,233,996
2005 127,773,000 1,228,254
2004 127,761,000 1,221,003
2003 127,718,000 1,213,370
2002 127,445,000 1,204,621
2001 127,149,000 1,196,287
2000 126,843,000 1,186,873
1999 126,631,000 1,175,267
1998 126,400,000 1,160,421
1997 126,057,000 1,148,284
1996 125,757,000 1,133,996
1995 125,472,000 1,122,457
1994 125,178,000 1,112,846
1993 124,829,000 1,097,374
1992 124,425,000 1,084,441
1991 123,964,000 1,070,266
1990 123,478,000 1,058,775
1989 123,069,000 1,051,260
1988 122,578,000 1,043,239
1987 122,069,000 1,036,082
1986 121,482,000 1,028,360
1985 120,837,000 1,020,528
1984 120,083,000 1,012,221
1983 119,307,000 1,001,691
1982 118,480,000 992,521
1981 117,661,000 980,462
1980 116,807,000 966,039
1979 115,890,000 949,888
1978 114,913,000 933,499
1977 113,872,000 921,379
1976 112,775,000 906,507
1975 111,573,000 892,000
1974 110,162,000 878,042
1973 108,707,000 864,819
1972 107,188,000 852,053
1971 105,697,000 839,230
1970 103,403,000 826,000
1969 102,219,000 812,405
1968 101,011,000 798,413
1967 99,879,000 783,917
1966 98,851,000 768,813
1965 97,952,000 753,000
1964 96,903,000 736,381
1963 95,900,000 718,861
1962 94,933,000 700,349
1961 94,055,000 680,757
1960 93,216,000 680,331

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/japan/mauritius | CC BY

From 2006 to 2016, the population of Japan decreased by 778,000 people (a 0.61% decline), while Mauritius gained 29,751 people (a 2.41% growth).

For the next 10 years, from 2016 to 2026, Japan lost 4,398,750 people (a 3.46% decline), while Mauritius' population decreased by 23,626 people (a 1.87% decline).

Japan was ranked 10th most populous country in 2006 and is 12th in 2026. Mauritius was ranked 151st in 2006 and ranked 157th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Japan's population will shrink by 14.1% to 105,377,283 people with a rank change from 12th to 17th. The population of Mauritius will decrease by 12.2% to 1,088,773 people and rank change from 157th to 160th.

Both countries are in a period of decline and in 50 years are projected to lose 29.1% of the population in Japan and 34.2% in Mauritius.

