Medicare v Medicaid Statistics in US 2026 | Key Facts

Difference Between Medicare vs Medicaid in America 2026

Medicare and Medicaid are two of the most consequential government health insurance programs in the United States, yet they operate under completely different rules and serve distinctly different populations. Medicare, established under Title XVIII of the Social Security Act in 1965, is a wholly federal program administered by the Centers for Medicare & Medicaid Services (CMS) that primarily covers Americans aged 65 and older, along with younger individuals who qualify due to disability or End-Stage Renal Disease (ESRD). It is funded through payroll taxes, beneficiary premiums, and general federal revenues — and eligibility is not income-based. Medicaid, established under Title XIX in the same year, is a joint federal and state program designed to extend health coverage to low-income individuals and families, including children, pregnant women, elderly adults with limited assets, and people with disabilities. The federal government sets broad national guidelines, but each state administers its own Medicaid program, meaning eligibility criteria, benefits, and costs vary considerably from state to state.

Understanding Medicare vs Medicaid in the US 2026 has never been more important, as both programs are navigating unprecedented levels of enrollment, spending, and federal legislative scrutiny. As of 2024, Medicare enrolled 68.0 million people in one or both of Parts A and B — a milestone confirmed by the official CMS Brief Summaries of Medicare & Medicaid (November 2024). Medicaid and CHIP enrolled 77,050,295 people as of September 2025, per CMS monthly enrollment data, making Medicaid the single largest source of health coverage for any payer in the United States. Together, Medicare and Medicaid accounted for 39 percent of all national health expenditures (NHE) in 2024 — Medicare at 21 percent ($1,118.0 billion) and Medicaid at 18 percent ($931.7 billion) — and both programs are projected to keep growing. The numbers from 2026 reflect an American healthcare system more reliant on these two programs than at any prior point in history.

Interesting Facts About Medicare vs Medicaid in the US 2026

Before diving into the latest statistics, the table below captures the most striking and informative verified facts about both programs, sourced exclusively from official U.S. government publications and peer-reviewed analyses of government data.

Sources: CMS Brief Summaries of Medicare & Medicaid, November 15, 2024 (cms.gov); CMS September 2025 Medicaid & CHIP Enrollment Data Highlights (medicaid.gov); CMS NHE Fact Sheet 2024 (cms.gov); CMS 2026 Medicare Parts A & B Premiums Fact Sheet, November 14, 2025 (cms.gov); CMS “Medicare Advantage and Medicare Prescription Drug Programs Expected to Remain Stable in 2026,” September 2025 (cms.gov); KFF “Medicare Advantage in 2025: Enrollment Update and Key Trends,” July 2025 (kff.org); AJMC citing CMS 2024 data on dual eligibles (ajmc.com, 2025); KFF “A Snapshot of Sources of Coverage Among Medicare Beneficiaries,” December 2025 (kff.org)

The facts above draw a sharp distinction between how each program functions and who bears the cost. Medicare is a universal federal entitlement for older Americans, with 68 million enrolled in 2024, operating on a premium, deductible, and coinsurance structure that applies regardless of income (with income-based surcharges for higher earners). Medicaid is a means-tested program with enormous state-level variation, where a person qualifying in one state may not qualify in another, and where the federal government’s matching contribution — the Federal Medical Assistance Percentage (FMAP) — ranged from 50 percent to 77.27 percent among the 50 states in FY 2024, with an overall combined average of 62.31 percent. Perhaps the most striking cross-program fact is the role of dual-eligible beneficiaries: the 12.8 million Americans enrolled in both Medicare and Medicaid simultaneously represent only ~19 percent of Medicare enrollment yet account for a staggering 35 percent of all Medicare spending, reflecting the extraordinarily complex and expensive medical and long-term care needs of this population.

