Little work has been done to assess potential separation-related problems in cats. Using canine questionnaire studies as a model, researchers investigated the topic with cat owners. The results suggest that pet cats are social and develop bonds with their owners and about 13 percent of cats may have signs of separation-related problems.
Source: Vet Candy, November 27, 2021. Link.
Also see: Cats get separation anxiety, too, AHD, August 4, 2020. Link.