As of Jan. 1, California and Washington joined New York City and Colorado in legally requiring employers to post salary ranges on their job ads.

The U.S. in particular is worried that a new Covid variant could emerge in China as the virus spreads widely and rapidly.

Salary transparency laws are requiring companies to list salary ranges on job applications. It’s also forcing them to pay existing employees fairly.

Pay transparency laws are sweeping through states including California, Colorado, Connecticut, Maryland and Washington. Here is how job listings will change.