National Survey of Family Growth (U.S. Centers for Disease Control and Prevention)
Gathers and provides information on family life, marriage and divorce, pregnancy, infertility, use of contraception, and men's and women's health.
Families & Living Arrangements (U.S. Census Bureau)
Collects and provides data about American families at the national, state, and community levels. Includes household and family composition and numbers of children, young adults, and couples living in the United States. Provides leads to other sources of family information collected by the U.S. government.