The latest officially reported population of Comoros was 866,628 in 2024 vs 123,975,371 people in Japan in 2024. In 2026, based on the adjusted UN estimation, the current Comoros' population is 903,776 people compared to 122,677,250 in Japan.
Population statistics:
- Japan's population is 135.7 times bigger than Comoros'.
- Comoros is ranked the 160th most populous country in the world, while Japan is the 12th.
- The countries together account for 1.49% of the world: 0.01% for Comoros vs 1.48% for Japan.
- For the last 10 years, Comoros has had an average growth rate of +2.01% per year vs -0.25% in Japan.
- Since 2006, the population of Comoros has increased from 605K people to 904K (49.4% growth), while Japan has declined from 128M to 123M (4.05% decline).
Comoros vs Japan: population by year and forecast
| Year | Population | |
|---|---|---|
Comoros
|
Japan
|
|
| 2100 | 1,926,386 | 76,978,998 |
| 2099 | 1,920,621 | 77,363,458 |
| 2098 | 1,914,609 | 77,742,445 |
| 2097 | 1,908,134 | 78,118,375 |
| 2096 | 1,901,525 | 78,498,614 |
| 2095 | 1,894,422 | 78,875,245 |
| 2094 | 1,887,108 | 79,250,325 |
| 2093 | 1,879,656 | 79,628,057 |
| 2092 | 1,871,817 | 80,007,967 |
| 2091 | 1,863,580 | 80,383,529 |
| 2090 | 1,854,999 | 80,760,724 |
| 2089 | 1,846,139 | 81,140,553 |
| 2088 | 1,836,994 | 81,521,696 |
| 2087 | 1,827,684 | 81,908,373 |
| 2086 | 1,817,890 | 82,304,497 |
| 2085 | 1,807,957 | 82,709,534 |
| 2084 | 1,797,607 | 83,123,058 |
| 2083 | 1,786,775 | 83,544,006 |
| 2082 | 1,775,826 | 83,980,325 |
| 2081 | 1,764,709 | 84,429,305 |
| 2080 | 1,753,314 | 84,899,768 |
| 2079 | 1,741,768 | 85,387,247 |
| 2078 | 1,729,732 | 85,897,934 |
| 2077 | 1,717,501 | 86,434,291 |
| 2076 | 1,704,841 | 86,993,007 |
| 2075 | 1,691,947 | 87,577,777 |
| 2074 | 1,678,984 | 88,190,392 |
| 2073 | 1,665,784 | 88,834,763 |
| 2072 | 1,652,395 | 89,499,356 |
| 2071 | 1,638,685 | 90,184,464 |
| 2070 | 1,625,082 | 90,899,136 |
| 2069 | 1,611,152 | 91,625,421 |
| 2068 | 1,596,935 | 92,367,969 |
| 2067 | 1,582,442 | 93,113,499 |
| 2066 | 1,567,829 | 93,869,240 |
| 2065 | 1,553,142 | 94,633,430 |
| 2064 | 1,538,246 | 95,391,433 |
| 2063 | 1,523,197 | 96,148,081 |
| 2062 | 1,508,112 | 96,902,907 |
| 2061 | 1,492,603 | 97,654,031 |
| 2060 | 1,476,941 | 98,400,894 |
| 2059 | 1,461,147 | 99,144,216 |
| 2058 | 1,445,237 | 99,868,968 |
| 2057 | 1,429,173 | 100,585,601 |
| 2056 | 1,412,910 | 101,295,868 |
| 2055 | 1,396,415 | 101,989,736 |
| 2054 | 1,379,788 | 102,683,462 |
| 2053 | 1,362,991 | 103,359,083 |
| 2052 | 1,345,832 | 104,036,901 |
| 2051 | 1,328,600 | 104,706,698 |
| 2050 | 1,311,253 | 105,377,283 |
| 2049 | 1,293,896 | 106,053,011 |
| 2048 | 1,276,263 | 106,731,207 |
| 2047 | 1,258,915 | 107,419,237 |
| 2046 | 1,241,424 | 108,115,358 |
| 2045 | 1,223,821 | 108,820,982 |
| 2044 | 1,206,037 | 109,529,333 |
| 2043 | 1,188,317 | 110,245,586 |
| 2042 | 1,170,812 | 110,968,174 |
| 2041 | 1,153,264 | 111,704,629 |
