Reform by the Numbers

Reform by the Numbers is a source for timely and unique data about the impact of health reform.

Materials are frequently updated. Latest resources include:

RWJF Developer Challenge

The RWJF Plan Choice Challenge invites developers and designers to create applications that can help consumers make a more informed decision when purchasing health insurance. $100,000 in prize money will be awarded across winning teams.

Read about the challenge



What do the numbers show?

Information About Exchanges

Breakaway Policy Strategies - Health Insurance Exchange (HIX) Compare. This dataset compiles information on benefits and costs of health plans offered through the marketplaces in all 50 states and DC. It includes data on premiums, network composition, deductibles and more.

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State Exchange Decisions

Leonard Davis Institute of Health Economics at the University of Pennsylvania - HIX 2.0. Multiple datasets track each state's key ACA implementation decisions and examine variation—starting with governance.

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Cutting-Edge Household Data

Urban Institute - Health Reform Monitoring Survey. The quarterly Health Reform Monitoring Survey of households provides timely information on ACA implementation and changes in health insurance coverage, access to care and affordability.

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Hospital Admissions

New Jersey Hospital Association - Hospital ACA Monitoring Project. Quarterly hospital utilization data from 24 state hospital associations on all inpatient admissions and Emergency Departement (ED) visits by payer, as well as information on a subset of diagnoses and procedures that are believed to be sensitive to insurance status.

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ACA's Impact on Providers

athenahealth - ACAView. Monthly data assess the impact of the ACA on provider access, patient financial obligation, health status of new patients, physician revenue cycle and provider reimbursement.

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Enrollment and Carrier Data

National Association of Insurance Commissioners - Enrollment and Carrier Data. Data from health, life, fraternal and property/casualty insurers include information on number of policies, federal and state taxes, health premiums earned and more.

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Have Questions?

Use #ACAnumbers to ask questions about Reform by the Numbers products.

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Featured Policy Brief

ACAView: Tracking the Impact of Health Care Reform

ACAView: Tracking the Impact of Health Care Reform

This first comprehensive report analyzes the impact of the ACA through May 2014. The report focuses on the provider perspective, showcasing how the ACA affects the practice patterns and economics of physicians and other care team members around the country.

Read the brief

Featured Commentary

RWJF Project Tracks Impact of Reform on Hospital Utilization

To monitor the impact of health reform on hospital utilization, RWJF has embarked on an important surveillance project.

Read the commentary from Katherine Hempstead

Reform by the Numbers Video

Watch Katherine Hempstead as she discusses the significance of the data available on Reform by the Numbers from the Association of Health Care Journalists member event.

Additional Data to Explore

Visit the SHADAC Data Center

Additional resources on ACa implementation and the impact of health reform

State Health Access Data Assistance Center

The State Health Access Data Assistance Center (SHADAC) helps states monitor rates of health insurance coverage.

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Will Premiums Skyrocket in 2015?

This brief finds that fears of skyrocketing premiums in 2015 may be unfounded as marketplace enrollment continues to grow and insurance companies vie to remain competitive.

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Small Businesses’ Decisions to Offer Health Insurance to Employees

A survey of small businesses gives insight on early and likely effects of the Affordable Care Act on small businesses.

Read the briefs