try the Occupational Outlook Handbook (Department of Labor website no links)
the Library should also have one, it gives details for 1000’s of professions. for example:
Accountants and Auditors
2010 Median Pay $61,690 per year
$29.66 per hour
Number of Jobs, 2010 1,216,900
Job Outlook, 2010-20 16% (About as fast as average)
Employment Change, 2010-20 190,700
What Accountants and Auditors Do
Accountants and auditors prepare and examine financial records. They ensure that financial records are accurate and that taxes are paid properly and on time. Accountants and auditors assess financial operations and work to help ensure that organizations run efficiently.
Work Environment
Most accountants and auditors work full time. In 2010, one in five worked more than 40 hours per week. Longer hours are typical at certain times of the year, such as at the end of the budget year or during tax season.
How to Become an Accountant or Auditor
Pay
The median annual wage of accountants and auditors was $61,690 in May 2010.
Job Outlook
Employment of accountants and auditors is expected to grow 16 percent from 2010 to 2020, about as fast as the average for all occupations. Demand for thorough financial documentation is expected to increase in response to recent financial crises and subsequent financial regulations.