We’ll introduce you to the 20 world’s smallest dog breeds and highlight the smallest dog on record. According to the Guinness World Records, the smallest dog in the world is a Chihuahua from ...

A lot of small dogs ... can take on the entire world: barking at creatures 50 times its size, and refusing to back down no matter what. The Chihuahua, a Mexican breed of toy dog, is no exception.

But what about the petite pups of the world? Here's what to know about the smallest individual dog in the world. Start the day smarter. Get all the news you need in your inbox each morning.