Enrollment - Research and Data from KFF

Medicaid Changes in House and Senate Reconciliation Bills Would Increase Costs for 1.3 Million Low-Income Medicare Beneficiaries

May 14, 2026

Issue Brief

On May 22, the House passed a reconciliation bill, the One Big Beautiful Bill Act, which would partially pay to extend expiring tax cuts by cutting Medicaid. The Congressional Budget Office (CBO) estimates that the bill would reduce federal Medicaid spending by $793 billion over ten years and 10.3 million fewer people would be enrolled in Medicaid in 2034, including 1.3 million people with Medicare, otherwise known as “dual-eligible individuals”.

Integration of Medicaid and Non-Health Program Eligibility Systems

Apr 30, 2026

State Health Facts Indicator

A Look at ACA Coverage through the Marketplaces and Medicaid Expansion Ahead of Potential Policy Changes

Jan 15, 2025

Issue Brief

In 2024, ACA enrollment (including Marketplace, Medicaid expansion, and BHP) reached 44 million, or 16.4% of the nonelderly U.S. population. From 2020-2024, enrollment in ACA coverage increased by over 60%.

Medicaid Moving Ahead in Uncertain Times: Results from a 50-State Medicaid Budget Survey for State Fiscal Years 2017 and 2018

Oct 19, 2017

Report

This report provides an in-depth examination of the changes taking place in Medicaid programs across the country. Report findings are drawn from the annual budget survey of Medicaid officials in all 50 states and the District of Columbia conducted by the Kaiser Family Foundation (KFF) and Health Management Associates (HMA), in collaboration with the National Association of Medicaid Directors (NAMD). This report examines the reforms, policy changes, and initiatives that occurred in FY 2017 and…

Medicare Advantage Insurers Will See Higher Payments as CMS Backs Off a Key Payment Update

Apr 8, 2026

Quick Insights

The Trump administration this week backed off a key element of its Medicare Advantage rate proposal, resulting in billions of dollars in additional payments to private insurers.

2024 Uninsured Rate Held Steady, as ACA Marketplace Enrollment Offset Medicaid Declines

Sep 10, 2025

Quick Insights

The ACA enhanced premium tax credit has driven growth in Marketplace enrollment and offset declines in Medicaid coverage, holding 2024's 8% uninsured rate at its near-historic low, according to new Census Bureau data.

An Early Look at State Approaches to Implementing Medicaid Work Requirements

Event Date: Apr 30, 2026

Event

KFF hosted a virtual briefing focused on states’ efforts to implement these new Medicaid work and community engagement requirements, which have created new administrative demands on states at a time of federal funding cuts, slowing revenue growth, and increasing spending demands.

Medicaid Enrollment & Spending Growth: FY 2019 & 2020

Oct 18, 2019

Issue Brief

This brief analyzes Medicaid enrollment and spending trends for FY 2019 and FY 2020 based on interviews and data provided by state Medicaid directors as part of the 19th annual survey of Medicaid directors in all 50 states and the District of Columbia. States reported declines in Medicaid enrollment and modest growth in total Medicaid spending for state fiscal year (FY) 2019 and budgeted for nearly flat enrollment growth but a return to more typical…

How Did Medicaid Renewal Outcomes Change During the Unwinding?

Aug 21, 2024

Policy Watch

This policy watch uses unwinding data collected through KFF’s Medicaid Enrollment and Unwinding Tracker to examine how national-level renewal outcomes changed over the course of unwinding, including changes in the share of people who had their coverage renewed or were disenrolled from Medicaid each month.

Medicare Part D Enrollment, Premiums, and Cost Sharing in 2026

Jun 11, 2026

Issue Brief

The Medicare Part D program provides an outpatient prescription drug benefit to 56 million older adults and people with long-term disabilities in Medicare who enroll in private plans. This brief analyzes Medicare Part D enrollment, premiums, and cost sharing in 2026 and trends over time, based on data from the Centers for Medicare & Medicaid Services (CMS).

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