This dataset has counts of births occurring within the United States to U.S. residents and non-residents.
Counts can be obtained by state, county, urbanization, child's gender and weight, mother's bridged race, mother's single race, mother's age, mother's education,
gestation period, prenatal care, birth plurality, medical and tobacco use risk factors (mother).
The data are derived from birth certificates issued in years 2007 - 2021.
Data Use Restrictions:
The Public Health Service Act (42 U.S.C. 242m(d)) provides that the data collected by the
National Center for Health Statistics (NCHS) may be used only for the purpose for which they were obtained;
any effort to determine the identity of any reported cases, or to use the information for any purpose other
than for health statistical reporting and analysis, is against the law. Therefore users will:
- Use these data for health statistical reporting and analysis only.
- Do not present or publish birth counts of 9 or fewer or
birth rates based on counts of nine or fewer (in figures, graphs, maps, tables, etc.).
- Make no attempt to learn the identity of any person or establishment included in these data.
- Make no disclosure or other use of the identity of any person or establishment discovered inadvertently
and advise the NCHS Confidentiality Officer of any such discovery.
National Center for Health Statistics
3311 Toledo Road
Hyattsville, MD 20782
Sanctions for Violating Rules:
Researchers who violate the terms of the data use restrictions will lose access to WONDER
and their sponsors and institutions will be notified. Researchers who are suspected of
violating the rules may be prevented from using WONDER until an investigation can be completed.
Deliberately making a false statement in any matter within the jurisdiction of any department or
agency of the Federal government violates 18 USC 1001 and is punishable by a fine of up to $10,000
or up to 5 years in prison, or both.