what is the life expectancy of a border collie?
Caring For The Senior Collie. On average, Collies typically live 10 to 13 years, but many go well beyond the age of 13 and I have heard of a few Collies reaching 15 and beyond. Generally it is thought that the smaller the dog, the longer lived and the bigger the dog, the shorter lived. Just like with people, old age is relative.