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 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.
To capture the state of television marketing activities and consider the implications for people with Medicare, KFF analyzed ad data compiled by the Wesleyan Media Project, that were obtained from Vivvix (formerly Kantar) CMAG, a data analytics and consulting firm, and were coded by the Wesleyan Media Project in collaboration with KFF. The data set included all English-language TV ads that aired across national and local markets on broadcast television or national cable, from October 1st, 2022, through December 7th, 2022, the period that includes the Medicare open enrollment period for coverage in 2023.
To capture Medicare beneficiaries’ views and experiences in choosing between traditional Medicare and private plans, and among private plans, and the factors that influence these decisions, KFF worked with PerryUndem to conduct focus groups with Medicare beneficiaries in the Fall of 2022, during the annual Medicare open enrollment period. This report summarizes first-hand accounts of participants’ reactions open enrollment advertising and factors that influence their decision-making around Medicare plan choice.
This analysis documents the different sources of coverage among people with Medicare and examines variation in beneficiary characteristics by source of coverage.
This post provides an overview of how health care coverage and access will and won’t change when the public health emergency ends on May 11, including a discussion of COVID-19 vaccines, tests, and treatments, and telemedicine.
Medicare Advantage plans denied two million prior authorization requests for health care services in whole or in part in 2021, or about six percent of the 35 million requests submitted on behalf of enrollees that year, a new KFF analysis finds.
People 65 and older, who have been hardest hit by COVID-19 in terms of hospitalizations and deaths, are also at high risk of severe flu illness and are more likely to die of the flu than younger people. This analysis explores variation in the rate of flu vaccination among adults ages 65 and older covered by Medicare, and reasons cited for not getting vaccinated, based on data from the 2018 Medicare Current Beneficiary Survey.
As the coronavirus continues to spread, the number of people on Medicare admitted to the hospital for COVID-19 related illness is expected to rise. We analyze how much Medicare beneficiaries could pay out-of-pocket for an inpatient hospital admission under traditional Medicare (assuming no supplemental coverage) or Medicare Advantage plans.
Medicare Part D plan sponsors, which provide drug coverage to 45 million older adults and people with disabilities, have the option to relax their ‘refill too soon’ restrictions in response to the COVID-19 pandemic, as part of efforts to ensure adequate access to medications in disasters or emergencies. This analysis examines the share of Part D enrollees who currently have access to extended supplies of generic, brand-name, and specialty-tier drugs covered by their plan in 2020, prior to relaxation of any early-fill restrictions in response to the COVID-19 outbreak.
These FAQs provide the latest guidance on testing and treatment related to COVID-19 for Medicare beneficiaries, including questions related to out-of-pocket costs, the COVID-19 vaccine, telehealth, extended supplies of medication, skilled nursing facility stays, and issues for people in private Medicare Advantage plans.
© 2026 KFF