Yes, it has been widely discussed by economists in the last few years.
https://www.npr.org/2024/10/04/nx-s1-5140039/labor-market-jo...
> Friday's report shows 150,000 people joined or re-joined the workforce last month. Much of this growth is driven by immigration. The foreign-born workforce has grown rapidly over the last year, adding 1.4 million workers, while the native-born workforce shrank by nearly 600,000 workers.