| 2040 | 1,135,741 | 112,438,759 |
| 2039 | 1,118,219 | 113,175,948 |
| 2038 | 1,100,871 | 113,915,783 |
| 2037 | 1,083,597 | 114,662,374 |
| 2036 | 1,066,250 | 115,410,956 |
| 2035 | 1,049,097 | 116,162,381 |
| 2034 | 1,032,144 | 116,911,001 |
| 2033 | 1,015,163 | 117,652,676 |
| 2032 | 998,403 | 118,393,188 |
| 2031 | 981,702 | 119,127,425 |
| 2030 | 965,069 | 119,856,131 |
| 2029 | 948,475 | 120,574,242 |
| 2028 | 932,007 | 121,287,543 |
| 2027 | 915,654 | 121,989,133 |
| 2026 | 899,373 | 122,677,250 |
| 2025 | 883,023 | 123,339,586 |
| 2024 | 866,628 | 123,975,371 |
| 2023 | 850,387 | 124,516,650 |
| 2022 | 834,188 | 125,124,989 |
| 2021 | 818,174 | 125,681,593 |
| 2020 | 802,163 | 126,261,000 |
| 2019 | 786,578 | 126,633,000 |
| 2018 | 771,590 | 126,811,000 |
| 2017 | 756,669 | 126,972,000 |
| 2016 | 741,741 | 127,076,000 |
| 2015 | 726,682 | 127,141,000 |
| 2014 | 711,503 | 127,276,000 |
| 2013 | 696,192 | 127,445,000 |
| 2012 | 681,630 | 127,629,000 |
| 2011 | 668,056 | 127,833,000 |
| 2010 | 654,836 | 128,070,000 |
| 2009 | 641,947 | 128,047,000 |
| 2008 | 629,307 | 128,063,000 |
| 2007 | 616,927 | 128,001,000 |
| 2006 | 604,753 | 127,854,000 |
| 2005 | 592,677 | 127,773,000 |
| 2004 | 580,704 | 127,761,000 |
| 2003 | 569,798 | 127,718,000 |
| 2002 | 558,923 | 127,445,000 |
| 2001 | 547,220 | 127,149,000 |
| 2000 | 536,080 | 126,843,000 |
| 1999 | 525,886 | 126,631,000 |
| 1998 | 516,597 | 126,400,000 |
| 1997 | 507,777 | 126,057,000 |
| 1996 | 499,107 | 125,757,000 |
| 1995 | 490,586 | 125,472,000 |
| 1994 | 482,142 | 125,178,000 |
| 1993 | 473,682 | 124,829,000 |
| 1992 | 465,113 | 124,425,000 |
| 1991 | 455,556 | 123,964,000 |
| 1990 | 444,596 | 123,478,000 |
| 1989 | 433,103 | 123,069,000 |
| 1988 | 421,687 | 122,578,000 |
| 1987 | 410,439 | 122,069,000 |
| 1986 | 399,318 | 121,482,000 |
| 1985 | 388,352 | 120,837,000 |
| 1984 | 377,637 | 120,083,000 |
| 1983 | 367,233 | 119,307,000 |
| 1982 | 357,139 | 118,480,000 |
| 1981 | 347,382 | 117,661,000 |
| 1980 | 337,721 | 116,807,000 |
| 1979 | 327,791 | 115,890,000 |
| 1978 | 317,688 | 114,913,000 |
| 1977 | 307,579 | 113,872,000 |
| 1976 | 297,538 | 112,775,000 |
| 1975 | 287,692 | 111,573,000 |
| 1974 | 278,075 | 110,162,000 |
| 1973 | 268,820 | 108,707,000 |
| 1972 | 260,077 | 107,188,000 |
| 1971 | 251,865 | 105,697,000 |
| 1970 | 244,185 | 103,403,000 |
| 1969 | 237,001 | 102,219,000 |
| 1968 | 230,244 | 101,011,000 |
| 1967 | 223,859 | 99,879,000 |
| 1966 | 218,663 | 98,851,000 |
| 1965 | 214,967 | 97,952,000 |
| 1964 | 211,644 | 96,903,000 |
| 1963 | 208,185 | 95,900,000 |
| 1962 | 204,702 | 94,933,000 |
| 1961 | 201,201 | 94,055,000 |
| 1960 | 197,700 | 93,216,000 |
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/comoros/japan | CC BY 
From 2006 to 2016, the population of Comoros increased by 136,988 people (a 22.7% growth), while Japan lost 778,000 people (a 0.61% decline).
