The Postdoctoral Scholars Unit (PX) is a systemwide bargaining unit comprised of postdoctoral scholars and postgraduate researchers who work in support of faculty and lecturers. The unit, which includes a total of about 6,593* postdoctoral and postgraduate scholars, is represented by the United Auto Workers (UAW) Local 5810.
An approximate breakdown of the number of postdoctoral scholars and postgraduate researchers at each location is as follows:
| Location | Headcount |
|---|---|
| Berkeley | 1,037 |
| Davis | 778 |
| Irvine | 406 |
| LBNL | 521 |
| Los Angeles | 849 |
| Merced | 59 |
| Riverside | 226 |
| San Diego | 1,128 |
| San Francisco | 1,136 |
| Santa Barbara | 307 |
| Santa Cruz | 146 |
| Total | 6,593 |
*FTP Data, April 2021