日本の少子化
統計

1898年（明治31年）までは内務省・内閣統計局「国勢調査以前日本人口統計集成」、1899年（明治33年）以降は国立社会保障・人口問題研究所「人口統計資料集」、厚生労働省「人口動態統計」による。
| 年 | 出生数 | 出生率 | 合計特殊出生率 |
| --- | --- | --- | --- |
| 1872 | 569,034 | 16.3 |  |
| 1873 | 809,487 | 23.1 |  |
| 1874 | 836,113 | 23.8 |  |
| 1875 | 869,126 | 24.6 |  |
| 1876 | 902,946 | 25.4 |  |
| 1877 | 890,518 | 24.8 |  |
| 1878 | 874,883 | 24.2 |  |
| 1879 | 876,719 | 24.0 |  |
| 1880 | 883,584 | 24.1 |  |
| 1881 | 941,343 | 25.5 |  |
| 1882 | 922,715 | 24.8 |  |
| 1883 | 1,004,989 | 26.8 |  |
| 1884 | 975,252 | 25.7 |  |
| 1885 | 1,024,574 | 26.7 |  |
| 1886 | 1,050,617 | 27.3 |  |
| 1887 | 1,058,137 | 27.3 |  |
| 1888 | 1,172,729 | 30.0 |  |
| 1889 | 1,209,910 | 30.7 |  |
| 1890 | 1,145,374 | 28.7 |  |
| 1891 | 1,086,775 | 27.0 |  |
| 1892 | 1,207,034 | 29.8 |  |
| 1893 | 1,178,428 | 28.8 |  |
| 1894 | 1,208,983 | 29.4 |  |
| 1895 | 1,246,427 | 30.0 |  |
| 1896 | 1,282,178 | 30.5 |  |
| 1897 | 1,334,125 | 31.5 |  |
| 1898 | 1,369,638 | 31.9 |  |
| 1899 | 1,386,981 | 32.0 | 4.73 |
| 1900 | 1,420,534 | 32.4 | 4.69 |
| 1901 | 1,501,591 | 33.9 | 5.01 |
| 1902 | 1,510,853 | 33.6 | 4.97 |
| 1903 | 1,489,816 | 32.0 | 4.83 |
| 1904 | 1,440,371 | 30.6 | 4.61 |
| 1905 | 1,452,770 | 30.6 | 4.52 |
| 1906 | 1,394,295 | 29.0 | 4.38 |
| 1907 | 1,614,472 | 33.2 | 5.03 |
| 1908 | 1,662,815 | 33.7 | 5.13 |
| 1909 | 1,693,850 | 33.9 | 5.16 |
| 1910 | 1,712,857 | 33.9 | 5.01 |
| 1911 | 1,747,803 | 34.1 | 5.19 |
| 1912 | 1,737,674 | 33.4 | 5.08 |
| 1913 | 1,757,441 | 33.3 | 5.07 |
| 1914 | 1,808,402 | 33.8 | 5.14 |
| 1915 | 1,799,326 | 33.2 | 4.91 |
| 1916 | 1,804,822 | 32.9 | 4.98 |
| 1917 | 1,812,413 | 32.7 | 4.95 |
| 1918 | 1,791,992 | 32.2 | 4.83 |
| 1919 | 1,778,685 | 31.6 | 4.77 |
| 1920 | 2,025,564 | 36.2 | 5.35 |
| 1921 | 1,990,876 | 35.1 | 5.22 |
| 1922 | 1,969,314 | 34.3 | 5.12 |
| 1923 | 2,043,297 | 35.2 | 5.26 |
| 1924 | 1,998,520 | 33.9 | 5.07 |
| 1925 | 2,086,091 | 34.9 | 5.10 |
| 1926 | 2,104,405 | 34.6 | 5.19 |
| 1927 | 2,060,737 | 33.4 | 5.00 |
| 1928 | 2,135,852 | 34.1 | 5.09 |
| 1929 | 2,077,026 | 32.7 | 4.87 |
| 1930 | 2,085,101 | 32.4 | 4.70 |
| 1931 | 2,102,784 | 32.1 | 4.76 |
| 1932 | 2,182,742 | 32.9 | 4.86 |
| 1933 | 2,121,253 | 31.5 | 4.63 |
| 1934 | 2,043,783 | 29.9 | 4.39 |
| 1935 | 2,190,704 | 31.6 | 4.59 |
| 1936 | 2,101,969 | 30.0 | 4.34 |
| 1937 | 2,180,734 | 30.9 | 4.45 |
| 1938 | 1,928,321 | 27.2 | 3.88 |
| 1939 | 1,901,573 | 26.6 | 3.80 |
| 1940 | 2,115,867 | 29.4 | 4.11 |
| 1941 | 2,277,283 | 31.1 | 4.36 |
| 1942 | 2,233,660 | 30.3 | 4.18 |
| 1943 | 2,253,535 | 30.3 | 4.11 |
| 1944 | 2,149,843 | 29.2 | 3.95 |
| 1945 | 1,685,583 | 23.2 | 3.11 |
| 1946 | 1,905,809 | 25.3 | 3.37 |
| 1947 | 2,678,792 | 34.3 | 4.541 |
