The 25 Most Popular Dog Breeds In The United States

#19 CAVALIER KING CHARLES SPANIEL

As its fancy name would suggest, the Cavalier King Charles Spaniel dog breed originated in the United Kingdom and is classified as a toy breed. They’re known to be affectionate and friendly and great with children—obvious reasons for their popularity.

Cavalier King Charles Spaniels typically don’t reach 20 pounds or a height above 13 inches and have an average life expectancy of up to 14 years. Though they’re just at #19 on this list, the popularity of this breed continues to rise.