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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.
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The 24th annual survey of state Medicaid and CHIP program officials conducted by KFF and the Georgetown University Center for Children and Families (CCF) provides a baseline of state Medicaid and CHIP eligibility, enrollment, and renewal policies in place as of January 2026 as they prepare to implement the changes included in the 2025 reconciliation law.
The number and share of people without insurance grew in 2024, increasing for the first time since 2019, according to KFF's analysis of data from the American Community Survey (ACS). This issue brief describes trends in health coverage in 2024, examines the characteristics of the uninsured population , and summarizes the access and financial implications of not having coverage.
This policy watch examines the United States’ measles elimination status, including what it means to eliminate measles, whether the current measles outbreak could threaten the country’s measles elimination status, and what losing that status might mean for measles control.
This brief provides an overview of deaths in ICE custody and detention centers under the Trump administration based on KFF analysis of ICE detainee death reporting and news releases and reviews recent reports of health care issues in detention centers.
A growing number of states, reaching 30 as of March, have announced that they are no longer following CDC recommendations as their benchmark for some or all childhood vaccines... The court’s stay does not change these states’ decisions and in some ways may allow them to avoid a potential ‘ping pong’ of federal vaccine policy that could result from future legal rulings or actions by the administration.
This brief provides data from the 2025 KFF/New York Times Survey of Immigrants on the health and health care experiences of immigrant parents and their children in the U.S. amid the current policy environment.
In the weeks after the Trump administration reduced the number of recommended childhood vaccines for routine use, the public’s trust in the CDC remains at its lowest point. Among those who have heard about the recent changes to the recommended childhood vaccine schedule, more say they expect the changes to have a negative impact than a positive one on children’s health.
Weeks after the Trump administration reduced the number of childhood vaccine recommended for routine use, public trust in the CDC is at its lowest since the COVID-19 pandemic, and less than half are confident in federal agencies' ability to make such recommendations. Among those who have heard about the revised recommendations, more say they expect the changes to have a negative impact than a positive one on children’s health.
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