表4−21 人工妊娠中絶数および不妊フニン手術数:1949〜2009年
年次 人工ジンコウ妊娠ニンシン中絶チュウゼツ  ニン
手術数
年次 人工妊娠中絶  ニン
手術数
  実施率(‰) 対出生比()   実施率(‰) 対出生比(%)
1949 101,601 4.9 3.8 5,695 1980 598,084 19.5 37.9 9,201
1950 320,150 15.1 13.7 11,403 1981 596,569 19.5 39.0 8,516
1951 458,757 21.3 21.5 16,233 1982 590,299 19.3 39.0 8,442
1952 798,193 36.3 39.8 22,424 1983 568,363 18.5 37.7 8,546
1953 1,068,066 47.7 57.2 32,552 1984 568,916 18.5 38.2 8,194
1954 1,143,059 50.2 64.6 38,056 1985 550,127 17.8 38.4 7,657
1955 1,170,143 50.2 67.6 43,255 1986 527,900 17.1 38.2 7,729
1956 1,159,288 48.7 69.6 44,485 1987 497,756 16.0 37.0 7,347
1957 1,122,316 46.2 71.6 44,400 1988 486,146 15.6 37.0 7,286
1958 1,128,231 45.6 68.2 41,985 1989 466,876 14.9 37.4 6,984
1959 1,098,853 43.6 67.6 40,092 1990 456,797 14.5 37.4 6,709
1960 1,063,256 42.0 66.2 38,722 1991 436,299 13.9 35.7 6,138
1961 1,035,329 40.6 65.1 35,483 1992 413,032 13.2 34.2 5,639
1962 985,351 37.8 60.9 32,434 1993 386,807 12.4 32.6 4,970
1963 955,092 35.7 57.6 32,666 1994 364,350 11.8 29.4 4,466
1964 878,748 32.1 51.2 29,468 1995 343,024 11.1 28.9 4,185
1965 843,248 30.2 46.2 27,022 1996 338,867 10.9 28.1 3,804
1966 808,378 28.5 59.4 22,991 1997 337,799 11.0 28.3 4,401
1967 747,490 26.0 38.6 21,464 1998 333,220 11.0 27.7 4,203
1968 757,389 26.0 40.5 18,827 1999 337,288 11.3 28.6 3,963
1969 744,451 25.3 39.4 17,356 2000 341,146 11.7 28.7 3,735
1970 732,033 24.8 37.8 15,830 2001 341,588 11.8 29.2 3,530
1971 739,674 24.9 37.0 14,104 2002 329,326 11.4 28.5 3,194
1972 732,653 24.5 35.9 11,916 2003 319,831 11.2 28.5 2,873
1973 700,532 23.2 33.5 11,737 2004 301,673 10.6 27.2 2,875
1974 679,837 22.4 33.5 10,705 2005 289,127 10.3 27.2 2,531
1975 671,597 22.1 35.3 10,100 2006 276,352 9.9 25.3 2,680
1976 664,106 21.8 36.2 9,453 2007 256,672 9.3 23.6 2,747
1977 641,242 21.1 36.5 9,520 2008 242,326 8.8 22.2 2,932
1978 618,044 20.3 36.2 9,336 2009 221,980 8.2 20.7 2,984
1979 613,676 20.1 37.4 9,412