Historical Statistics of the United States Millennial Edition Online

		Ba579	Ba580	Ba581	Ba582
		Overall	Presence and age of children
		With no children under 18	With children under 6	With children under 3
Row	Year	Percent	Percent	Percent	Percent
1	1948	22.0	28.4	10.8	----
2	1949	22.5	28.7	11.0	----
3	1950	23.8	30.3	11.9	----
4	1951	25.2	31.0	14.0	----
5	1952	25.3	30.9	13.9	----

6	1953	26.3	31.2	15.5	----
7	1954	26.6	31.6	14.9	----
8	1955	27.7	32.7	16.2	----
9	1956	29.0	35.3	15.9	----
10	1957	29.6	35.6	17.0	----

11	1958	30.2	35.4	18.2	----
12	1959	30.9	35.2	18.7	----
13	1960	30.5	34.7	18.6	----
14	1961	32.7	37.3	20.0	----
15	1962	32.7	36.1	21.3	----

16	1963	33.7	37.4	22.5	----
17	1964	34.4	37.8	22.7	----
18	1965	34.7	38.3	23.3	----
19	1966	35.4	38.4	24.2	----
20	1967	36.8	38.9	26.5	----

21	1968	38.3	40.1	27.6	----
22	1969	39.6	41.0	28.5	----
23	1970	40.8	42.2	30.3	----
24	1971	40.8	42.1	29.6	----
25	1972	41.5	42.7	30.1	----

26	1973	42.2	42.8	32.7	----
27	1974	43.1	43.0	34.4	----
28	1975	44.4	43.8	36.7	32.7
29	1976	45.1	43.7	37.5	32.7
30	1977	46.6	44.8	39.4	34.7

31	1978	47.5	44.6	41.7	37.9
32	1979	49.3	46.6	43.3	39.6
33	1980	50.1	46.0	45.1	41.3
34	1981	51.0	46.3	47.8	43.7
35	1982	51.2	46.2	48.7	45.3

36	1983	51.8	46.6	49.9	46.0
37	1984	52.8	47.2	51.8	48.2
38	1985	54.2	48.2	53.4	50.5
39	1986	54.6	48.2	53.8	50.9
40	1987	55.8	48.4	56.8	54.2

41	1988	56.6	48.9	57.1	54.5
42	1989	57.6	50.5	57.4	53.9
43	1990	58.2	51.1	58.9	55.5
44	1991	58.5	51.2	59.9	56.8
45	1992	59.3	51.9	59.9	57.5

46	1993	59.4	52.4	59.6	57.3
47	1994	60.6	53.2	61.7	59.7
48	1995	61.1	53.2	63.5	60.9
49	1996	61.1	53.4	62.7	60.5
50	1997	62.1	54.2	63.6	61.3

51	1998	61.8	54.1	63.7	61.4
52	1999	61.6	54.4	61.8	59.2