The uninsured rose in 2024 for the first time since 2019
KFF (2026). Key Facts about the Uninsured Population. kff.org
26.7 million people under 65 were uninsured in 2024 (9.8 percent), up 1.3 million from 2023; 80.2 percent of the uninsured are in families below 400 percent of the poverty line; 62 percent of uninsured adults report health care debt.
affSupports: Inherency and Advantage 1Cut this card
Coverage losses ahead: 17 million more uninsured by 2034
Commonwealth Fund (May 2026). U.S. Health Care from a Global Perspective 2026, Expanded Edition. commonwealthfund.org
Reports that recent marketplace and Medicaid changes are projected to increase the uninsured by 17 million by 2034, returning the country to pre-ACA coverage levels, with the potential for tens of thousands of additional preventable deaths a year, and that the U.S. remains the only high-income nation without universal coverage.
affSupports: Inherency and Advantage 1Cut this card
CBO projects more than 14 million additional uninsured by 2034
KFF (2026), summarizing Congressional Budget Office projections, in Key Facts about the Uninsured Population. cbo.gov
Use the KFF summary for the number and pull the underlying CBO estimate from cbo.gov for the card.
affSupports: InherencyCut this card
Medical debt burdens about 100 million people
Levey, N. (2022). 100 Million People in America Are Saddled With Health Care Debt. KFF Health News with NPR, June 16, 2022. kffhealthnews.org
The investigation and poll find about four in ten adults with medical debt, six in ten insured working-age adults having gone into debt for care, and the burden concentrated in the South and among Black and Hispanic adults.
affSupports: Advantage 2Cut this card
Cost-sharing, not only lack of insurance, drives debt
KFF (2022). KFF Health Care Debt Survey. kff.org
44 percent of insured working-age adults report health care debt. The affirmative uses it to argue that only the elimination of cost-sharing solves; the negative uses it for the out-of-pocket-cap counterplan.
affSupports: Advantage 2Cut this card
Coverage reduces mortality
Miller, S., Johnson, N., and Wherry, L. (2021). Medicaid and Mortality: New Evidence from Linked Survey and Administrative Data. Quarterly Journal of Economics, 136(3). DOI
Links survey and administrative records to estimate mortality reductions from Medicaid expansion among low-income adults; cut the estimate from the paper.
affSupports: Advantage 1 impactCut this card
Experimental evidence that coverage saves lives
Goldin, J., Lurie, I., and McCubbin, J. (2021). Health Insurance and Mortality: Experimental Evidence from Taxpayer Outreach. Quarterly Journal of Economics, 136(1). DOI
A randomized outreach experiment that increased coverage and reduced mortality among the newly insured; one of the cleanest causal estimates available and cited by CBO.
affSupports: Advantage 1 impactCut this card
Systematic review: most single-payer analyses project net savings
Cai, C., et al. (2020). Projected costs of single-payer healthcare financing in the United States: A systematic review of economic analyses. PLOS Medicine, 17(1), e1003013. PLOS Medicine
Reviews 22 economic analyses; most project net savings in the first year and all in the long run, with simplified payment administration the largest source (administrative savings 1.2 to 16.4 percent, median 8.8 percent) and U.S. billing overhead 12 to 15 percentage points above Canada's.
affSupports: Solvency and spending answersCut this card
Updated projection: about one trillion dollars a year in savings and lives saved
Galvani, A., et al. (2026). Projected economic gains and lives saved under universal healthcare in the United States. medRxiv preprint, July 2026. medRxiv
Models the transition to single-payer for 2024 and estimates a reduction in national health expenditure of about $1.04 trillion annually plus reduced mortality. A preprint, not yet peer reviewed; say so when you read it.
affSupports: Solvency and spending answersCut this card
CBO: single-payer systems can reach near-universal coverage
Congressional Budget Office (2022). Economic Effects of Five Illustrative Single-Payer Health Care Systems. Working Paper 2022-02. cbo.gov PDF
Models five designs; coverage is nearly universal under each, and effects on mortality, productivity, and spending depend on payment rates and financing. The affirmative reads the coverage and productivity findings.
affSupports: SolvencyCut this card
Design choices for a single-payer system
Congressional Budget Office (2019). Key Design Components and Considerations for Establishing a Single-Payer Health Care System. cbo.gov
The menu of design choices (eligibility, benefits, cost-sharing, payment rates, financing) the plan text should track so that solvency evidence applies.
