Cancer prevalence is defined as the number or percent of people alive on a certain date in a population who previously had a diagnosis of the disease. It includes new (incidence) and pre-existing cases, and is a function of both past incidence and survival. Information on prevalence can be used for health planning, resource allocation, and an estimate of cancer survivorship. Overview of Cancer Prevalence ¹ contains a description of the types of and methodology for calculating prevalence statistics.

Find published reports and research tools for calculating Prevalence ² Statistics.