The US currently spends 17.9% of its total GDP on health services
This figure is projected to rise in the near future by about another 1% due to the populations aging and a further 3% due to the growing incidence of chronic illnesses. Anticipated increases would raise the nations healthcare costs to an unsustainable 22% of GDP, crowding out spending for other goods and services.
By contrast, the Netherlands spends 12% of its GDP on healthcare; Switzerland, Germany, France, and Canada about 11%; New Zealand 10%; Sweden 9.4%; and the United Kingdom 9.3%. As we travel through these countries, there is frequently a clear, if anecdotal, perception that people are healthier than in the US.
And the data backs up that perception. The US spends more money on healthcare because we are in fact far less healthy on average than the rest of the developed world. This difference is in large part due to poor lifestyle choices, but the good news is there are programs that have clearly and conclusively demonstrated that this difference is reversible. Changing behavior, while it will be difficult, can result in significant cost savings. In fact, changing behavior may allow us to spend more on education, social programs, and even defense. http://www.mauldineconomics.com/editorial/thoughts-from-the-frontline-the-road-to-a-new-medical-order
A target would be around 10 %.
This is a link to the complete article http://www.investorsinsight.com/blogs/thoughts_from_the_frontline/archive/2013/10/07/the-road-to-a-new-medical-order.aspx