affSupports: Plan and solvencyCut this card
Federal spending rises by trillions and must be financed
Congressional Budget Office (2022). Economic Effects of Five Illustrative Single-Payer Health Care Systems. Working Paper 2022-02. cbo.gov PDF
The same report models large increases in federal outlays financed by taxes or borrowing, with labor-market and output effects that depend on the financing choice; the negative reads the financing and economic-effects sections.
negSupports: Spending disadvantageCut this card
The 2016 Sanders plan analysis: $32 trillion in federal spending
Holahan, J., et al. (2016). The Sanders Single-Payer Health Care Plan. Urban Institute (summarized by Physicians for a National Health Program). PNHP summary
The Urban Institute's microsimulation projected federal expenditures rising by $32 trillion over 2017-2026 with proposed revenues far short. The PNHP page summarizes it and links the critiques; cut from the Urban Institute report itself.
negSupports: Spending disadvantageCut this card
Supply constraints: coverage expansions run into provider capacity
Physicians for a National Health Program (2016). The Urban Institute's Single Payer Cost Estimate: False Assumptions, False Conclusions. pnhp.org
An advocacy critique of the Urban Institute model; useful to the negative for its acknowledgment that society-wide coverage expansions face supply constraints, and to the affirmative for its administrative-savings argument. Label it as advocacy.
negSupports: Provider supply disadvantageCut this card
Payment rates determine the supply of care
Congressional Budget Office (2022), section on payment rates and provider response. cbo.gov PDF
CBO's discussion of how lower payment rates can reduce the supply of care and lengthen waits, which the negative uses for the provider-supply disadvantage.
negSupports: Provider supply disadvantageCut this card
A public option expands coverage at lower federal cost
Congressional Budget Office (2021). A Public Option for Health Insurance in the Nongroup Marketplaces: Key Design Considerations and Implications. cbo.gov
Analyzes public-option designs, their effects on enrollment, federal spending, and private markets. The counterplan's solvency evidence.
negSupports: Public option counterplanCut this card
Global comparison: other systems achieve universal coverage without single-payer
Commonwealth Fund (May 2026). U.S. Health Care from a Global Perspective 2026, Expanded Edition. commonwealthfund.org
Compares the U.S. with other high-income nations, many of which reach universal coverage through regulated multi-payer systems; the negative uses it for the counterplan and to answer the claim that single-payer is the only route.
negSupports: CounterplanCut this card
Cost-sharing is the debt mechanism; an out-of-pocket cap targets it
KFF (2022). KFF Health Care Debt Survey. kff.org
The finding that 44 percent of insured adults carry health care debt supports a counterplan that caps out-of-pocket costs without replacing the insurance system.
negSupports: CounterplanCut this card
Estimates of single-payer cost vary widely with assumptions
Cai, C., et al. (2020), PLOS Medicine, discussion section. PLOS Medicine
The review documents that findings range from large net savings to net costs depending on assumptions about administrative savings, drug prices, and utilization, which the negative uses to argue that solvency is uncertain.
negSupports: Solvency answersCut this card
Health Care in the United States: data on spending and coverage
Centers for Medicare and Medicaid Services. National Health Expenditure Accounts. cms.gov
The official spending data both sides use for baselines; the negative cuts the total national spending figures for the scale of the transition.
negSupports: UniquenessCut this card
Federal budget outlook and interest costs
Congressional Budget Office. The Long-Term Budget Outlook (current edition). cbo.gov
CBO's projections of deficits, debt, and interest costs, the uniqueness evidence for the spending disadvantage.
negSupports: Spending disadvantage uniquenessCut this card
Medical debt is already being addressed through credit-reporting and state action
KFF Health News, Diagnosis: Debt project page (2022-2026). kffhealthnews.org
Tracks federal and state actions on medical debt, including credit-reporting changes and state protections, which the negative uses for non-unique and alternative-causality arguments on advantage two.
negSupports: Advantage 2 answersCut this card
Congressional Research Service reports on health financing
Congressional Research Service. Reports on health insurance, Medicare, and Medicaid. crsreports.congress.gov
Nonpartisan reports for Congress; search 'single-payer' and 'Medicare for All' for cost, design, and transition analyses both sides can cite.
negSupports: GeneralCut this card