Single-payer health care Australia spends 9% of GDP vs 17% in USA

Australia. … Medicare is the publicly funded universal health care venture inAustralia. It was instituted in 1984 and coexists with a private health system. Medicare is funded partly by a 2% income tax levy (with exceptions for low-income earners), but mostly out of general revenue.

https://en.wikipedia.org/wiki/Single-payer_healthcare