The oldest dog that ever lived was able to live 29.5 years. His name was Bluey and his breed was called the Australian Cattle Dog.
In general, there are many studies that focus on the lifespan of dogs. For example, the Dog Aging Project does something similar. It turns out that the average life expectancy of dogs in the US is a little over 15 years. Moreover, small breeds live a little longer than large breeds, and mixed breeds live a little longer than purebred breeds.
But there are exceptions. This is a French Mastiff. The dog is quite small, but such dogs often have heart and breathing problems. The average life expectancy of this breed is 5-6 years.
There is a common misconception that one year of a dog’s life is equal to seven human years. In reality, dogs do not age at the same rate as humans. So, in the first year of life, a dog matures in as many years as humans mature in the first 15 years.
Scientists from the University of California at San Diego have proposed an equation to more accurately convert a dog’s age to human years. You need to multiply the natural logarithm of the dog’s age in human years by 16 and then add 31.
Source: Ferra
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