19% Arthritis Prevalence in the US According to NHIS, in 2022, the prevalence of diagnosed arthritis in adults was 18.9% . These numbers are down since the CDC's MMWR report of 2019–'21, where it was estimated 21.2% of U.S. adults had "diagnosed arthritis" https://t.co/mtYSBHw8Oo https://t.co/NHqjLlwatm