Salary Comparison Webtools

Glassdoor.com, which allows employees to share salaries and review employers. (You must register to see details.)

Salary.com, which offers a wide range of employment info, including an analysis of salaries for various positions.

Payscale.com supplies free or premium salary reports. It also offers a variety of tools (like a cost-of-living calculator) and other resources.

SalaryScout.com, SalaryScout includes an interesting world map of salaries not just for the U.S.).

The Occupational Outlook Handbook, published by the U.S. Bureau of Labor Statistics. This free resource can tell you the training and education needed for various careers, typical earnings and job prospects, what workers do on the job, and more.