While details about Trump's plans remain unclear, we do know a lot about the role immigrants have been playing on the frontlines during the pandemic.

Foreign-born workers make up about 17% of the US civilian labor force. But they're an even bigger part of the workforce in many jobs that are key to fighting the virus and keeping the country afloat, according to a recent analysis by the Migration Policy Institute . Immigrants are also likely to be disproportionately impacted by layoffs, the institute said.

Here's a look at some key statistics about immigrant workers in the United States from that analysis and why these numbers matter right now:

6.3 million immigrants hold jobs that are key to fighting coronavirus