[1] https://i1.wp.com/investingdoc.com/wp-content/uploads/2017/0...

Meanwhile: the dominant component of US health spending is in fact inpatient and outpatient procedures --- services delivered by physicians and trained health care specialists --- and those people do in fact make significantly more money in the US than they do in the UK, Europe in general, or Australia.

Your chart doesn't show anything useful to the point you're trying to make. It shows a massive percentage increase in the admin side as expected, without showing the base it started from, and it does not show any percentage or specific figure break-out on related costs by each group.

You need to show each group and what is being spent on them. Ideally also show the cost increase related to physician and nurse total compensation over the last eg 10, 20, 30 years so we can see how much cost inflation there is related to that segment of US healthcare over the prime years of healthcare cost inflation.

See https://www.quora.com/Who-or-what-controls-the-number-of-med... for more information.

So are developers.

Also, there aren't artificial barriers to more developers really... just an aggressive demand outstripping supply.