| Source | UN (World Population Prospects 2019) |
| Date | 23 Aug 2021 |
The current population of Japan is 125,006,854 as of September 26, 2023, based on interpolation of the latest United Nations data. The population of Japan is projected at 126,050,804 or 126.051 million as of July 1, 2021. The total population in Japan is projected at 126,476,461 or 126.476 million people for the year 2020. Japan ranks number 11th in the world by population in the list of 235 countries/territories. Japan is ranked 6st among 51 countries in Asia.
Japan's population peaked in 2009 with 128.56 mn people after Japan's population decreased year by year. The Japanese population is projected to reach 120.76 million in 2030 and decrease further to 105.80 million in 2050 and 74.96 million by 2100. Japan accounts for 1.60 percent of the world population. However, its global share has been declining since 1.98% of 2004 and is projected to decline by 0.69% by 2100.
Japan was at 5th position globally in 1950, and its rank is projected to decline at 36th in 2100.
| Year | Population | Growth | Share (%) | |
|---|---|---|---|---|
| Net Change | rate (%) | to World | ||
| 2020 | 126,476,461 | -383,840 | -0.30 | 1.62 |
| 2021 | 126,050,804 | -425,657 | -0.34 | 1.60 |
| 2022 | 125,584,838 | -465,966 | -0.37 | 1.58 |
| 2023 | 125,081,319 | -503,519 | -0.40 | 1.56 |
| 2024 | 124,543,914 | -537,405 | -0.43 | 1.54 |
| 2025 | 123,975,982 | -567,932 | -0.46 | 1.51 |
| 2026 | 123,379,106 | -596,876 | -0.48 | 1.49 |
| 2027 | 122,754,992 | -624,114 | -0.51 | 1.47 |
| 2028 | 122,107,375 | -647,617 | -0.53 | 1.45 |
| 2029 | 121,440,550 | -666,825 | -0.55 | 1.43 |
| 2030 | 120,758,057 | -682,493 | -0.56 | 1.41 |
| 2031 | 120,062,527 | -695,530 | -0.58 | 1.39 |
| 2032 | 119,355,235 | -707,292 | -0.59 | 1.37 |
| 2033 | 118,636,760 | -718,475 | -0.60 | 1.36 |
| 2034 | 117,906,955 | -729,805 | -0.62 | 1.34 |
| 2035 | 117,166,141 | -740,814 | -0.63 | 1.32 |
| 2036 | 116,415,517 | -750,624 | -0.64 | 1.30 |
| 2037 | 115,657,084 | -758,433 | -0.65 | 1.28 |
| 2038 | 114,892,926 | -764,158 | -0.66 | 1.27 |
| 2039 | 114,125,389 | -767,537 | -0.67 | 1.25 |
| 2040 | 113,356,476 | -768,913 | -0.67 | 1.23 |
| 2041 | 112,587,235 | -769,241 | -0.68 | 1.22 |
| 2042 | 111,818,501 | -768,734 | -0.68 | 1.20 |
| 2043 | 111,051,702 | -766,799 | -0.69 | 1.18 |
| 2044 | 110,288,302 | -763,400 | -0.69 | 1.17 |
| 2045 | 109,529,351 | -758,951 | -0.69 | 1.16 |
| 2046 | 108,775,259 | -754,092 | -0.69 | 1.14 |
| 2047 | 108,025,989 | -749,270 | -0.69 | 1.13 |
| 2048 | 107,281,351 | -744,638 | -0.69 | 1.11 |
| 2049 | 106,540,922 | -740,429 | -0.69 | 1.10 |
| 2050 | 105,804,027 | -736,895 | -0.69 | 1.09 |
| 2051 | 105,070,740 | -733,287 | -0.69 | 1.07 |
| 2052 | 104,340,209 | -730,531 | -0.70 | 1.06 |
| 2053 | 103,609,657 | -730,552 | -0.70 | 1.05 |
