There were 116,067,300 employees in the service industry sector, as of 2012, according to the Bureau of Labor Statistics. This number reflects an increase of approximately 7.5 million employees since 2002. The Bureau projects continuing growth in the following decade to just over 130 million service employees by 2022.
The service industry includes a diverse group of subcategories. Retail, health care, financial, transportation, government and leisure services, among others, fall into this sector. The health care and social assistance category added the most jobs in the decade from 2002 to 2012, and the BLS anticipates continued growth in the industry through 2022. The second- and third-highest growth areas within the service sector are professional and business services and leisure and hospitality.