The 2026 program landscape also underscores a crucial structural shift within Medicare. With Medicare Advantage now enrolling 34.1 million people — 54 percent of all eligible Medicare beneficiaries as of March 2025 — the MA program has become the dominant delivery model for Medicare coverage. Yet growth is decelerating: the 4 percent increase from 2024 to 2025 (+1.3 million beneficiaries) is well below the prior decade’s pace, and CMS’s own projection for 2026 MA enrollment dips to approximately 34 million (~48% of Medicare), down from 34.9 million in 2025, as major insurers retrenched from unprofitable counties. At the same time, Medicaid faces perhaps the most serious legislative threat in its history, with Congressional Budget Office projections estimating that proposed federal reconciliation legislation could cut $911 billion in federal Medicaid spending over a decade.

Medicare vs Medicaid Total Enrollment Statistics in the US 2026

Sources: CMS Brief Summaries of Medicare & Medicaid, November 15, 2024 (cms.gov); CMS September & October 2025 Medicaid & CHIP Enrollment Data Highlights (medicaid.gov); CMS National Health Expenditure Accounts 2024 Highlights (cms.gov); KFF “Medicare Advantage in 2025: Enrollment Update and Key Trends,” July 28, 2025 (kff.org); KFF “A Snapshot of Sources of Coverage Among Medicare Beneficiaries,” December 19, 2025 (kff.org); CMS “Medicare Advantage and Medicare Prescription Drug Programs Expected to Remain Stable in 2026,” September 2025 (cms.gov); AJMC 2025, citing CMS 2024 dual eligible data (ajmc.com)

The enrollment numbers across Medicare and Medicaid in the US 2026 reflect two very different trajectories. Medicare’s total enrollment of 68.0 million in 2024 grew at 2.2 percent — a steady, predictable increase driven by the aging of the baby boom generation. When Medicare first launched on July 1, 1966, 19.0 million people enrolled; the program has since grown more than three and a half times over. Within Medicare, the most significant structural development of the past decade is the dominance of Medicare Advantage, now covering 34.1 million beneficiaries — 54 percent of those with both Medicare Parts A and B as of March 2025. Of those MA enrollees, 21 percent are in Special Needs Plans (SNPs) — which restrict enrollment to specific high-need populations — up from 12 percent in 2010, with SNP enrollment projected at ~7.2 million for 2025. However, CMS’s projection for 2026 shows MA enrolling approximately 34 million beneficiaries (~48% of Medicare), a modest decline from 2025’s 34.9 million due to major insurers cutting their geographic footprints. Traditional Medicare now serves only 28.7 million beneficiaries, and among them, 13 percent lack any supplemental coverage, leaving them fully exposed to Medicare’s deductibles and coinsurance.

Medicaid’s enrollment story in 2026 is defined almost entirely by the aftermath of the COVID-19 pandemic’s continuous enrollment provision. At its peak in 2023, Medicaid enrolled approximately 92.2 million people — a record driven by the Families First Coronavirus Response Act, which prevented states from disenrolling anyone during the public health emergency. When that requirement ended and states resumed eligibility redeterminations, Medicaid enrollment dropped by 8.6 percent — a loss of 7.9 million people — in 2024 alone, bringing enrollment to an estimated 84.3 million. The most current CMS point-in-time monthly data shows 77,050,295 enrolled in September 2025 and 76,790,559 in October 2025, reflecting only those eligible for comprehensive benefits. Even after these losses, the composition of who remains enrolled tells an important story: 47.7 percent of Medicaid/CHIP enrollees — or 36.7 million people — are children, confirming Medicaid’s fundamental role as the dominant source of health coverage for America’s youth. The 12.8 million dual-eligible beneficiaries enrolled in both programs remain one of the most policy-significant populations in U.S. health care, with 68 percent of them now enrolled in Medicare Advantage plans — a share that has grown significantly as D-SNP plans have proliferated.

