Uncommon may not be the right term, because agencies do comprise a significant portion of the world’s workforce, but it’s still a minority compared to regular employees. There may be more independent contractors than agents.
| Domain stability | Job stability | Freedom | Variety | |
|---|---|---|---|---|
| Employee | ✔️ | ✔️ | ||
| Contractor | ✔️ | ✔️ | ||
| Agent | ✔️ | ✔️ |
An agency is an compromise between standard employment and independent contracting.