When it comes to choosing a pet dog, many people not only want them to be of the right size (small or huge depending on the space they have), personality and temperament, and care needs but also how long their furry friend is likely to live. While no dog lives forever, some pet dog breeds are known to have impressive lifespans, living upto 15 years or more depending on how well they are taken care of. These long-living dogs can offer many happy years of companionship, cuddles, and unforgettable memories to their humans. If you too are looking for the perfect pet dog, then here we list some of the longest living breeds you can choose from: