Dogs age approximately seven times faster than humans, although epigenetic clocks suggest the rate is not strictly linear.

“we all are familiar with the idea of one human year is about seven dog years right that's just another way of saying dogs age about seven times faster than people do um that's and we can talk about that it's interesting if you actually look at the epigenetic clock it's not a linear seven time rate but but they but i think it's close enough right it's close enough”