Chihuahua is the smallest dog breed in the world. It weighs under 1 kg on average. This is the oldest breed on the American continent and the smallest breed in the world. Native to Mexico, where it received it’s name from the Mexican State of Chihuahua.

Chihuahua Smallest Dog
Pictures of other smallest dog breed in the world are shown below. Smallest dog in the world picture.

Pekingese Dog Picture

Cairn Terrier Dog

Cocker Spaniel