The University of California Press currently publishes in the following general subject areas: anthropology, art, ancient world/classical studies, California and the West, cinema & media studies, criminology, environmental studies, food and wine, history, music, politics, psychology, public health and medicine, religion, and sociology.
It is a non-profit publishing arm of the University of California. 25% of its authors are affiliated with the University of California. It publishes on average 175 new books and 30 multi-issue journals in the humanities, social sciences, and natural sciences. It maintains approximately 4,000 book titles in print. It is also the publisher of Collabra and Luminos open access (OA) initiatives.
Collabra is University of California Press's open access journal program. The Collabra program currently publishes two open access journals, Collabra: Psychology and Elementa: Science of the Anthropocene, with plans for continued expansion and journal acquisition.