- Medicaid--62 million
- Medicare--49.5 million
- Tricare (Dept. of Defense)--10 million
- Veterans Administration--8.9 million
- Federal Employees Health Benefit Program--8.2 million
- Children's Health Insurance Program--8.1 million
- Affordable Care Act (mostly subsidized)--8 million+
First, as the battle rages over national health insurance and the single payer model we should be mindful that we are already essentially halfway there, although in a very balkanized fashion.
Second, Obamacare, the source of so much discord, is a relative drop in the bucket, accounting for just 5% of the federal healthcare footprint.