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This page displays an interactive map of the current status of state decisions on the Affordable Care Act's Medicaid expansion. Additional Medicaid expansion resources are listed (with links) below the map.
KFF’s new interactive maps illustrate Medicaid enrollment by congressional district and eligibility group. In half of Republican congressional districts, at least 20% of residents are enrolled in Medicaid, and in half of Democratic districts, at least 25% are enrolled.
The 2025 reconciliation law makes sweeping changes to Medicaid that will affect every state through key eligibility and financing changes, including new work requirements, immigrant eligibility restrictions, and changes to provider taxes and state directed payments. This issue brief explains which states will be affected by each of these key provisions.
This data note provides new information about waiting lists from KFF’s most recent survey of state Medicaid home care programs, including a discussion of why waiting lists are an incomplete measure of unmet need and why they are not necessarily comparable across states or over time, despite KFF’s efforts to obtain as consistent data as possible.
KFF's interactive tracks key data and policies that will affect how states implement Medicaid work requirements, which are required under the 2025 budget reconciliation law starting in January 2027. The tracker includes state-level data on Medicaid enrollment and renewal outcomes as well as current state enrollment and renewal policies.
This brief describes the role of Medicaid Fraud Control Units (MFCUs) in program integrity efforts, examines caseload and case outcome data, and current issues facing MFCUs.
The 2025 budget reconciliation created the Rural Health Transformation Program, which will award $50 billion in state grants over a five-year period. This brief provides an overview of the program, describing its structure, how funds can be used, how funding compares to Medicaid spending reductions in the reconciliation law, and how the funds are being distributed across and within states.
This brief describes current fiscal conditions using the latest state revenue and spending data from the National Association of State Budget Officers (NASBO) and analyzes how these conditions may impact states’ Medicaid budget decisions going forward.
This issue brief uses data from KFF’s 2025-2026 survey of Medicaid directors and from a proposed rule on provider taxes to describe states’ current provider taxes, explore how rules governing provider taxes are changing because of the 2025 reconciliation law and the regulations implementing that law, and summarizes which changes may affect each state.
An estimated $60 billion in federal Medicaid spending in 37 states (including the District of Columbia) would likely exceed new federal limits on state directed payments for hospital services once fully implemented, a new KFF analysis finds. States with the biggest potential reductions in Medicaid payments to hospitals include California, Illinois, Kentucky, Texas, North Carolina, Louisiana, Arizona and Michigan.
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