Population growth rate by year

Japan
Factual

Projection
Mauritius
Factual

Projection
1x
Year Growth rate
Japan Mauritius
2100 -0.5% -1.42%
2099 -0.49% -1.43%
2098 -0.48% -1.45%
2097 -0.48% -1.46%
2096 -0.48% -1.47%
2095 -0.47% -1.48%
2094 -0.47% -1.5%
2093 -0.47% -1.5%
2092 -0.47% -1.51%
2091 -0.47% -1.51%
2090 -0.47% -1.51%
2089 -0.47% -1.51%
2088 -0.47% -1.5%
2087 -0.48% -1.5%
2086 -0.49% -1.5%
2085 -0.5% -1.48%
2084 -0.5% -1.47%
2083 -0.52% -1.46%
2082 -0.53% -1.44%
2081 -0.55% -1.42%
2080 -0.57% -1.41%
2079 -0.59% -1.39%
2078 -0.62% -1.38%
2077 -0.64% -1.35%
2076 -0.67% -1.33%
2075 -0.69% -1.31%
2074 -0.73% -1.29%
2073 -0.74% -1.27%
2072 -0.76% -1.24%
2071 -0.79% -1.23%
2070 -0.79% -1.21%
2069 -0.8% -1.18%
2068 -0.8% -1.17%
2067 -0.81% -1.15%
2066 -0.81% -1.14%
2065 -0.79% -1.12%
2064 -0.79% -1.1%
2063 -0.78% -1.09%
2062 -0.77% -1.07%
2061 -0.76% -1.05%
2060 -0.75% -1.04%
2059 -0.73% -1.02%
2058 -0.71% -1.01%
2057 -0.7% -1%
2056 -0.68% -0.97%
2055 -0.68% -0.96%
2054 -0.65% -0.95%
2053 -0.65% -0.93%
2052 -0.64% -0.91%
2051 -0.64% -0.89%
2050 -0.64% -0.87%
2049 -0.64% -0.85%
2048 -0.64% -0.83%
2047 -0.64% -0.8%
2046 -0.65% -0.77%
2045 -0.65% -0.73%
2044 -0.65% -0.71%
2043 -0.65% -0.67%
2042 -0.66% -0.64%
2041 -0.65% -0.61%
2040 -0.65% -0.57%
2039 -0.65% -0.53%
2038 -0.65% -0.5%
2037 -0.65% -0.48%
2036 -0.65% -0.45%
2035 -0.64% -0.42%
2034 -0.63% -0.39%
2033 -0.63% -0.36%
2032 -0.62% -0.34%
2031 -0.61% -0.31%
2030 -0.6% -0.31%
2029 -0.59% -0.29%
2028 -0.58% -0.28%
2027 -0.56% -0.27%
2026 -0.54% -0.24%
2025 -0.51% -0.21%
2024 -0.43% -0.23%
2023 -0.49% -1.1%
2022 -0.44% -0.3%
2021 -0.46% 0.03%
2020 -0.29% 0.002%
2019 -0.14% 0.03%
2018 -0.13% 0.05%
2017 -0.08% 0.09%
2016 -0.05% 0.07%
2015 -0.11% 0.13%
2014 -0.13% 0.18%
2013 -0.14% 0.24%
2012 -0.16% 0.28%
2011 -0.19% 0.16%
2010 0.02% 0.24%
2009 -0.01% 0.27%
2008 0.05% 0.36%
2007 0.11% 0.46%
2006 0.06% 0.47%
2005 0.009% 0.59%
2004 0.03% 0.63%
2003 0.21% 0.73%
2002 0.23% 0.7%
2001 0.24% 0.79%
2000 0.17% 0.99%
1999 0.18% 1.28%
1998 0.27% 1.06%
1997 0.24% 1.26%
1996 0.23% 1.03%
1995 0.23% 0.86%
1994 0.28% 1.41%
1993 0.32% 1.19%
1992 0.37% 1.32%
1991 0.39% 1.09%
1990 0.33% 0.71%
1989 0.4% 0.77%
1988 0.42% 0.69%
1987 0.48% 0.75%
1986 0.53% 0.77%
1985 0.63% 0.82%
1984 0.65% 1.05%
1983 0.7% 0.92%
1982 0.7% 1.23%
1981 0.73% 1.49%
1980 0.79% 1.7%
1979 0.85% 1.76%
1978 0.91% 1.32%
1977 0.97% 1.64%
1976 1.08% 1.63%
1975 1.28% 1.59%
1974 1.34% 1.53%
1973 1.42% 1.5%
1972 1.41% 1.53%
1971 2.22% 1.6%
1970 1.16% 1.67%
1969 1.2% 1.75%
1968 1.13% 1.85%
1967 1.04% 1.96%
1966 0.92% 2.1%
1965 1.08% 2.26%
1964 1.05% 2.44%
1963 1.02% 2.64%
1962 0.93% 2.88%
1961 0.9% 0.06%

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/japan/mauritius | CC BY

In 2024, the population of Japan declined by 0.43%, while Mauritius' population declined by 0.23%.

Live population counters

Japan Mauritius
Current population
122677250
1240121
Population rank 12/197 157/197
Percent of world population 1.48% 0.01%
One net population change
58.3 seconds
3.05 hours
One birth every
42.2 seconds
41.3 minutes
One death every
19.5 seconds
44.8 minutes
Daily growth/decline -1,483 -8
Annual growth/decline -541,279 -2,868
Annual growth/decline rate -0.43% -0.23%
Population growth rate rank 185/197 178/197
One migration net change every
3.75 minutes
3.16 hours
Annual migration change +140,579 -2,784
Net migration rank 10/196 103/196
Foreign-born residents 3,409,529 29,142
Foreign-born residents rank 19/195 165/195
Foreign-born share of population 2.8% 2.3%
Foreign-born share rank 120/195 129/195

