If you're considering switching careers or are just starting to think about where to start yours, this is the list for you: The US Bureau of Labor Statistics projections of the 30 fastest-growing careers.

The report estimates that 20.5 million new jobs will be added by 2020, a 14.3 percent growth from 2010. However, some jobs will grow at a much faster rate during that period.

— Compiled from the Bureau of Labor Statistics' Occupational Outlook Handbook and Career Guide to Industries