https://usafacts.org/answers/what-percent-of-jobs-in-the-us-...
Immigrants are defined as foreign-born residents, including those who became US citizens
That said, it almost certainly has an outsized impact on the tech sector, which only accounts for about 7% of the FTE positions nationally.
What percentage are they of the top (preferable) quintile of jobs? Are they just 0.5% of those, or are they more like 4% of those? Is it higher still?
https://www.pewresearch.org/short-reads/2025/03/04/what-we-k...
https://www.epi.org/blog/tech-and-outsourcing-companies-cont...
https://www.uscis.gov/sites/default/files/document/reports/U...
https://www.uscis.gov/tools/reports-and-studies/h-1b-employe...
(if you email Pew Research, I've found their research team to be receptive to inquiries when they have the data but did not include it in a publication)
That's more than I thought!