Medicare vs Medicaid: What Is the Difference
They sound almost identical and are easy to confuse, but Medicare and Medicaid are two very different programs. One is mainly about age, the other about income.
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Medicare and Medicaid are the two largest government health programs in the United States, they were created by the same 1965 law, and their names are nearly the same. No wonder people mix them up. But they serve different people in different ways. The simplest way to keep them straight: Medicare is mostly about age, Medicaid is about income.
Medicare: coverage based on age
Medicare is a federal program that primarily covers people 65 and older, regardless of income, along with some younger people with long-term disabilities or specific conditions such as end-stage renal disease. If you or a spouse paid Medicare taxes while working, you have largely paid into it already.
Medicare comes in four parts:
- Part A, hospital insurance. Covers inpatient hospital stays, some skilled nursing, and hospice. Most people pay no premium for it because they paid in through payroll taxes.
- Part B, medical insurance. Covers doctor visits, outpatient care, and preventive services. It has a monthly premium, which for 2026 is a standard $202.90, with higher earners paying more. Premiums change every year.
- Part C, Medicare Advantage. A private-plan alternative that bundles Parts A and B, and usually D, often with extra benefits.
- Part D, prescription drug coverage. Offered through private plans.
Medicaid: coverage based on need
Medicaid is a joint federal and state program that covers people with low incomes, including many children, pregnant women, people with disabilities, and low-income seniors. Because states run their own Medicaid programs within federal rules, eligibility and benefits vary by state, and the program goes by different names in different places.
Medicaid tends to have very low or no premiums and cost-sharing for those it covers, and it pays for services Medicare often does not, most notably long-term nursing home care, which is a major reason it matters so much for elderly Americans who have exhausted their savings.
You can have both
Some people are dually eligible, qualifying for both programs. For them, Medicare is generally the primary payer for medical care, and Medicaid helps cover costs Medicare leaves behind, such as premiums, copays, and long-term care. These dual-eligible individuals are among the most vulnerable and highest-need patients in the system.
The one-line version: Medicare is what you age into, Medicaid is what you qualify for based on income. One is federal and uniform, the other is state-run and varies.
Why the distinction matters
Confusing the two can lead to real mistakes, like assuming turning 65 automatically covers a nursing home (it usually does not; that is Medicaid's territory), or that a low income disqualifies you from Medicare (it does not; Medicare is not income-based). Knowing which program does what helps you plan, whether you are approaching 65, helping a parent, or trying to understand a policy debate. For official details, Medicare.gov and your state Medicaid agency are the authoritative sources, and figures like premiums are updated yearly.