Health Care Financing - Research and Data from KFF

Section 1115 Waiver Watch: Early Signs Point to New Directions Under Trump Administration

May 2, 2025

Issue Brief

Recent actions from the Trump administration could signal limits to curtail Medicaid waivers related to social determinants of health and to limit waiver financing tools and flexibility. Two major changes demonstrate this shift: (1) rescinding Biden-era guidance on covering health-related social needs (HRSN) services, and (2) phasing out federal funding for “Designated State Health Programs” (DSHP) in waivers.

A Medicaid Per Capita Cap on the ACA Expansion Population: State by State Estimates

Apr 25, 2025

Issue Brief

This analysis examines the potential impacts on states and Medicaid enrollees of implementing a per capita cap on the federal share of Medicaid spending for the ACA Medicaid expansion population only, which is another proposal that has been discussed by members of Congress.

5 Key Facts About Medicaid Expansion

Apr 25, 2025

Issue Brief

This issue brief examines Medicaid expansion enrollment and Medicaid spending in expansion and non-expansion states and describes the characteristics of adults covered by the Medicaid expansion.

A Look at Variation in Medicaid Spending Per Enrollee by Group and Across States

Oct 6, 2025

Issue Brief

Because states have flexibility in designing their programs, state Medicaid spending and enrollment varies across states. This data note provides an overview of total Medicaid spending per enrollee by eligibility group and state.

Marketplace Insurers are Proposing a 7% Average Premium Hike for 2025 and Pointing to Rising Hospital Prices and GLP-1 Drugs as Key Drivers of Costs

Aug 5, 2024

News Release

ACA Marketplace insurers are proposing a median premium increase of 7% for 2025, similar to the 6% premium increase filed for 2024, according to a new KFF analysis of the preliminary rate filings. Insurers’ proposed rate changes – most of which fall between 2% and 10% – may change during the review process.

Medicare Program Integrity and Efforts to Root Out Improper Payments, Fraud, Waste and Abuse

Mar 31, 2025

Issue Brief

This brief explains fraud, waste, abuse, and improper payments in Medicare and describes actions to ensure Medicare program integrity.

What to Know about Medicare Spending and Financing

Jan 19, 2023

Issue Brief

This brief provides an overview of Medicare spending and financing, based on the most recent historical and projected data from the Medicare Trustees and the Congressional Budget Office (CBO). The brief highlights trends in Medicare spending and key drivers of spending growth, including higher enrollment, growth in health care costs, and increases in payments to Medicare Advantage plans.

Annual Survey of Medicaid Directors Finds States Continue to Adopt Policies to Respond to the Pandemic and Are Addressing Issues Related to Social Determinants of Health and Health Equity

Oct 27, 2021

News Release

More than 18 months into the COVID-19 pandemic, state Medicaid programs around the country continue to reshape policy in response to the public health emergency and at the same time advance broader initiatives and priorities, including efforts to address the social determinants of health and health equity, finds a new KFF survey.

Potential Costs and Impact of Health Provisions in the Build Back Better Act

Nov 23, 2021

Issue Brief

A summary of 10 of the major health coverage and financing provisions of the current Build Back Better Act, with discussion of the potential implications for people and the federal budget.

States Respond to COVID-19 Challenges but Also Take Advantage of New Opportunities to Address Long-Standing Issues

Oct 27, 2021

Report

This report provides an in-depth examination of the changes taking place in Medicaid programs across the country. The findings are drawn from the 21st annual budget survey of Medicaid officials in all 50 states and the District of Columbia conducted by KFF and Health Management Associates (HMA), in collaboration with the National Association of Medicaid Directors (NAMD). This report highlights policies in place in state Medicaid programs in FY 2021, particularly those related to the COVID-19 pandemic, as well as policy changes implemented or planned for FY 2022.

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