dogs And the Worldwide Winner Goes To… Our tried and true best friend, the dog! Pet dogs don’t beat out cats, fish, or birds in sheer numbers, but more households have at least one dog in them than any other pet, making dogs the most popular pet in the world. Feb 14, 2017

Dogs 1. Dogs. Dogs come in at number one, with48.3 million households owning dogs in the United States, making these four-legged friends one of the most popular pets around. Feb 16, 2022

There are many pets that people love and cherish. The more common ones are dogs, cats, birds, fish, hamsters, guinea pigs, and rabbits. May 8, 2021