We should stop saying Medicare for all and

[bronxiteforever]

5. Agree. How is it funded?

( hospital fund)

Payroll taxes paid by most employees, employers, and people who are self-employed
Other sources, like income taxes paid on Social Security benefits, interest earned on the trust fund investments, and Medicare Part A premiums from people who aren't eligible for premium-free.

Supplemental Medical Insurance
How is it funded?

Funds authorized by Congress
Premiums from people enrolled in Medicare Part B (Medical Insurance) and Medicare prescription drug coverage (Part D)
Other sources, like interest earned on the trust fund investments
What does it pay for?

Part B benefits
Part D
Medicare Program administration, like costs for paying benefits and for combating fraud and abuse

https://www.medicare.gov/about-us/how-medicare-is-funded/medicare-funding.html