Guides
The wage figures on this site are easy to misread in a few specific ways. These pages cover the ones that change the answer.
Prevailing wage levels I to IV, explained
What the four Department of Labor wage levels mean, how employers pick one, and why the level explains more of the pay gap between two filings than the job title does.
LCA vs PERM: two different filings, two different wages
An LCA supports a temporary work visa; PERM is a step toward permanent residence. They are filed at different points in a career and their wages are not directly comparable.
How to read the wage percentiles on this site
Why the median is the headline number, what the 25th and 75th percentiles tell you that an average cannot, and how to spot a figure built on too few filings to trust.
What this data does not say
The limits of DOL disclosure data: filed wages are not payroll, certification is not hiring, and base salary excludes the bonus and equity that dominate total compensation at some employers.