| 2054 | 102,875,489 | -734,168 | -0.71 | 1.04 |
| 2055 | 102,134,981 | -740,508 | -0.72 | 1.03 |
| 2056 | 101,387,471 | -747,510 | -0.73 | 1.01 |
| 2057 | 100,633,221 | -754,250 | -0.74 | 1.00 |
| 2058 | 99,871,669 | -761,552 | -0.76 | 0.99 |
| 2059 | 99,102,483 | -769,186 | -0.77 | 0.98 |
| 2060 | 98,325,806 | -776,677 | -0.78 | 0.97 |
| 2061 | 97,541,841 | -783,965 | -0.80 | 0.96 |
| 2062 | 96,751,613 | -790,228 | -0.81 | 0.95 |
| 2063 | 95,957,178 | -794,435 | -0.82 | 0.94 |
| 2064 | 95,161,226 | -795,952 | -0.83 | 0.93 |
| 2065 | 94,366,265 | -794,961 | -0.84 | 0.91 |
| 2066 | 93,573,718 | -792,547 | -0.84 | 0.90 |
| 2067 | 92,785,133 | -788,585 | -0.84 | 0.89 |
| 2068 | 92,003,309 | -781,824 | -0.84 | 0.88 |
| 2069 | 91,231,457 | -771,852 | -0.84 | 0.87 |
| 2070 | 90,472,356 | -759,101 | -0.83 | 0.87 |
| 2071 | 89,727,265 | -745,091 | -0.82 | 0.86 |
| 2072 | 88,997,472 | -729,793 | -0.81 | 0.85 |
| 2073 | 88,285,664 | -711,808 | -0.80 | 0.84 |
| 2074 | 87,594,805 | -690,859 | -0.78 | 0.83 |
| 2075 | 86,926,940 | -667,865 | -0.76 | 0.82 |
| 2076 | 86,283,336 | -643,604 | -0.74 | 0.81 |
| 2077 | 85,663,570 | -619,766 | -0.72 | 0.81 |
| 2078 | 85,065,746 | -597,824 | -0.70 | 0.80 |
| 2079 | 84,486,881 | -578,865 | -0.68 | 0.79 |
| 2080 | 83,924,563 | -562,318 | -0.67 | 0.79 |
| 2081 | 83,378,017 | -546,546 | -0.65 | 0.78 |
| 2082 | 82,847,120 | -530,897 | -0.64 | 0.77 |
| 2083 | 82,330,879 | -516,241 | -0.62 | 0.77 |
| 2084 | 81,828,308 | -502,571 | -0.61 | 0.76 |
| 2085 | 81,338,415 | -489,893 | -0.60 | 0.76 |
| 2086 | 80,860,408 | -478,007 | -0.59 | 0.75 |
| 2087 | 80,393,389 | -467,019 | -0.58 | 0.75 |
| 2088 | 79,936,259 | -457,130 | -0.57 | 0.74 |
| 2089 | 79,487,832 | -448,427 | -0.56 | 0.74 |
| 2090 | 79,047,123 | -440,709 | -0.55 | 0.73 |
| 2091 | 78,613,363 | -433,760 | -0.55 | 0.73 |
| 2092 | 78,186,030 | -427,333 | -0.54 | 0.72 |
| 2093 | 77,764,738 | -421,292 | -0.54 | 0.72 |
| 2094 | 77,349,195 | -415,543 | -0.53 | 0.71 |
| 2095 | 76,939,131 | -410,064 | -0.53 | 0.71 |
| 2096 | 76,534,219 | -404,912 | -0.53 | 0.70 |
| 2097 | 76,134,164 | -400,055 | -0.52 | 0.70 |
| 2098 | 75,738,595 | -395,569 | -0.52 | 0.70 |
| 2099 | 75,347,135 | -391,460 | -0.52 | 0.69 |
| 2100 | 74,959,377 | -387,758 | -0.51 | 0.69 |
| Year | Population | Growth | Share (%) | |
|---|---|---|---|---|
| Net Change | rate (%) | to World | ||
| 1950 | 82,802,084 | - | - | 3.26 |
| 1951 | 84,316,264 | 1,514,180 | 1.83 | 3.26 |
| 1952 | 85,659,443 | 1,343,179 | 1.59 | 3.26 |
| 1953 | 86,869,975 | 1,210,532 | 1.41 | 3.24 |
| 1954 | 87,980,575 | 1,110,600 | 1.28 | 3.23 |
| 1955 | 89,018,257 | 1,037,682 | 1.18 | 3.21 |
| 1956 | 90,004,181 | 985,924 | 1.11 | 3.19 |
| 1957 | 90,953,809 | 949,628 | 1.06 | 3.17 |
| 1958 | 91,877,638 | 923,829 | 1.02 | 3.14 |
| 1959 | 92,782,231 | 904,593 | 0.98 | 3.11 |
