Question: About what percentage of the UK GDP is spent on healthcare?
About the article "United Kingdom", section "Healthcare".

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The healthcare proposals would require the National Assembly to approve a law that allocated sufficient financial resources to provide universal health insurance, and an annual increase of 0.5% in the share of GDP spent on healthcare until 2012 (or to a figure of at least 4% of GDP). 
As percentage of GDP.
The Centers for Medicare and Medicaid reported in 2013 that U.S. healthcare costs were 17.9% GDP in 2011, similar to 2010 and 2009 but up from 13.8% GDP in 2000.
According to the World Health Organization (WHO), total health care spending in the U.S. was 15.2% of its GDP in 2008, the highest in the world.
The Health and Human Services Department expects that the health share of GDP will continue its historical upward trend, reaching 19.5% of GDP by 2017.
Of each dollar spent on health care in the United States, 31% goes to hospital care, 21% goes to physician/clinical services, 10% to pharmaceuticals, 4% to dental, 6% to nursing homes and 3% to home health care, 3% for other retail products, 3% for government public health activities, 7% to administrative costs, 7% to investment, and 6% to other professional services (physical therapists, optometrists, etc.
The Congressional Budget Office reported in 2008 that "about half of all growth in health care spending in the past several decades was associated with changes in medical care made possible by advances in technology."
Other factors included higher income levels, changes in insurance coverage, and rising prices.
Hospitals and physician spending take the largest share of the health care dollar, while prescription drugs take about 10%.
The use of prescription drugs is increasing among adults who have drug coverage.
In 2009, the average private room in a nursing home cost $219 daily.
Assisted living costs averaged $3,131 monthly.
Home health aides averaged $21 per hour.
Adult day care services averaged $67 daily. 
Healthcare in the United Kingdom is a devolved matter and each country has its own system of private and publicly funded health care, together with alternative, holistic and complementary treatments.
Public healthcare is provided to all UK permanent residents and is mostly free at the point of need, being paid for from general taxation.
The World Health Organization, in 2000, ranked the provision of healthcare in the United Kingdom as fifteenth best in Europe and eighteenth in the world.
Regulatory bodies are organised on a UK-wide basis such as the General Medical Council, the Nursing and Midwifery Council and non-governmental-based, such as the Royal Colleges.
However, political and operational responsibility for healthcare lies with four national executives; healthcare in England is the responsibility of the UK Government; healthcare in Northern Ireland is the responsibility of the Northern Ireland Executive; healthcare in Scotland is the responsibility of the Scottish Government; and healthcare in Wales is the responsibility of the Welsh Assembly Government.
Each National Health Service has different policies and priorities, resulting in contrasts.
Since 1979 expenditure on healthcare has been increased significantly to bring it closer to the European Union average.
The UK spends around 8.4 per cent of its gross domestic product on healthcare, which is 0.5 percentage points below the Organisation for Economic Co-operation and Development average and about one percentage point below the average of the European Union.
In South Africa, parallel private and public systems exist.
The public system serves the vast majority of the population, but is chronically underfunded and understaffed.
The wealthiest 20% of the population uses the private system and are far better served.
In 2005, South Africa spent 8.7% of GDP on health care, or US$437 per capita.
Of that, approximately 42% was government expenditure.
About 79% of doctors work in the private sector.
See Pareto principle. 
Healthcare overview.
China spent $97 billion, or 5.6% of its GDP, on healthcare in 2004.
As previously stated, public spending on healthcare remains low; public spending in 2004 accounted for only 17% of total healthcare expenditure while out-of-pocket expenses reached 53.6%.