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Peterson-KFF Health System Tracker

The Peterson-KFF Health System Tracker is an online hub monitoring how well the U.S. health system is operating through key quality and cost measures. A partnership of the Peterson Center on Healthcare and KFF, the Tracker documents trends in Health Spending, Quality of Care, Access & Affordability, and Health & Wellbeing through issue briefs and downloadable chart collections. The Tracker also includes the Interactive Health Spending Explorer tool, which helps users analyze more than 50 years of health expenditure data, and a Health System Dashboard, which provides quick and easy access to the latest, most relevant statistics.

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  • Insurers’ Preliminary Rate Filings Anticipate Biggest Increases in ACA Marketplace Plan Premiums Since 2018

    News Release

    This analysis of preliminary rate filings submitted by 105 ACA Marketplace insurers in 19 states and DC shows that ACA Marketplace insurers are requesting a median premium increase of 15% for 2026, which would represent the largest hike in premiums since 2018, the last time policy uncertainty contributed to sharp premium growth. The scheduled expiration of enhanced tax credits and impact of tariffs on some drugs, medical equipment, and supplies are among the factors pushing premiums higher

  • Individual Market Insurers Requesting Largest Premium Increases in More Than 5 Years

    Issue Brief

    This analysis of preliminary rate filings submitted by 105 ACA Marketplace insurers in 19 states and DC shows that ACA Marketplace insurers are requesting a median premium increase of 15% for 2026, which would represent the largest hike in premiums since 2018, the last time policy uncertainty contributed to sharp premium growth. The scheduled expiration of enhanced tax credits and impact of tariffs on some drugs, medical equipment, and supplies are among the factors pushing premiums higher

  • How Affordability of Employer Coverage Varies by Family Income

    Issue Brief

    This analysis looks at the share of family income people with employer-based coverage pay toward their premiums and out-of-pocket payments for medical care. The cost of employer sponsored health insurance—including premiums, deductibles, and other out-of-pocket costs—has risen steadily over time.

  • Health Spending Issues to Watch This Year

    Issue Brief

    KFF and the Peterson Center on Healthcare examine market trends contributing to rising health costs and identify several potential federal and state policy issues to watch throughout 2025, including high-cost drugs, federal funding cuts, and workforce shortages.

  • How Does Cost Affect Access to Care?

    Feature

    This slideshow examines how cost and insurance affects people's access to care, including decisions to forgo or delay needed care and access to a usual source of care.

  • How Has the Quality of the U.S. Health Care System Changed Over Time?

    Issue Brief

    This chart collection examines five types of indicators: outcomes of treatment, provision of appropriate treatment, patient safety, preventive services, and health system capacity and workforce shortages. Measuring quality in health care is complex: a vast number of metrics are used to monitor health system performance since there is no singular definition of quality, and data is often limited and delayed.

  • Challenges with Effective Price Transparency Analyses

    Issue Brief

    Promoting price transparency in health care is a policy approach with bi-partisan support in Congress and the public at large. This analysis examines the vast troves of price transparency data that payers are required and finds unlikely prices, inconsistencies, and other oddities that pose major challenges for efforts to use it to promote competition and drive down prices.