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How health systems work around the world

How health systems work around the world: the same questions, six country snapshots, and how performance is measured — no best system named.

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How health systems work around the world
Illustration: Public Health (original)

Key points

  • Every country answers the same questions differently: who pays, who delivers care and who is covered.
  • Funding and delivery are separate questions: publicly funded care can be privately delivered, and vice versa.
  • The OECD compares systems on life expectancy, avoidable mortality, access, spending and resources — not on a single score.
  • No country is named the best here. Comparison shows structures and trade-offs, not a winner.

Direct answer: Health systems around the world answer the same questions differently: who pays, who delivers care, and who is covered. The United Kingdom funds care from taxes and delivers it mostly through the NHS; Germany funds it through sickness funds and delivers it privately; Canada has one public insurer per province paying private providers; Japan mixes social insurance with patient co-payments; the United States mixes everything and covers no one universally. This article walks through six countries, and explains how performance is measured.

The same questions everywhere

Strip away the local names and every health system is an answer to three questions. Who pays — taxes, payroll contributions, premiums, or patients directly? Who delivers — government services, non-profit funds, or private providers? And who is covered — everyone, or only those who qualify or can pay? The four models guide explains the classic answers; this article shows how six real countries combine them.

Six country snapshots

United Kingdom (England). A national health service: public coverage for all, funded from general taxation, with GPs as the first point of contact. Care is free at the point of use. Health is devolved, so Scotland, Wales and Northern Ireland organise their services separately. Life expectancy 81.0 years in 2023; spending 11.1% of GDP in 2024 (OECD).

Canada. Single-payer national health insurance through provincial and territorial plans: one public insurer in each province pays private doctors and hospitals. Medically necessary hospital and physician services are free at the point of use. Life expectancy 81.7 years; spending 11.3% of GDP.

Germany. Regulated non-profit sickness funds, financed by payroll contributions from workers and employers, paying private providers. Covered services come with small co-payments. Life expectancy 81.1 years; spending 12.3% of GDP.

France. Statutory health insurance through sickness funds, financed by payroll contributions, with mostly private delivery. Patients pay co-payments, usually topped up by complementary insurance. Life expectancy 83.0 years; spending 11.5% of GDP.

Japan. Mandatory public insurance for all legal residents: Employees’ Health Insurance for salaried workers and National Health Insurance for everyone else. Patients pay 10 to 30 percent of costs — most working adults pay 30 percent — with a monthly cap on out-of-pocket spending. The health ministry sets the benefits package and the national fee schedule. Life expectancy 84.1 years; spending 10.6% of GDP.

United States. A mix with no universal system: employer-sponsored private insurance, public programmes (Medicare for older adults and people with disabilities, Medicaid for people with low incomes), and out-of-pocket payments. Public programmes cover about 36% of the population and private insurance about 66%, with overlap between them; a significant share of the population is uninsured or underinsured. Life expectancy 78.4 years; spending 17.2% of GDP — the most in the OECD, for the lowest life expectancy of the six.

All six life-expectancy and spending figures are from OECD Health at a Glance 2025, checked 7 November 2026. The comparison tool on this site puts the same six rows in a sortable table.

Funding is not delivery

The snapshots show the split clearly. Canada’s funding is public and its delivery is mostly private. The United Kingdom’s funding and delivery are both mostly public. Germany’s funding runs through non-profit funds and its delivery is private. The United States’ funding is mixed and its delivery is mostly private. Any sentence that calls a system “public” or “private” without saying which half it means is hiding the interesting part.

How performance is measured

The OECD’s Health at a Glance compares systems across five dimensions rather than a single score: health status (life expectancy, avoidable mortality, chronic disease, self-rated health), non-medical determinants (smoking, alcohol, obesity, air pollution), access (coverage, financial protection, unmet need), quality (safe and effective primary and hospital care), and capacity and resources (spending, doctors, nurses, beds). Country dashboards show each indicator against the OECD average, and whether it has improved or worsened over time.

That breadth is deliberate. A system can spend heavily and still record high avoidable mortality — deaths from causes that could have been prevented or treated — as the United States does at 312 per 100,000 people, against an OECD average of 222. Or it can spend modestly and record low avoidable mortality, as Japan does at 135. A single number cannot carry that comparison; a dashboard can.

What comparison cannot say

Comparison cannot name a best system, and this article does not try. The countries differ in income, inequality, diet, smoking, geography and history, so a gap in life expectancy is not a verdict on a health system alone. What comparison can do is show the structures and their trade-offs: the Beveridge model spreads cost through taxes and keeps care free at the point of use; the Bismarck model keeps providers private and funds them through contributions; the single-payer model keeps one public purse and private delivery; the mixed model leaves the most people exposed. Readers can weigh those trade-offs for themselves.

Frequently asked questions

Do all rich countries cover everyone?

No. Most do, but the United States does not have universal coverage: a significant share of the population is uninsured or underinsured, according to the Commonwealth Fund.

Why compare systems at all?

Because the same problem — paying for care without bankrupting people — has several working answers, and each answer has trade-offs worth seeing side by side.

Is more spending the same as better care?

No. The United States spends 17.2% of GDP on health, the most in the OECD, and records 78.4 years of life expectancy — the lowest of the six countries compared here.