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.
This analysis documents average deductibles for Affordable Care Act Marketplace plans available on Healthcare.gov in 2025 for all metal tiers, including silver plans after cost-sharing reductions are applied, as well as trend data since 2014.
This analysis illustrates how provisions included in the House budget reconciliation bill could expose Marketplace enrollees with unpredictable incomes to higher penalties when filing taxes if they underestimate their incomes. About one in four potential Marketplace shoppers had incomes that varied at least 20 percent from the beginning to the end of the year.
This analysis looks at the individual market enrollees who make at least four times the federal poverty level who would no longer be eligible for any tax credits if the current ACA Marketplace enhanced subsidies expire at the end of this year. Compared to other people with similar incomes, these enrollees are more likely to be early retirees, self-employed and living in rural areas.
This blog post details ten things to know about the 2025 open enrollment period.
Oral contraceptives are the most commonly used method of reversible contraception in the U.S. In July 2023, the FDA approved Opill, the first daily oral contraceptive pill to become available over the counter (OTC) without a doctor’s prescription. This issue brief provides an overview of OTC oral contraceptives and laws and policies related to insurance coverage.
This report examines the share of doctors participating in the provider networks of Qualified Health Plans (QHPs) offered in the individual market in the federal and state Marketplaces in 2021, and how network breadth affected costs for enrollees.
A KFF analysis of physician networks in the Affordable Care Act’s Marketplace plans finds wide variations in the share of local practicing physicians who participate, with the least costly plans generally having a smaller share of physicians than more expensive plans.
This analysis of insurers' preliminary rate filings shows that ACA Marketplace insurers are requesting a median premium increase of 7% for 2025, similar to the 6% premium increase filed for 2024. Insurers cite growing health care prices – particularly for hospital care – as a key driver of premium growth in 2025.
Using health insurer financial data for 2023, we find that in 2023, per enrollee gross margins were highest in the Medicare Advantage market, and medical loss ratios were lowest in the individual insurance market. Across most markets, gross margins have been relatively stable in recent years.
Insurers estimate they will pay $1.1 billion in Medical Loss Ratio (MLR) rebates in 2024 to select individuals and employers that purchase their health coverage, according to a KFF analysis of preliminary data reported to state regulators. The estimated rebate for 2024 is larger than rebates issued in most prior years. Nearly $12 billion in rebates have been issued since 2012.
© 2025 KFF