Britain National health spending per capita: $2,724
As a percentage of GDP: 8.3%
1,434 adults surveyed
Only minor changes needed to the health-care system: 26%
System needs to be rebuilt completely: 15%
Experienced medical mistake in last two years: 24%
Very confident of getting high-quality care: 28%
Not at all confident: 27%
Paid more than $1,000 out-of-pocket for medical care in past year: 4%
Britain’s National Health Service is the most centrally managed health-care system in the world — it's often called socialized medicine. Hospitals are government-run and doctors work for the government, although 11% of the population also carry private insurance that lets them opt out of the NHS.