1. Personal care aides
Projected increase in 2020: 70.5 percent
Number employed in 2010: 861,000
Median pay in 2010: $19,640
Education/training: Some states only require on-the-job training; other states may require formal training that can be completed at community colleges, vocational schools, home health care agencies, and elder care programs.
Job outlook: Rapid job growth is expected because of the projected rise in the number of elderly people, who are increasingly relying on home care.