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Why can healthcare spending rise without better outcomes? Because spending records the money used to pay for care, while outcomes measure what happened to people’s health. Higher spending alone cannot show whether care improved, worsened, or stayed the same; answering that requires outcome data alongside a careful comparison of what the money bought.
What rising healthcare spending does—and does not—tell you
This article focuses on the United States. The Centers for Medicare & Medicaid Services (CMS) tracks national health expenditures by funding source, type of service, and sponsor. Those accounts describe financial inputs and services purchased; they do not, by themselves, establish changes in health outcomes or show that spending caused them.
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Spending can increase because care costs more, people receive more services, treatment becomes more intensive, the population grows or ages, or coverage and payer mix shift. Several of these forces can operate at once. A spending increase is therefore not a direct measure of either better care or waste.
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Prices and the cost of providing care
CMS’s projection methodology models medical price inflation primarily in relation to input-price inflation—the costs of supplying care—with a lag as providers set private-payer prices to reflect recent changes in those costs. This is a modeled relationship used for projections, not a claim that every provider’s prices change in the same way.
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More services and more intensive care
Spending also rises when people use more services or receive more complex, resource-intensive treatment. CMS uses real per-capita private personal health-care spending as a measure of quantity that reflects both utilization and intensity. In its methodology, intensity captures average treatment complexity as well as the severity of underlying illness. More intensive care may reflect greater need, a change in treatment, or both; expenditure totals alone cannot distinguish those explanations.
Population, demographics, and coverage
Total spending can rise as the population grows, even if spending per person does not. The age and health profile of the population matter too, as do changes in coverage and the mix of private insurance and public programs. CMS accounts for demographic composition and coverage shifts in its modeling. To compare spending meaningfully, distinguish total expenditures from per-person spending and account for who is covered.
What current U.S. projections say
CMS’s June 24, 2026 National Health Expenditure projections estimate average annual growth of 5.4% for national health expenditures and 4.1% for GDP over 2025–2034. CMS projects the health-spending share of GDP to rise from 18.0% in 2024 to 20.6% in 2034. The 2025–2034 growth rates and 2034 share are projections, not observed results or measures of health outcomes. CMS National Health Expenditure Fact Sheet
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1Scan for outdated or missing drivers - takes under a minute2Repair Windows errors before they cause bigger problems3Fix the driver behind crashes, sound loss and screen glitchesProjected average annual spending growth also differs by service category over 2025–2034:
| Service category | Projected average annual spending growth, 2025–2034 |
|---|---|
| Retail prescription drugs | 5.7% |
| Physician and clinical services | 5.5% |
| Hospital care | 5.2% |
These are CMS Office of the Actuary projections released in 2026. Different growth rates across categories say where expenditures are expected to grow faster; they do not indicate whether patients’ health will improve in those categories. CMS National Health Expenditure Data
For 2025–2026, CMS identifies continued high utilization growth across most services and retail prescription-drug spending as major drivers. That helps explain projected expenditure growth, but utilization is not an outcome measure: its health significance depends on who receives care, why, and with what results. CMS Office of the Actuary presentation
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Why the year and service category matter
Historical figures illustrate why a single national spending trend should not be treated as a uniform story. CMS reported that U.S. retail prescription-drug spending grew 8.4% in 2022, alongside a 1.2% increase in retail drug prices; more prescriptions dispensed also contributed to faster growth. Hospital spending grew 2.2% that year, with slower hospital prices and declines in hospital days and discharges contributing to its lower growth. These are category-specific observations for 2022, not current trend estimates, and they do not establish what happened to health outcomes. CMS, National Health Expenditures 2022 Highlights
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A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11Historical spending trends can also be associated with policy changes, legislation, recessions, prices, and public and private initiatives. CMS’s research index includes literature on technology’s contribution to spending growth, but that index does not support a blanket conclusion that technology always raises costs or always improves outcomes. CMS historical NHE resources
What evidence is needed to judge outcomes
To assess whether higher spending produced better outcomes, a comparison must pair expenditure data with a defined measure of health and a clearly specified population, geography, and time period. It should also separate price changes from service volume and intensity, total from per-person spending, payer and coverage shifts, and differences among service categories. Without those distinctions, changes in spending and outcomes may coincide without showing why.
The CMS expenditure sources cited here do not provide an outcome-specific comparison or a causal estimate linking higher spending to health results. They therefore cannot establish that U.S. outcomes improved, worsened, or stayed unchanged as spending rose. The conclusion supported by these sources is narrower: spending projections describe expected financial growth and its modeled drivers, not the health results that will follow.
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