From 1973 to 2002, a total of six cycles of the survey were conducted. From June 2006 through September 2019, the survey was conducted continuously, with a break in field work between July 2010 and August 2011. NSFG data collection paused in September 2019 and is slated to resume under a new contract in 2022.
Continuous since 2006 (see above); a minimum of 2 data years is required for analyses.
Mode of Collection
Sample survey: in-person interviews, supplemented by audio computer-assisted self-administered interviews for more sensitive items.
The National Survey of Family Growth (NSFG) gathers information on pregnancy/birth histories, family formation (including marriage and cohabitation), infertility,use of contraception, and general and reproductive health. The NSFG is designed to be nationally representative of women and men ages 15 to 49 years in the household-based population of the United States. Prior to 2002, the NSFG included only women ages 15 to 44 years. Men ages 15 to 44 years were included in the survey in 2002; the age range was expanded to 15 to 49 years in 2015. The NSFG has been conducted through in-person interviews, with a portion of the more sensitive questions answered privately by self-administration. The interviews are voluntary and confidential.
Since the 2002 survey, men and women ages 15 to 44 years in the household population of the United States, and since 2015, men and women ages 15-49 in this same population.