The Fédération Cynologique Internationale (FCI), aka World Canine Organization, is the world governing body of dog breeds. According to the FCI, there are a total of 332 definitive breeds, and an additional 11 provisional breeds. The American Kennel Club (AKC) currently recognizes only 187. Breeds are divided into 10 groups based on several criteria, including appearance and use, ie, herding, sporting, working dogs, etc.
According to the American Kennel Club (AKC), as of 2014 these were the top 10 most popular breeds in America.
(Listed in order of popularity)