Larger dogs age faster in the beginning but have shorter overall life spans compared to toy breeds.
At 1 year old, most dogs equal the maturity of a 14-15 year old teen in developmental stage.
1 Year Old
By age 2, dogs have the equivalent maturity and physical ability of a human 24 year old.
2 Years Old
At 4 years old, dogs are the equivalent of being in their mid-30s - still energetic and youthful.
4 Years Old
By 7 years most dogs enter middle adulthood like humans in their late 40s to early 50s.
7 Years Old
At 10 years old dogs are approaching senior status, similar to humans entering their mid-60s.
10 Years Old
Dogs over 13 are considered geriatric. It equates to humans being over 70 years old.
13+ Years Old