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NCHS Data Online Query System

Data Online Query System - DOQSWelcome! The National Center for Health Statistics Data Online Query System (NCHS DOQS) provides dynamically generated statistical tables, charts, and graphs using NCHS public use data.

The query system includes all data, search parameters, and output options necessary for custom queries of public health datasets. It does not require commercial statistical software packages (such as SAS or Stata) or file downloads. NCHS DOQS is available 24/7 free of charge.

Select a Dataset to Query: