World's 5 smallest dogs breed. 1. Chihuahua ( 0.9-2.7 kg ) 2. Pomeranian ( 1.9-3.5 kg ) 3. Yorkshire Terrier ( up to 3.2 kg ) 4. Toy Poodle ( 6-7 kg ) 5. Papillon ( 3.6-4.5 kg ) Follow @guffstack for more content on gk (General Knowledge). #follow #guffstack #guffstackgk #dogs