Only a small fraction of dogs live that long, but the reasons behind it are fascinating.

Sixteen years is a milestone for any dog, and making it past that mark is even rarer. While some breeds seem to breeze into their golden years, others never make it close. Genetics, lifestyle, and even location play a role in who reaches that senior club. Here’s how often dogs live that long and the reasons some manage to stick around well beyond their sweet sixteen.



