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Dog Lifespans by State
Where are dogs living longest?
Researching canine lifespan

It is hard to decide which of the many wonderful qualities of dogs is the best one, but it’s easy for me to say what is the worst thing about dogs: They don’t live long enough. We all wish dogs lived longer and most of us are hungry for information about which factors may give us more time with our dogs. It’s possible that where our dogs live is one such factor.

A state-by-state analysis of dog lifespan shows Montana and South Dakota at the top with dogs living an average of 12.4 years. Other states with long-lived dogs include Oregon, Colorado and Florida where the dogs are typically living over 11 years. In contrast, Mississippi and Alabama have an average lifespan of just over 10 years.

These data come from Banfield Pet Hospital and only include those states in which they have facilities, which means that Wyoming, North Dakota, Maine, Vermont and West Virginia are not included. It also means that the data may only reflect the specific dogs seen in their practices rather than fully representing each state’s dogs.

However, there are a number of reasons that lifespans may vary from state to state. These include nutrition, exercise opportunities, rates of spaying and neutering and the types of disease prevalent in the area. The breeds and sizes of dogs that are most popular in those states may matter, too.

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Karen B. London, PhD, is a Certified Applied Animal Behaviorist and Certified Professional Dog Trainer whose clinical work over the last 17 years has focused on the evaluation and treatment of serious behavioral problems in dogs, especially aggression. Karen has been writing the behavior column for The Bark since 2012 and wrote The Bark’s training column and various other articles for eight years before that. She is an adjunct professor in the Department of Biological Sciences at Northern Arizona University, and teaches a tropical field biology course in Costa Rica. Karen writes an animal column, The London Zoo, which appear in The Arizona Daily Sun and is the author of five books on canine training and behavior. She is working on her next book, which she expects to be published in 2017.

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