Nation Prescription drug prices increased twice the inflation rate of US economy in 2020, AARP report finds June 8, 2021June 9, 2021 Taylor Avery, USA TODAY Comments Off on Prescription drug prices increased twice the inflation rate of US economy in 2020, AARP report finds Brand-name prescription drugs widely used by seniors saw a 2.9% price increase in 2020, twice the U.S. general inflation rate, an AARP study shows.