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U.S. brand and generic prescription drug spending 2017-2021

Proportion of branded versus generic prescription drug spending in the United States from 2017 to 2021

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Release date

April 2022


United States

Survey time period

2017 to 2021

Supplementary notes

Spending based on invoice U.S. dollars. Prescription counts are not adjusted for length of prescriptions and re-aggregated. Prescriptions referred to as '90 day' are calculated based on transactions with 84 days supply or more to include medicines with up to one week fewer treatment days. Prescriptions for 84 days supply or more or factored by three, and those under 84 days unchanged.

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Statistics on " Generics and biosimilars "

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