Medicare vs Medicaid Spending Statistics in the US 2026

Sources: CMS NHE Fact Sheet 2024 & NHE 2024 Highlights (cms.gov); CMS Brief Summaries of Medicare & Medicaid, November 15, 2024, pp. 24–35 (cms.gov); MACPAC “Medicaid Spending by Eligibility Group and Dually Eligible Status, FY 2023” (macpac.gov); MedPAC Data Book, July 2025, Section 9 (medpac.gov); KFF “A Look at Variation in Medicaid Spending Per Enrollee by Group and Across States,” updated October 2025 (kff.org); Congressional Research Service “Medicaid Financing and Expenditures” (congress.gov)

The spending comparison between Medicare and Medicaid in the US 2026 reveals two enormous programs with fundamentally different cost structures. Medicare’s $1,118.0 billion in total spending in 2024 — an increase of 7.8 percent — reflects the expense of covering a population whose per-person medical costs are among the highest in the country: CMS NHE data show that per-person personal health care spending for Americans aged 65 and older was $22,356 in 2020, more than five times the $4,217 spent per child. Within Medicare, Part B’s $497.4 billion in 2023 benefit payments is the single largest spending bucket, driven by physician services, outpatient care, and durable medical equipment. Medicare Advantage plans alone received approximately $494 billion in government payments in 2024, per MedPAC estimates — more than double 2018 payments. The CMS Office of the Actuary projects Medicare spending growth to accelerate further in 2026, partly due to reduced rebates on Part D drugs and continued enrollment growth, following a projected deceleration in 2025.

Medicaid’s $931.7 billion in 2024 spending — up 6.6 percent — hides a striking internal dynamic: even as total enrollment fell sharply, per-enrollee Medicaid spending jumped 16.6 percent in 2024, driven primarily by the compositional change in enrollment (as younger, healthier, less expensive members left the program during redeterminations) combined with rising provider rates and growing state-directed payments through managed care. The spending breakdown by group is highly unequal: in FY 2023, children represented 35 percent of full-benefit enrollment but only 15.6 percent of spending, while individuals with disabilities (28.9% of spending) and the aged 65+ (21.3%) together consumed over 50 percent of total Medicaid expenditures despite representing only about 19 percent of enrollment. Dual-eligible beneficiaries generated $212.2 billion in Medicaid spending in FY 2023 — 24.6 percent of all Medicaid outlays. With total Medicaid outlays projected at $1,216.4 billion by FY 2029 per CMS actuarial estimates, and with proposed reconciliation legislation threatening to cut $911 billion over a decade per CBO estimates, the spending trajectory of Medicaid in 2026 is the most consequential open question in American health policy.

Medicare Advantage vs Traditional Medicare Statistics in the US 2026

Sources: CMS 2026 Medicare Parts A & B Premiums and Deductibles Fact Sheet, November 14, 2025 (cms.gov); CMS “Medicare Advantage and Medicare Prescription Drug Programs Expected to Remain Stable in 2026,” September 2025 (cms.gov); CMS “CMS Finalizes 2026 Payment Policy Updates for Medicare Advantage and Part D Programs,” April 2025 (cms.gov); KFF “Medicare Advantage in 2025: Enrollment Update and Key Trends,” July 28, 2025 (kff.org); KFF “A Snapshot of Sources of Coverage Among Medicare Beneficiaries,” December 19, 2025 (kff.org); MedPAC Data Book, July 2025, Section 9 (medpac.gov)

The Medicare Advantage vs traditional Medicare data in 2026 reveals a program at a genuine inflection point. With 54 percent of eligible Medicare beneficiaries — 34.1 million people — choosing Medicare Advantage in 2025, MA has become the majority delivery system for Medicare for the first time in history. Yet growth is clearly decelerating: the 4 percent increase from 2024 to 2025 (+1.3 million beneficiaries) is well below the prior decade’s pace, and CMS’s 2026 projection dips to approximately 34 million (~48% of Medicare), down from 34.9 million in 2025, as major insurers retrenched from counties they deemed financially unsustainable. For those who remain in MA, the value proposition is compelling: the average monthly MA premium is just $14.00 in 2026 (down from $16.40 in 2025), and over 99 percent of Medicare beneficiaries have access to at least one MA plan, with 97 percent having access to 10 or more plan choices. The government’s payment rate to MA plans increased by 5.06 percent for 2026, with an effective growth rate of 9.04 percent, partly due to the inclusion of additional fee-for-service expenditure data through Q4 2024 that was unavailable when the Advance Notice was published earlier.

