- 9.65 centimetre(s)
- Puerto Rico (Dorado)
The smallest dog living, in terms of height, is a female Chihuahua called Milly, who measured 9.65 cm (3.8 in) tall on 21 February 2013 and is owned by Vanesa Semler of Dorado, Puerto Rico. Milly's full pedigree name Miracle Milly. She was born on 1 December 2011.