For the next 10 years, from 2016 to 2026, Comoros gained 162,035 people (a 21.8% growth), while Japan's population decreased by 4,398,750 people (a 3.46% decline).
Comoros was ranked 163rd most populous country in 2006 and is 160th in 2026. Japan was ranked 10th in 2006 and ranked 12th now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) Comoros' population will grow by 45.1% to 1,311,253 people with a rank change from 160th to 157th. The population of Japan will decrease by 14.1% to 105,377,283 people and rank change from 12th to 17th.
Comoros is projected to reach its peak in 2100 at 1.93M people, while Japan's population already peaked in 2010 at 128M people and is projected to decrease to 77M people by 2100.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Comoros
|
Japan
|
|
| 2100 | 0.3% | -0.5% |
| 2099 | 0.31% | -0.49% |
| 2098 | 0.34% | -0.48% |
| 2097 | 0.35% | -0.48% |
| 2096 | 0.37% | -0.48% |
| 2095 | 0.39% | -0.47% |
| 2094 | 0.4% | -0.47% |
| 2093 | 0.42% | -0.47% |
| 2092 | 0.44% | -0.47% |
| 2091 | 0.46% | -0.47% |
| 2090 | 0.48% | -0.47% |
| 2089 | 0.5% | -0.47% |
| 2088 | 0.51% | -0.47% |
| 2087 | 0.54% | -0.48% |
| 2086 | 0.55% | -0.49% |
| 2085 | 0.58% | -0.5% |
| 2084 | 0.61% | -0.5% |
| 2083 | 0.62% | -0.52% |
| 2082 | 0.63% | -0.53% |
| 2081 | 0.65% | -0.55% |
| 2080 | 0.66% | -0.57% |
| 2079 | 0.7% | -0.59% |
| 2078 | 0.71% | -0.62% |
| 2077 | 0.74% | -0.64% |
| 2076 | 0.76% | -0.67% |
| 2075 | 0.77% | -0.69% |
| 2074 | 0.79% | -0.73% |
| 2073 | 0.81% | -0.74% |
| 2072 | 0.84% | -0.76% |
| 2071 | 0.84% | -0.79% |
| 2070 | 0.86% | -0.79% |
| 2069 | 0.89% | -0.8% |
| 2068 | 0.92% | -0.8% |
| 2067 | 0.93% | -0.81% |
| 2066 | 0.95% | -0.81% |
| 2065 | 0.97% | -0.79% |
| 2064 | 0.99% | -0.79% |
| 2063 | 1% | -0.78% |
| 2062 | 1.04% | -0.77% |
| 2061 | 1.06% | -0.76% |
| 2060 | 1.08% | -0.75% |
| 2059 | 1.1% | -0.73% |
| 2058 | 1.12% | -0.71% |
| 2057 | 1.15% | -0.7% |
| 2056 | 1.18% | -0.68% |
| 2055 | 1.21% | -0.68% |
| 2054 | 1.23% | -0.65% |
| 2053 | 1.27% | -0.65% |
| 2052 | 1.3% | -0.64% |
| 2051 | 1.32% | -0.64% |
| 2050 | 1.34% | -0.64% |
| 2049 | 1.38% | -0.64% |
| 2048 | 1.38% | -0.64% |
| 2047 | 1.41% | -0.64% |
| 2046 | 1.44% | -0.65% |
| 2045 | 1.47% | -0.65% |
| 2044 | 1.49% | -0.65% |
