Fertility of American Women, 2010
"Data on fertility of American women for the noninstitutionalized population are collected biannually in the June Current Population Survey (CPS) for the Nation. Detailed information from recent surveys and historical trends in selected tables are listed below. Data on children ever born and mothers’ age at last birth are collected for women 15 to 44 years old arom 1971 to present and are available at the national level. These data are the best source for historical trends in fertility. (Note: Reports from 1997 to present are currently on-line)..."