Health Reform: By The Numbers

A source for timely and unique data about the impact of national health reform.

View all items in this collection

Reform by the Numbers provides timely data and insights into key issues related to Affordable Care Act (ACA) coverage expansion and ACA implementation and impact.

The collection includes research and analysis supported by the Robert Wood Johnson Foundation from organizations including Altarum Center on Sustainable Health Spending, Georgetown University Health Policy Institute, Leonard Davis Institute of Health Economics, Mathematica Policy Research, State Health Data Access Assistance Center, State Health Reform Assistance Network, and the Urban Institute. It also includes regular commentary on health reform implementation and national health spending by Katherine Hempstead, a senior adviser for RWJF programs focused on health coverage and health care price transparency and value.

Browse this collection


The Implications of Medicaid Expansion in the Remaining States

May 16, 2018 | Brief

The Urban Institute looks at the benefits of Medicaid expansion in the 32 states that have expanded the program compared to the 19 states that have not.


Marketplace Pulse: Bright Spots

May 1, 2018 | Brief

Despite general problems in the ACA marketplace, such as high premiums and lackluster carrier participation, current conditions are quite stable.


Marketplace Pulse: After the Silver Load

April 1, 2018 | Report

CMS announced shifts in marketplace enrollment by metal in 2018. Due to quirks introduced by the elimination of cost-sharing reduction payments, subsidy-eligible customers found they could get better deals by choosing bronze or gold.


Coverage Declines May Slow Health Care Spending Growth

March 27, 2018 | Brief

An Altarum Institute report shows signs of a slowdown in growth in health care services spending, which accounts for roughly 70 percent of overall health spending.


Changes in Marketplace Premiums

March 21, 2018 | Brief

Research by Urban Institute shows factors that contributed to 2018 marketplace premium increases and provides state estimates of average premium increases in silver and gold plans and detailed analysis of changes in select markets within 20 states.

Featured Data Resources

HIX Compare

The Health Insurance Exchange Comparison (known as HIX Compare) provides nationally comprehensive raw data and overviews on all plans offered in the health insurance marketplaces across all 50 states.

Browse the HIX Compare website

Health Reform Monitoring Survey

The  Health Reform Monitoring Survey (HRMS) is a quarterly household survey tracking a variety of health and health care factors, resulting in information on implementation issues under the Affordable Care Act, changes in health insurance coverage and related health outcomes.

Browse the HRMS website

Learn More About Our Work

Doctor examines a young girl.
Health Coverage