| 2043 | 1.5% | -0.65% |
| 2042 | 1.52% | -0.66% |
| 2041 | 1.54% | -0.65% |
| 2040 | 1.57% | -0.65% |
| 2039 | 1.58% | -0.65% |
| 2038 | 1.59% | -0.65% |
| 2037 | 1.63% | -0.65% |
| 2036 | 1.63% | -0.65% |
| 2035 | 1.64% | -0.64% |
| 2034 | 1.67% | -0.63% |
| 2033 | 1.68% | -0.63% |
| 2032 | 1.7% | -0.62% |
| 2031 | 1.72% | -0.61% |
| 2030 | 1.75% | -0.6% |
| 2029 | 1.77% | -0.59% |
| 2028 | 1.79% | -0.58% |
| 2027 | 1.81% | -0.56% |
| 2026 | 1.85% | -0.54% |
| 2025 | 1.89% | -0.51% |
| 2024 | 1.91% | -0.43% |
| 2023 | 1.94% | -0.49% |
| 2022 | 1.96% | -0.44% |
| 2021 | 2% | -0.46% |
| 2020 | 1.98% | -0.29% |
| 2019 | 1.94% | -0.14% |
| 2018 | 1.97% | -0.13% |
| 2017 | 2.01% | -0.08% |
| 2016 | 2.07% | -0.05% |
| 2015 | 2.13% | -0.11% |
| 2014 | 2.2% | -0.13% |
| 2013 | 2.14% | -0.14% |
| 2012 | 2.03% | -0.16% |
| 2011 | 2.02% | -0.19% |
| 2010 | 2.01% | 0.02% |
| 2009 | 2.01% | -0.01% |
| 2008 | 2.01% | 0.05% |
| 2007 | 2.01% | 0.11% |
| 2006 | 2.04% | 0.06% |
| 2005 | 2.06% | 0.009% |
| 2004 | 1.91% | 0.03% |
| 2003 | 1.95% | 0.21% |
| 2002 | 2.14% | 0.23% |
| 2001 | 2.08% | 0.24% |
| 2000 | 1.94% | 0.17% |
| 1999 | 1.8% | 0.18% |
| 1998 | 1.74% | 0.27% |
| 1997 | 1.74% | 0.24% |
| 1996 | 1.74% | 0.23% |
| 1995 | 1.75% | 0.23% |
| 1994 | 1.79% | 0.28% |
| 1993 | 1.84% | 0.32% |
| 1992 | 2.1% | 0.37% |
| 1991 | 2.47% | 0.39% |
| 1990 | 2.65% | 0.33% |
| 1989 | 2.71% | 0.4% |
| 1988 | 2.74% | 0.42% |
| 1987 | 2.78% | 0.48% |
| 1986 | 2.82% | 0.53% |
| 1985 | 2.84% | 0.63% |
| 1984 | 2.83% | 0.65% |
| 1983 | 2.83% | 0.7% |
| 1982 | 2.81% | 0.7% |
| 1981 | 2.86% | 0.73% |
| 1980 | 3.03% | 0.79% |
| 1979 | 3.18% | 0.85% |
| 1978 | 3.29% | 0.91% |
| 1977 | 3.37% | 0.97% |
| 1976 | 3.42% | 1.08% |
| 1975 | 3.46% | 1.28% |
| 1974 | 3.44% | 1.34% |
| 1973 | 3.36% | 1.42% |
| 1972 | 3.26% | 1.41% |
| 1971 | 3.15% | 2.22% |
| 1970 | 3.03% | 1.16% |
| 1969 | 2.93% | 1.2% |
| 1968 | 2.85% | 1.13% |
| 1967 | 2.38% | 1.04% |
| 1966 | 1.72% | 0.92% |
| 1965 | 1.57% | 1.08% |
| 1964 | 1.66% | 1.05% |
| 1963 | 1.7% | 1.02% |
| 1962 | 1.74% | 0.93% |
| 1961 | 1.77% | 0.9% |
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/comoros/japan | CC BY
In 2024, the population of Comoros grew by 1.91%, while Japan's population declined by 0.43%.
