You're not factoring in the fact that the NHS is a demand-led service, with demand rising 3-4% every year, mainly due to the rising population and the fact that we're all living longer. 18% of the current population of 66.7 million is now over 65, that's the highest ever, so the NHS has an ever-increasing burden. And the % of GDP spent on the NHS increased every single year from until 2012, when it began to drop for the first time.
Per capita allows for population increases though doesn't it!! GDP is not effective at all to weigh up that argument because GDP does not bare much relation to population.
Demand rising 3-4% each year does not mean a higher percentage of GDP needs spending each year unless GDP is not keeping up with population increases and in that scenario where GDP is growing at a slower pace than the population then you have to start asking (as stated above) about the problem of this country becoming an economy of unproductive consumer jobs rather than productive jobs. How has there been such an increase in unproductive labour when Blair tripled university places?
You are intermingling things that do not relate to each other. As the population grows then spending per capita should stay the same and thus an actual increase in money but that does not have any relation to some made up figure of "we must spend x% of GDP" because no-one knows what GDP will be nor do they know how many people will create that GDP. I know you will say forecasts will show but then forecasts aren't very accurate these days. You can safely say though that if we spend £4k today per capita then if we have 300k immigrants this year we need to add at least 300k x £4k to our spending.
Still doesn't answer whether other countries are receiving better healthcare or is it just costing more for the same or worse? These sort of league tables are not good for making this kind of comparison especially when we have such a different system that is "supposed" to be better value than private healthcare.
You say it started dropping in 2012 percentage wise yet per capita it increased from just over $3k in 2012 to just over $4k per capita in 2015. So almost a 30% increase in 3 years despite you saying the % of GDP went down!!! That shows you how much the GDP part is not really the one to look at because it suggests spending has gone down when quite obviously it can't have gone down if 30% per capita spending has been added in 3 years.
All you can say is it still is not enough but then we've heard that from the NHS since the year (I) was born and probably before that as well.
I don;t mind the NHS getting more money but there has to be a point where all these "need more money" cases are looked into. They can't say "need more money" forever and keep getting it.
The whole of our state needs sorting out because there are hands in the pot all over and money is not being spent on the things it is supposed to be spent on.