For beneficiaries who remain in traditional Medicare, 2026 brings the largest Part B premium increase in recent years: the standard premium climbed to $202.90 — a $17.90 increase from 2025’s $185.00. CMS specifically noted that without administrative action on skin substitute reimbursement through the 2026 Physician Fee Schedule Final Rule — which is projected to cut spending in that category by 90 percent without affecting patient care — the premium would have been approximately $11 higher per month. The Part B deductible rose to $283 (up $26 from $257), and the Part A hospital deductible reached $1,736 per benefit period (up $60 from $1,676 in 2025). These rising costs are the key driver for why 3.5 million traditional Medicare beneficiaries — 13 percent of those in original Medicare — still have no supplemental coverage, leaving them fully exposed to Medicare’s out-of-pocket requirements. Medicaid, by contrast, prohibits cost-sharing for most low-income enrollees, and the approximately 10 million low-income Medicare beneficiaries in Medicare Savings Programs (MSPs) benefit from having Medicaid cover their Part B premiums — one of the most impactful real-world connections between these two programs.

Medicare Part B Premium History & Cost-Sharing Statistics in the US 2026

Sources: CMS 2026 Medicare Parts A & B Premiums and Deductibles Fact Sheet, November 14, 2025 (cms.gov); CMS 2025 Medicare Parts A & B Premiums and Deductibles Fact Sheet, November 8, 2024 (cms.gov); CMS 2024 Medicare Parts A & B Premiums and Deductibles Fact Sheet, October 12, 2023 (cms.gov); CMS 2023 Medicare Parts A & B Premiums and Deductibles Fact Sheet, September 27, 2022 (cms.gov)

The Medicare Part B premium and cost-sharing history through 2026 tells the story of a program whose financial demands on beneficiaries continue to grow steadily year after year. The standard Part B monthly premium climbed from $164.90 in 2023 to $202.90 in 2026 — an increase of $38.00 over just three years, or approximately 23 percent. The 2026 premium of $202.90 represents the largest single-year dollar increase in the five-year period shown, at +$17.90 (+9.7%) from 2025. According to CMS, this increase is mainly due to projected price changes and assumed utilization increases consistent with historical experience. The agency specifically highlighted that the 2026 Physician Fee Schedule Final Rule’s action on skin substitute reimbursement — expected to reduce spending on that category by 90 percent — prevented an additional approximately $11 per month from being added to the premium. The Part A hospital deductible has now risen $180 in four years, from $1,556 in 2022 to $1,736 in 2026, and the SNF daily coinsurance for days 21–100 has risen from $194.50 to $217.00 over the same period, a cumulative increase of $22.50 per day.

These trends in Medicare cost-sharing in the US 2026 carry profound implications for the roughly 28.7 million beneficiaries in traditional Medicare, particularly those relying on fixed incomes. A beneficiary enrolled in original Medicare in 2026 pays $202.90 per month ($2,434.80/year) for Part B alone, before any deductibles or coinsurance apply. Adding the $283 Part B deductible, potential $1,736 Part A hospital deductible, and up to $217.00 per day in SNF coinsurance from days 21 through 100 illustrates why supplemental coverage through Medicare Advantage, Medigap, or employer-sponsored retiree plans is so critical. Medicaid, by contrast, imposes no equivalent cost-sharing structure for the vast majority of its enrollees. For the approximately 10 million low-income Medicare beneficiaries enrolled in Medicare Savings Programs (MSPs), Medicaid picks up the Part B premium and — depending on the MSP category — may also cover Part A and Part B deductibles and coinsurance. This direct Medicaid subsidy of Medicare costs represents one of the most significant but often overlooked connections between these two programs, and it makes understanding Medicare vs Medicaid statistics in the US 2026 essential for anyone seeking to navigate the American health coverage landscape.

Disclaimer: The data reports published on The Global Files are sourced from publicly available materials considered reliable. While efforts are made to ensure accuracy, no guarantees are provided regarding completeness or reliability. The Global Files is not liable for any errors, omissions, or damages resulting from the use of these reports.