Illegitimacy Rate by Year

Year	Number	#/1000 unwed women	% of Births
2002	1,358,768	43.6	33.8
2001	1,349,249	43.8	33.5
2000	1,347,043	44.0	33.2
1990	1,165,384	43.8	28.0
1980	665,747	29.4	18.4
1970	398,700	26.4	10.7
1960	224,300	21.6	5.3
1950	141,600	14.1	3.9