Live population counters
|
Comoros
|
Japan
|
|
|---|---|---|
| Current population |
903776
|
122677250
|
| Population rank | 160/197 | 12/197 |
| Percent of world population | 0.01% | 1.48% |
| One net population change |
32.4 minutes
|
58.3 seconds
|
| One birth every |
21.6 minutes
|
42.2 seconds
|
| One death every |
1.43 hours
|
19.5 seconds
|
| Daily growth/decline | +44 | -1,483 |
| Annual growth/decline | +16,241 | -541,279 |
| Annual growth/decline rate | +1.91% | -0.43% |
| Population growth rate rank | 56/197 | 185/197 |
| One migration net change every |
4.13 hours
|
3.75 minutes
|
| Annual migration change | -2,127 | +140,579 |
| Net migration rank | 98/196 | 10/196 |
| Foreign-born residents | 12,449 | 3,409,529 |
| Foreign-born residents rank | 177/195 | 19/195 |
| Foreign-born share of population | 1.4% | 2.8% |
| Foreign-born share rank | 147/195 | 120/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Comoros
|
Japan
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -2,127 | - | 140,579 |
| 2024 | - | -2,051 | - | 153,357 |
| 2023 | 18,247 | -2,002 | -871,617 | 175,003 |
| 2022 | 18,154 | -2,002 | -825,825 | 175,003 |
| 2021 | 17,645 | -1,766 | -640,976 | -34,996 |
| 2020 | 17,906 | -1,766 | -542,923 | 42,001 |
| 2019 | 17,936 | -2,916 | -531,858 | 318,190 |
| 2018 | 17,883 | -2,917 | -456,520 | 320,601 |
| 2017 | 17,798 | -2,920 | -406,310 | 322,564 |
| 2016 | 17,913 | -2,938 | -343,106 | 314,732 |
| 2015 | 17,961 | -2,815 | -292,424 | 168,896 |
| 2014 | 17,876 | -2,667 | -267,279 | 58,109 |
| 2013 | 17,776 | -2,365 | -242,146 | 66,449 |
| 2012 | 17,565 | -3,835 | -229,733 | 67,904 |
| 2011 | 17,313 | -3,897 | -204,533 | 97,720 |
| 2010 | 16,849 | -3,832 | -128,070 | 131,860 |
| 2009 | 16,315 | -3,553 | -76,828 | 125,450 |
| 2008 | 15,804 | -3,294 | -51,225 | 142,605 |
| 2007 | 15,393 | -3,147 | -25,600 | 138,024 |
| 2006 | 15,124 | -3,020 | 12,785 | 130,065 |
| 2005 | 14,810 | -2,760 | -25,554 | 113,017 |
| 2004 | 14,349 | -2,455 | 76,656 | 69,014 |
| 2003 | 14,031 | -4,112 | 114,946 | 74,875 |
| 2002 | 13,760 | -1,925 | 178,423 | 60,864 |
| 2001 | 13,598 | -2,029 | 203,438 | 59,563 |
| 2000 | 13,270 | -2,557 | 228,317 | 23,468 |
| 1999 | 13,161 | -3,490 | 202,610 | 56,901 |
| 1998 | 13,099 | -4,194 | 265,440 | 45,912 |
| 1997 | 13,254 | -4,508 | 277,325 | 43,366 |
| 1996 | 13,390 | -4,805 | 314,392 | 25,030 |
| 1995 | 13,403 | -4,951 | 276,039 | 87,714 |
| 1994 | 13,465 | -5,024 | 363,017 | 154,214 |
| 1993 | 13,667 | -5,196 | 312,073 | 168,836 |
| 1992 | 13,867 | -5,198 | 360,833 | 170,878 |
| 1991 | 13,783 | -3,323 | 396,685 | 161,331 |
| 1990 | 13,610 | -2,141 | 407,478 | 124,582 |
| 1989 | 13,374 | -1,860 | 467,662 | 31,202 |
| 1988 | 13,144 | -1,832 | 527,085 | 51,154 |
