Factor in cost of employee as well.

The cost of employee is around an additional 22% of Salary in France but around an additional 140% in the US [1] (401k, SSA, Health Insurance, etc), which brings the total spend much higher in the US.

[0] - https://www.internago.com/how-much-does-it-cost-to-employ-pe...

[1] - https://www.sba.gov/blog/how-much-does-employee-cost-you