There's data e.g. https://www.healthsystemtracker.org/brief/what-drives-health-spending-in-the-u-s-compared-to-other-countries/ https://www.healthsystemtracker.

There's data e.g. https://www.healthsystemtracker.org/brief/what-drives-health-spending-in-the-u-s-compared-to-other-countries/ https://www.healthsystemtracker.org/brief/what-drives-health... Insurance companies are a miniscule problem compared to provider costs.