https://projects.propublica.org/nonprofits/organizations/943...
Wikimedia Foundation (2019): 291 employees, $56M salary costs.
https://projects.propublica.org/nonprofits/organizations/200...
Less than twice the US employees, more than five times the salary costs. (Both orgs also have some non-US employees included in the salary costs total, but they are a small minority of the staff.)