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EPSY 100: Information, Skills, & Career Pathways: Web Resources on Professions
This site from the Bureau of Labor Statistics has a nice list of occupations organized according to subject or activity interest. Each activity/subject lists professions that can be examined in greater depth in the Occupational Outlook Handbook online. This is a good place to start if you have no idea on what kinds of careers are out in the working world.
The CareerOneStop website is sponsored by the U. S. Department of Labor and contains excellent information on career choices including mapping military occupational specialties to civilian jobs, identifying the fastest occupational fields and declining occupational fields.
The Occupational Outlook Handbook (online version) provides in-depth information on hundreds of career choices. Instructions on how to use this site are located in the "Ways to use the Occupational Handbook" section on the homepage.
The Bureau of Labor Statistics is where you go to find information on topics such as the number of people employed in a career field or the average wages for a career field. The homepage also has links to other relevant sites such as the Occupational Outlook Quarterly and Occupational Employee Statistics.