Under current law, we recently projected that the percent of the population without medical insurance will more than double over the next 40 years, growing from around 10 percent today to over 27 percent by 2060. Under Sanders’ Medicare for All, the uninsured rate would essentially fall to zero by design.

We project that the Sanders’ Medicare for All would improve population health by 2060, reduce the share of the population that is seriously ill from 15 percent to 13 percent, increase life expectancy by 2 years, grow the population 3 percent, and increase worker productivity.

Taken literally, Sanders’ plan lacks a financing mechanism, which by long-standing CBO and PWBM convention implies deficit financing. Under deficit financing, we project that the Medicare for All Act would reduce GDP by 24 percent by 2060, despite large efficiency gains from lower overhead and reimbursement costs.

As a presidential candidate, Senator Sanders, however, has stated his intent to also increase taxes, although he has not specified the actual tax changes tied to Medicare for All. Accordingly, we also analyze two alternative financing mechanisms that mostly finance benefits received by workers. With premium financing, where most workers pay the same insurance premium (subsidized for lower-income workers)—similar to private insurance with no risk adjustments—we project that GDP increases slightly by 0.2 percent by 2060. With payroll tax financing, where workers with higher wages pay more, GDP falls by 15 percent.

We also provide various robustness checks to key model assumptions and plan design. For example, without the expansion of plan benefits to include long-term care or dental, but still including the elimination of most deductibles while covering all workers, GDP increases by 12 percent under premium financing. These results indicate that Medicare for All could be designed in a way that boosts economic growth.

We analyze a stylized mandatory single payer system (“Medicare for All” or “M4A”) system that provides the same benefits currently available under Medicare to the working-age population. This brief lays the foundation for future analysis of plans that expand Medicare benefits and coverage while also seeking additional cost savings.

We project that under current law, the percent of the population without medical insurance will more than double over the next 40 years, growing from around 10 percent today to over 27 percent by 2060.

We project that a shift to a mandatory single-payer system (Medicare for All) increases life expectancy by almost 2 years, grows the population size by 3 percent, and increases worker productivity through improved health, before macroeconomic feedback effects.

The choice of funding mechanism, however, is critical for macroeconomic performance. We project that financing M4A with a premium that is independent of a worker’s labor income would increase GDP by about 16 percent by 2060 through a combination of cost savings and productivity increases. In contrast, financing M4A with a new payroll tax that is proportional to a worker’s labor income would reduce GDP by roughly 3 percent, whereas deficit financing would reduce GDP by almost 15 percent by 2060.