The National Vital Statistics System (NVSS) provides the most complete data on births and deaths in the United States. https://www.cdc.gov/nchs/nvss/index.htm
Materials developed by CDC. Reference to specific commercial products, manufacturers, companies, or trademarks does not constitute its endorsement or recommendation by the U.S. Government, Department of Health and Human Services, or Centers for Disease Control and Prevention. All data is available on CDC website free of charge.