表４−２１　人工妊娠中絶数および不妊フニン手術数：1949〜2006年
年次	人工ジンコウ妊娠ニンシン中絶チュウゼツ			不フ　妊ニン	年次	人工妊娠中絶			不フ　妊ニン
	実  数	実施率(‰)	対出生比(%)	手術数		実  数	実施率(‰)	対出生比(%)	手術数
1949	101,601	4.9	3.8	5,695	1978	618,044	20.3	36.2	9,336
1950	320,150	15.1	13.7	11,403	1979	613,676	20.1	37.4	9,412
1951	458,757	21.3	21.5	16,233	1980	598,084	19.5	37.9	9,201
1952	798,193	36.3	39.8	22,424	1981	596,569	19.5	39.0	9,516
1953	1,068,066	47.7	57.2	32,552	1982	590,299	19.3	39.0	8,442
1954	1,143,059	50.2	64.6	38,056	1983	568,363	18.5	37.7	8,546
1955	1,170,143	50.2	67.6	43,255	1984	568,916	18.5	38.2	8,194
1956	1,159,288	48.7	69.6	44,485	1985	550,127	17.8	38.4	7,657
1957	1,122,316	46.2	71.6	44,400	1986	527,900	17.1	38.2	7,729
1958	1,128,231	45.6	68.2	41,985	1987	497,756	16.0	37.0	7,347
1959	1,098,853	43.6	67.6	40,092	1988	486,146	15.6	37.0	7,286
1960	1,063,256	42.0	66.2	38,722	1989	466,876	14.9	37.4	6,984
1961	1,035,329	40.6	65.1	35,483	1990	456,797	14.5	37.4	6,709
1962	985,351	37.8	60.9	32,434	1991	436,299	13.9	35.7	6,138
1963	955,092	35.7	57.6	32,666	1992	413,032	13.2	34.2	5,639
1964	878,748	32.1	51.2	29,468	1993	386,807	12.4	32.6	4,970
1965	843,248	30.2	46.2	27,022	1994	364,350	11.8	29.4	4,466
1966	808,378	28.5	59.4	22,991	1995	343,024	11.1	28.9	4,185
1967	747,490	26.0	38.6	21,464	1996	338,867	10.9	28.1	3,804
1968	757,389	26.0	40.5	18,827	1997	337,799	11.0	28.3	4,401
1969	744,451	25.3	39.4	17,356	1998	332,220	11.0	27.7	4,203
1970	732,033	24.8	37.8	15,830	1999	337,288	11.3	28.6	3,963
1971	739,674	24.9	37.0	14,104	2000	341,146	11.7	28.7	3,735
1972	732,653	24.5	35.9	11,916	2001	341,588	11.8	29.2	3,530
1973	700,532	23.2	33.5	11,737	2002	329,326	11.4	28.5	3,194
1974	679,837	22.4	33.5	10,705	2003	319,831	11.2	28.5	2,873
1975	671,597	22.1	35.3	10,100	2004	301,673	10.6	27.2	2,875
1976	664,106	21.8	36.2	9,453	2005	289,127	10.3	27.2	2,531
1977	641,242	21.1	36.5	9,520	2006	276,352	9.9	25.3	2,680