13. Pit Bull Terrier
Let's face it. Pit Bulls have gotten a bad rap. And there are lots of good people trying to change that. But that still doesn't make them the best choice for a retiree. Like other terriers, Pitties are active dogs that require plenty of exercise, proper training, socialization, and strong leadership. And if you might relocate eventually to any kind of senior living facility, chances are, right or wrong, they won't let you bring your Pittie.