Data and Limitations

A main strength was the availability of comprehensive historical mortality data extending back to 1941. Forecast uncertainty is unavoidable for living cohorts and is greater for younger cohorts. The study did not analyze trends separately…

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A main strength was the availability of comprehensive historical mortality data extending back to 1941. Forecast uncertainty is unavoidable for living cohorts and is greater for younger cohorts. The study did not analyze trends separately by race or ethnicity because of data constraints. Migration limits interpretation of state-residence-based cohort analyses because it changes cohort composition over time. The study used US Mortality Database data built from official sources such as census records and death certificates.