And FWIW, US Medicare spending alone is shaping up to grow to almost
  as much as some EU nations on a % of GDP basis

https://www.bea.gov/news/2023/gross-domestic-product-fourth-...

https://crsreports.congress.gov/product/pdf/IF/IF10830

The U.S. Bureau of Economic Analysis puts the 2022 GDP at $25.46 trillion ($25,460 billion). Congress puts 2022 spending on private health insurance at $1,290 billion (5%) and Medicare at $944 billion (3.7% of GDP).