Births: Final Data for 2015
https://www.cdc.gov/nchs/data/nvsr/nvsr66/nvsr66_01.pdf
Presents 2015 data on U.S. births according to such characteristics as race, Hispanic origin, maternal age, live-birth order, marital status, attendant at birth, method of delivery, period of gestation, birthweight, and plurality. There were 3.9 million births and a fertility rate of 62.5 per 1,000 women. From the National Center for Health Statistics