Among US young adults, chronic-condition prevalence increased from 52.5% in 2013 to 59.5% in 2023, and multiple chronic condition prevalence increased from 21.8% to 27.1% over the same period.
Notes on verification
Confirmed verbatim by peer-reviewed CDC PCD study (Watson et al. 2025) indexed on PubMed/PMC, with consistent figures across multiple independent sources including a secondary industry citation. [tier=silver indep_score=0.925 clusters=2 claim_tier=notable]
Sources
- Trends in Multiple Chronic Conditions Among US Adults ... (seed:health_and_medicine)
- https://pubmed.ncbi.nlm.nih.gov/40245168/ (corroboration)
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12007472/ (corroboration)
- https://www.researchgate.net/publication/390893588_Trends_in_Multiple_Chronic_Conditions_Among_US_Adults_By_Life_Stage_Behavioral_Risk_Factor_Surveillance_System_2013-2023 (corroboration)