Natural population change vs migration

Japan
Natural

Migration
Mauritius
Natural

Migration
1x
Year Population change
Japan Mauritius
Natural Migration Natural Migration
2025 - 140,579 - -2,784
2024 - 153,357 - -2,787
2023 -871,617 175,003 999 -2,824
2022 -825,825 175,003 -757 -2,824
2021 -640,976 -34,996 -253 -4,324
2020 -542,923 42,001 2,405 -5,895
2019 -531,858 318,190 1,773 -5,202
2018 -456,520 320,601 2,151 -5,084
2017 -406,310 322,564 3,415 -5,322
2016 -343,106 314,732 2,906 -4,483
2015 -292,424 168,896 3,031 -3,645
2014 -267,279 58,109 3,657 -3,691
2013 -242,146 66,449 4,281 -3,617
2012 -229,733 67,904 5,149 -3,663
2011 -204,533 97,720 5,511 -2,465
2010 -128,070 131,860 5,877 -2,624
2009 -76,828 125,450 6,113 -2,467
2008 -51,225 142,605 7,465 -2,589
2007 -25,600 138,024 8,429 -2,642
2006 12,785 130,065 8,515 -2,757
2005 -25,554 113,017 10,195 -2,840
2004 76,656 69,014 10,745 -3,001
2003 114,946 74,875 10,799 -3,141
2002 178,423 60,864 11,685 -3,150
2001 203,438 59,563 11,723 -3,225
2000 228,317 23,468 12,224 -2,326
1999 202,610 56,901 12,341 -1,463
1998 265,440 45,912 11,489 -1,292
1997 277,325 43,366 11,943 -1,199
1996 314,392 25,030 13,041 -1,092
1995 276,039 87,714 13,020 -1,144
1994 363,017 154,214 14,355 -1,112
1993 312,073 168,836 14,814 -1,189
1992 360,833 170,878 15,833 -1,254
1991 396,685 161,331 15,091 -1,333
1990 407,478 124,582 15,564 -1,938
1989 467,662 31,202 14,718 -2,463
1988 527,085 51,154 14,084 -1,399
1987 598,138 28,001 13,262 -300
1986 631,706 27,987 12,340 852
1985 676,687 -141,323 12,451 615
1984 756,523 -273,686 13,665 -258
1983 775,495 -269,755 14,525 -1,756
1982 805,664 -288,550 15,880 -2,226
1981 811,861 -278,525 18,334 -1,559
1980 864,372 -92,314 19,321 -1,739
1979 950,298 -57,692 19,282 -2,363
1978 1,011,234 -47,996 18,670 -3,129
1977 1,070,397 -49,082 16,769 -3,749
1976 1,127,750 -34,976 16,407 -3,807
1975 1,204,989 107 15,342 -3,869
1974 1,332,960 -10,145 17,561 -4,908
1973 1,391,449 -34,674 13,145 -2,144
1972 1,372,006 -73,980 14,825 -2,408
1971 1,331,782 -107,778 15,441 -960
1970 1,230,496 33,731 16,190 -1,281
1969 1,195,962 49,447 15,761 -674
1968 1,191,930 43,593 17,884 -2,445
1967 1,258,475 29,632 17,560 -1,257
1966 682,072 68,934 20,758 -4,123
1965 1,126,448 -50,667 20,482 -3,597
1964 1,046,553 -100,696 22,239 -4,850
1963 987,770 -100,742 22,069 -5,236
1962 901,864 -57,075 20,660 -6,107
1961 893,522 -58,882 20,355 -8,984
1960 894,874 -150,371 19,931 -7,083

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

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

Over the last 10 years, 73.6% of the population change in Japan is from natural causes (a loss of 5,178,838 people) and 26.4% is from migration (a gain of 1,860,103 people). In Mauritius 30.9% is from natural causes (a gain of 19,327 people) and 69.1% is from migration (a loss of 43,294 people).

As of 2024, 3,409,529 residents or 2.8% of the population were not native-born in Japan, compared to 29,142 people or 2.3% in Mauritius.

Biggest cities by population

Japan
City Population
Tokyo 14.3M
Yokohama 3.76M
Osaka 2.75M
Nagoya 2.33M
Sapporo 1.96M
Fukuoka 1.6M
Kawasaki 1.54M
Kobe 1.52M
Kyoto 1.46M
Saitama 1.33M
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

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/japan/mauritius | CC BY

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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)

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