The independent source for health policy research, polling, and news.
KFF’s policy research provides facts and analysis on a wide range of policy issues and public programs.
KFF designs, conducts and analyzes original public opinion and survey research on Americans’ attitudes, knowledge, and experiences with the health care system to help amplify the public’s voice in major national debates.
KFF Health News is a national newsroom that produces in-depth journalism about health issues and is one of the organization’s core operating programs.
When the Affordable Care Act’s (ACA) health insurance marketplaces (also known as “exchanges”) go online this October, millions of people are expected to apply for private insurance coverage. Nobody expects the launch will be perfect, with no hitches and problems.
Total Medicare Advantage Enrollment, 1992-2014 Download Source MPR/Kaiser Family Foundation analysis of CMS Medicare Advantage enrollment files, 2008-2014, and MPR, “Tracking Medicare Health and Prescription Drug Plans Monthly Report,” 2001-2007. Report of the Medicare Board of Trustees, 2002.
This snapshot finds that between June 2010 and June 2011, while enrollment continued to grow as an additional 2.2 million people enrolled in Medicaid programs nationally, enrollment growth in the program slowed as the economy started to improve. Enrollment growth over this period was 4.4 percent, down significantly each of the two prior annual periods.
The Affordable Care Act (ACA) will significantly increase coverage options through an expansion of Medicaid and the creation of new health insurance exchange marketplaces. However, effective outreach and enrollment efforts will be key to ensuring that new coverage opportunities translate into increased coverage.
This brief highlights estimates from the Urban Institute’s ACS-HIPSM on the magnitude and composition of Medicaid enrollees and the uninsured after full implementation of the Affordable Care Act (ACA), including the Medicaid expansion. Both state and local level estimates highlight the geographic variation.
A new brief from the Kaiser Family Foundation documents the continuing climb in Medicare Advantage plan enrollment, even at a time when payments to such plans are being reduced under the Affordable Care Act.
In its third year, the survey tracks the experiences of assistance programs signing people up for Affordable Care Act coverage during open enrollment and, for consumers who qualify, during special enrollment periods. This year, for the second time, the survey includes health insurance brokers who helped people apply for non-group coverage in an ACA marketplace.
For 15 years, KCMU and HMA have conducted annual surveys of Medicaid programs across the country. The NAMD has formally collaborated on this project since 2014. This brief provides a look back at the enrollment and spending trends as well as the multitude of policy actions taken by states across key areas: eligibility and application processes; provider rates and taxes; benefits, pharmacy and long-term care since as well as highlighting more recent data on managed care and delivery system reforms collected as part of this annual survey. Looking ahead, the survey will continue to capture the evolution of the Medicaid program with a focus program changes during economic cycles as well as innovations in payment and delivery system reform.
This fact sheet provides an overview of Louisiana’s planning activities to implement its Medicaid expansion, Healthy Louisiana.
This brief provides an overview of recent trends in Medicaid and CHIP enrollment as of January 2016, based on data from the Centers for Medicare and Medicaid Services (CMS) produced as part of its Performance Indicator Project. The project was designed to provide timely data on Medicaid and CHIP eligibility and enrollment that are intended to help strengthen data-driven program management and oversight efforts at both the national and state level. They also provide insight into Medicaid and CHIP eligibility and enrollment experiences as the ACA is implemented. This brief examines data as of January 2016 to be able to look at two full years of data post implementation of the major coverage provisions in the Affordable Care Act (ACA).
© 2026 KFF