| 1948 | 2,681,624 | 33.7 | 4.400 |
| 1949 | 2,696,638 | 33.2 | 4.316 |
| 1950 | 2,337,507 | 28.2 | 3.650 |
| 1951 | 2,137,689 | 25.4 | 3.262 |
| 1952 | 2,005,162 | 23.5 | 2.976 |
| 1953 | 1,868,040 | 21.5 | 2.695 |
| 1954 | 1,769,580 | 20.1 | 2.481 |
| 1955 | 1,730,692 | 19.4 | 2.370 |
| 1956 | 1,665,278 | 18.5 | 2.223 |
| 1957 | 1,566,713 | 17.3 | 2.043 |
| 1958 | 1,653,469 | 18.1 | 2.110 |
| 1959 | 1,626,088 | 17.6 | 2.039 |
| 1960 | 1,606,041 | 17.3 | 2.004 |
| 1961 | 1,589,372 | 17.0 | 1.961 |
| 1962 | 1,618,616 | 17.1 | 1.976 |
| 1963 | 1,659,521 | 17.4 | 2.005 |
| 1964 | 1,716,761 | 17.8 | 2.049 |
| 1965 | 1,823,697 | 18.7 | 2.139 |
| 1966 | 1,360,974 | 13.8 | 1.578 |
| 1967 | 1,935,647 | 19.4 | 2.226 |
| 1968 | 1,871,839 | 18.5 | 2.134 |
| 1969 | 1,889,815 | 18.5 | 2.131 |
| 1970 | 1,934,239 | 18.7 | 2.135 |
| 1971 | 2,000,973 | 19.1 | 2.157 |
| 1972 | 2,038,682 | 19.2 | 2.142 |
| 1973 | 2,091,983 | 19.2 | 2.140 |
| 1974 | 2,029,989 | 18.4 | 2.049 |
| 1975 | 1,901,440 | 17.0 | 1.909 |
| 1976 | 1,832,617 | 16.3 | 1.852 |
| 1977 | 1,755,100 | 15.4 | 1.800 |
| 1978 | 1,708,643 | 14.9 | 1.792 |
| 1979 | 1,642,580 | 14.2 | 1.769 |
| 1980 | 1,576,889 | 13.6 | 1.747 |
| 1981 | 1,529,455 | 13.0 | 1.741 |
| 1982 | 1,515,392 | 12.8 | 1.770 |
| 1983 | 1,508,687 | 12.7 | 1.800 |
| 1984 | 1,489,780 | 12.5 | 1.811 |
| 1985 | 1,431,577 | 11.9 | 1.764 |
| 1986 | 1,382,946 | 11.4 | 1.723 |
| 1987 | 1,346,658 | 11.1 | 1.690 |
| 1988 | 1,314,006 | 10.8 | 1.656 |
| 1989 | 1,246,802 | 10.2 | 1.572 |
| 1990 | 1,221,585 | 10.0 | 1.543 |
| 1991 | 1,223,245 | 9.9 | 1.533 |
| 1992 | 1,208,989 | 9.8 | 1.502 |
| 1993 | 1,188,282 | 9.6 | 1.458 |
| 1994 | 1,238,328 | 10.0 | 1.500 |
| 1995 | 1,187,064 | 9.6 | 1.423 |
| 1996 | 1,206,555 | 9.7 | 1.425 |
| 1997 | 1,191,665 | 9.5 | 1.388 |
| 1998 | 1,203,147 | 9.6 | 1.384 |
| 1999 | 1,177,669 | 9.4 | 1.342 |
| 2000 | 1,190,547 | 9.5 | 1.359 |
| 2001 | 1,170,662 | 9.3 | 1.334 |
| 2002 | 1,153,855 | 9.2 | 1.319 |
| 2003 | 1,123,610 | 8.9 | 1.291 |
| 2004 | 1,110,721 | 8.8 | 1.289 |
| 2005 | 1,062,530 | 8.4 | 1.260 |
| 2006 | 1,092,674 | 8.7 | 1.317 |
| 2007 | 1,089,818 | 8.6 | 1.337 |
| 2008 | 1,091,156 | 8.7 | 1.367 |
| 2009 | 1,070,036 | 8.5 | 1.368 |
| 2010 | 1,071,305 | 8.5 | 1.387 |
| 2011 | 1,050,807 | 8.3 | 1.393 |
| 2012 | 1,037,232 | 8.2 | 1.405 |
| 2013 | 1,029,817 | 8.2 | 1.427 |
| 2014 | 1,003,609 | 8.0 | 1.423 |
| 2015 | 1,005,721 | 8.0 | 1.451 |
| 2016 | 977,242 | 7.8 | 1.442 |
| 2017 | 946,146 | 7.6 | 1.428 |
| 2018 | 918,397 | 7.4 | 1.416 |
| 2019 | 865,239 | 7.0 | 1.361 |
| 2020 | 840,832 | 6.8 | 1.330 |
| 2021 | 811,604 | 6.6 | 1.303 |
| 2022 | 770,747 | 6.3 | 1.257 |
| 2023 | 727,277 | 6.0 | 1.201 |