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JAMA Infographic
Visualizing Health Policy
July 28, 2015

Medicaid and Medicare Trends and Challenges

JAMA. 2015;314(4):329. doi:10.1001/jama.2015.8130

This Visualizing Health Policy infographic illustrates the trends and challenges for Medicaid and Medicare as the programs mark their 50th year. Nearly 4 million uninsured, low-income adults remain in the coverage gap in states that have not expanded Medicaid under the Affordable Care Act. Across the entire country, the share of Medicaid enrollment in comprehensive managed care increased from 38% to 49% between 2002 and 2011. The program’s per enrollee spending averaged $5790 in 2011 but varied across different covered populations. The share of beneficiaries enrolled in Medicare private health plans increased to 31% in 2015, and their average out-of-pocket spending ranged from $3023 to $8276 per year, with older beneficiaries spending more. Meanwhile, the number of Medicare beneficiaries is expected to increase to 92.8 million by 2050.

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Source: Kaiser Family Foundation analysis. Original data and detailed source information are available at