Birth Data

The Department of Health collects information on pregnancy and delivery in Washington State from birth certificates. Information is used to calculate birth rates, fertility patterns, and maternal and infant health characteristics. These can be examined by a variety of information including maternal and paternal demographics, delivery method, length of gestation, birth weight, and plurality.

View the Data

The Department of Health provides information through interactive dashboards. These dashboards allow users to:

  Pregnancy and Birth Outcomes

All Births - County

All Births - ACH

Birth Risk Factors - Maternal Age

  Birth Risk Factors - Maternal Race

Birth Risk Factors - County

Birth Risk Factors - ACH

How to purchase files

These are record level data files. Working with these data files requires use of spreadsheet, database management, or statistical software that are not provided. A Data Sharing Agreement (DSA) is required to access all vital records data. Sample Data Sharing Agreement

A DSA documents the conditions under which the Department of Health shares limited datasets containing potentially identifiable information with outside entities. By signing the DSA, the recipient(s) of the data agrees to not link information with any other information that could identify an individual or use the information to contact any individuals. Data may not be disclosed unless agreed upon in the DSA.

Data files available for purchase

Birth Statistical Files (1980 to 2022)

Medical and statistical information from the birth certificate about the mother, father, newborn, and the delivery. (Birth weight, pregnancy history, prenatal care, smoking status, method of delivery, and risk factors in pregnancy etc.).

Data Dictionary 1980-2016 (Word)

Birth Statistical File - Data Dictionary and Crosswalks (Excel)

Birth Historical Notes (Word)

Birth Data File Technical Notes - A Data User's Guide (PDF)

More information

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Our office has these topics: CHARS Data Users, Vital Statistics Data, and BRFSS Data Users.

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