Number employed in 2006: 50,000
Percent change in 2016: -11.1 percent
Education/training: Most receive on-the-job training, with employers looking for at least a high school diploma, as well as strong customer service skills.
2006 median salary: $20,950
Job outlook: Decline is due to pharmacy technicians taking on many of the responsibilities of pharmacy aides, such as answering phones, stocking shelves, and administrative tasks.
More info on pharmacy aides
(Sean Gardner/Getty Images for The Boston Globe)