| 1960 | 93,673,615 | 891,384 | 0.96 | 3.09 |
| 1961 | 94,560,709 | 887,094 | 0.95 | 3.06 |
| 1962 | 95,458,524 | 897,815 | 0.95 | 3.03 |
| 1963 | 96,389,424 | 930,900 | 0.98 | 3.00 |
| 1964 | 97,379,402 | 989,978 | 1.03 | 2.97 |
| 1965 | 98,447,002 | 1,067,600 | 1.10 | 2.95 |
| 1966 | 99,596,069 | 1,149,067 | 1.17 | 2.92 |
| 1967 | 100,822,291 | 1,226,222 | 1.23 | 2.90 |
| 1968 | 102,124,005 | 1,301,714 | 1.29 | 2.88 |
| 1969 | 103,496,035 | 1,372,030 | 1.34 | 2.85 |
| 1970 | 104,929,251 | 1,433,216 | 1.38 | 2.84 |
| 1971 | 106,427,103 | 1,497,852 | 1.43 | 2.82 |
| 1972 | 107,976,027 | 1,548,924 | 1.46 | 2.80 |
| 1973 | 109,528,512 | 1,552,485 | 1.44 | 2.79 |
| 1974 | 111,022,689 | 1,494,177 | 1.36 | 2.77 |
| 1975 | 112,413,359 | 1,390,670 | 1.25 | 2.76 |
| 1976 | 113,679,191 | 1,265,832 | 1.13 | 2.74 |
| 1977 | 114,827,832 | 1,148,641 | 1.01 | 2.71 |
| 1978 | 115,879,211 | 1,051,379 | 0.92 | 2.69 |
| 1979 | 116,867,356 | 988,145 | 0.85 | 2.67 |
| 1980 | 117,816,940 | 949,584 | 0.81 | 2.64 |
| 1981 | 118,732,841 | 915,901 | 0.78 | 2.62 |
| 1982 | 119,605,250 | 872,409 | 0.73 | 2.59 |
| 1983 | 120,427,636 | 822,386 | 0.69 | 2.56 |
| 1984 | 121,189,266 | 761,630 | 0.63 | 2.53 |
| 1985 | 121,883,482 | 694,216 | 0.57 | 2.50 |
| 1986 | 122,509,117 | 625,635 | 0.51 | 2.47 |
| 1987 | 123,072,710 | 563,593 | 0.46 | 2.44 |
| 1988 | 123,584,527 | 511,817 | 0.42 | 2.40 |
| 1989 | 124,058,520 | 473,993 | 0.38 | 2.37 |
| 1990 | 124,505,240 | 446,720 | 0.36 | 2.34 |
| 1991 | 124,929,772 | 424,532 | 0.34 | 2.31 |
| 1992 | 125,331,297 | 401,525 | 0.32 | 2.28 |
| 1993 | 125,707,411 | 376,114 | 0.30 | 2.25 |
| 1994 | 126,053,129 | 345,718 | 0.28 | 2.23 |
| 1995 | 126,365,484 | 312,355 | 0.25 | 2.20 |
| 1996 | 126,644,094 | 278,610 | 0.22 | 2.17 |
| 1997 | 126,892,738 | 248,644 | 0.20 | 2.15 |
| 1998 | 127,117,434 | 224,696 | 0.18 | 2.12 |
| 1999 | 127,326,070 | 208,636 | 0.16 | 2.10 |
| 2000 | 127,524,174 | 198,104 | 0.16 | 2.08 |
| 2001 | 127,713,828 | 189,654 | 0.15 | 2.05 |
| 2002 | 127,893,078 | 179,250 | 0.14 | 2.03 |
| 2003 | 128,058,372 | 165,294 | 0.13 | 2.01 |
| 2004 | 128,204,195 | 145,823 | 0.11 | 1.98 |
| 2005 | 128,326,116 | 121,921 | 0.10 | 1.96 |
| 2006 | 128,422,734 | 96,618 | 0.08 | 1.94 |
| 2007 | 128,494,057 | 71,323 | 0.06 | 1.92 |
| 2008 | 128,538,646 | 44,589 | 0.03 | 1.89 |
| 2009 | 128,555,189 | 16,543 | 0.01 | 1.87 |
| 2010 | 128,542,353 | -12,836 | -0.01 | 1.85 |
| 2011 | 128,498,965 | -43,388 | -0.03 | 1.82 |
| 2012 | 128,423,571 | -75,394 | -0.06 | 1.80 |
| 2013 | 128,314,195 | -109,376 | -0.09 | 1.78 |
| 2014 | 128,168,639 | -145,556 | -0.11 | 1.76 |
| 2015 | 127,985,133 | -183,506 | -0.14 | 1.73 |
| 2016 | 127,763,265 | -221,868 | -0.17 | 1.71 |
| 2017 | 127,502,725 | -260,540 | -0.20 | 1.69 |
| 2018 | 127,202,192 | -300,533 | -0.24 | 1.67 |
| 2019 | 126,860,301 | -341,891 | -0.27 | 1.64 |