Cats are common pets throughout the world, and their worldwide population exceeds 500 million.
Cats are the second most popular pet in the U.S. by number of pets owned, behind freshwater fish. Although cat ownership has commonly been associated with women, research has shown that men and women in the U.S. are equally likely to own a cat.
They are ranked as the third most popular pet in the U.K. by number of pets owned, after fish and dogs, with 8 million being owned.
What can be concluded from the text above?