That's 15 million people looking for something -- anything -- to earn a few extra bucks.
In March 2010, the number of people working part time for economic reasons (also referred to as involuntary part-time workers) increased to 9.1 million. According to the BLS, these people were working part time because their hours were cut back or because they were unable to find a full-time job.
If you're looking for a way to boost your income, if you're either unemployed or looking to pad your full-time salary, here are 10 part-time jobs experiencing job growth in the next 10 years:
1. Animal caretaker
Job growth: 21 percent
Number available jobs: 45,500
Annual salary: $19,360
2. Bartender
Job growth: 8 percent
Number available jobs: 40,800
Annual salary: $20,970
3. Customer Service Representatives
Job growth: 18 percent*
Number available jobs: 399,500
Annual salary: $29,860**
4. Dental assistant
Job growth: 36 percent
Number available jobs: 105,600
Annual salary: $32,380
5. Hotel, motel, and resort desk clerks
Job growth: 14 percent
Number available jobs: 31,500
Annual salary: $19,480
6. Library assistant
Job growth: 11 percent
Number available jobs: 13,500
Annual salary: $24,790
7. Museum technicians and conservators
Job growth: 26 percent
Number available jobs: 2,800
Annual salary: $36,660
8. Pharmacy technicians and aides
Job growth: 25 percent
Number available jobs: 96,300
Annual salary: $27,710 and $20,100
9. Recreation workers
Job growth: 15 percent
Number available jobs: 48,200
Annual salary: $21,960
10. Security guards
Job growth: 14 percent
Number available jobs: 152,500
Annual salary: $23,460