The number of different career fields can vary widely depending on how broadly or narrowly they are defined. However, commonly recognized categories include:
- Business and Finance
- Health and Medicine
- Education
- Technology and IT
- Arts and Entertainment
- Engineering and Manufacturing
- Science and Research
- Public Service and Government
- Law and Public Policy
- Skilled Trades
- Hospitality and Tourism
- Marketing and Communications
- Non-profit and Social Services
- Agriculture and Environmental Science
- Transportation and Logistics
Given this broad classification, the most accurate answer from the options you provided would be "15." However, if the count is based on a narrower set of categories, it could be fewer. But in the context of general career fields, 15 seems to be a fair representation.