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Feb 2026: 2023 and 2024 mortality public-use files added (ASCII, Stata, SAS, CSV; U.S. and territory where available)

Coverage. Multiple-cause public-use data on this site span 1959–2024 for U.S. (us) files in the NBER-processed folders below. U.S. territory (ps) files are included from 1994 onward where NCHS releases them. Years and formats vary by folder—use the directory listing in each folder as the authoritative list.

  • From NCHS (CDC) — original dat
    • original data — multiple-cause mortality public-use ASCII (.dat; .zip where provided). 
    • pdfs — CDC record layout PDFs (record layouts and related documentation; years vary by file—see folder listing).
  • Processed at NBER
    • dta— Stata .dta files (by year). .
    • sas — SAS .sas7bdat files (by year). 
    • csv — CSV files (by year). 
    • pdf_txt—text extracted from PDF files used to create layouts (where available)
    • dct  — dictionary/layout files (.dct) to read raw ASCII

No geographic identifiers are included in the files for 2005-on due to a restriction imposed by the States. Information on applying for state- and county-identified data from NCHS is available.

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