3 février 2022
United States. Bureau of Labor Statistics, « (Restricted) Current Population Survey Fertility Supplement », Inter-university Consortium for Political and Social Research, ID : 10.3886/ICPSR37795.v1
The Current Population Survey Fertility Supplement is a national survey conducted to obtain fertility data that will assist researchers in determining changes in the number of births at specified periods in the past that have altered the Nation's population composition. The universe for this survey is each household that was eligible for the Current Population Survey (CPS). The fertility questions are asked of females 15-44 years of age. It is a proxy response survey.