| 1987 | 12,869 | -1,687 | 598,138 | 28,001 |
| 1986 | 12,566 | -1,502 | 631,706 | 27,987 |
| 1985 | 12,202 | -1,339 | 676,687 | -141,323 |
| 1984 | 11,830 | -1,259 | 756,523 | -273,686 |
| 1983 | 11,367 | -1,122 | 775,495 | -269,755 |
| 1982 | 11,002 | -1,065 | 805,664 | -288,550 |
| 1981 | 10,569 | -999 | 811,861 | -278,525 |
| 1980 | 10,095 | -344 | 864,372 | -92,314 |
| 1979 | 9,637 | 468 | 950,298 | -57,692 |
| 1978 | 9,189 | 909 | 1,011,234 | -47,996 |
| 1977 | 8,750 | 1,377 | 1,070,397 | -49,082 |
| 1976 | 8,371 | 1,585 | 1,127,750 | -34,976 |
| 1975 | 7,752 | 1,986 | 1,204,989 | 107 |
| 1974 | 7,654 | 1,840 | 1,332,960 | -10,145 |
| 1973 | 7,328 | 1,684 | 1,391,449 | -34,674 |
| 1972 | 7,019 | 1,461 | 1,372,006 | -73,980 |
| 1971 | 6,722 | 1,216 | 1,331,782 | -107,778 |
| 1970 | 6,456 | 966 | 1,230,496 | 33,731 |
| 1969 | 6,189 | 769 | 1,195,962 | 49,447 |
| 1968 | 5,960 | 592 | 1,191,930 | 43,593 |
| 1967 | 5,741 | 465 | 1,258,475 | 29,632 |
| 1966 | 5,601 | -1,408 | 682,072 | 68,934 |
| 1965 | 5,465 | -2,261 | 1,126,448 | -50,667 |
| 1964 | 5,359 | -1,924 | 1,046,553 | -100,696 |
| 1963 | 5,249 | -1,764 | 987,770 | -100,742 |
| 1962 | 5,157 | -1,667 | 901,864 | -57,075 |
| 1961 | 5,027 | -1,518 | 893,522 | -58,882 |
| 1960 | 4,886 | -1,406 | 894,874 | -150,371 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).
GeoRank.org/population/comoros/japan | CC BY
Over the last 10 years, 87.9% of the population change in Comoros is from natural causes (a gain of 179,319 people) and 12.1% is from migration (a loss of 24,709 people). In Japan 73.6% is from natural causes (a loss of 5,178,838 people) and 26.4% is from migration (a gain of 1,860,103 people).
As of 2024, 12,449 residents or 1.4% of the population were not native-born in Comoros, compared to 3,409,529 people or 2.8% in Japan.
Biggest cities by population
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Population differences between Comoros and Japan
|
Comoros
|
Japan
|
|
|---|---|---|
| Life expectancy | 67.5 years | 85.1 years |
| Average age | 25.8 years | 48.3 years |
| Median age | 21.5 years | 50.4 years |
| Male:Female ratio | 50.3:49.7 | 48.8:51.2 |
| Fertility rate | 3.88 births per woman | 1.2 births per woman |
| Population density | 1,252 ppl/mi² | 872 ppl/mi² |
Population map with other countries
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/comoros/japan | CC BY
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Data sources:
- World Bank | Health (1960–2025, retrieved 2026-04-06)
- United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
- U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
- Wikidata (2026, retrieved 2026-02-08)
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