Here are the best low energy dogs. If you go for a walk at least once a week then a Bulldog may be perfect for you this dog loves naps. You could also try a Mutt (a mixture of 2+ dogs breeds) depending on what kind of mutt you get they can be pretty laid back.
These dogs are mid-energy dogs who can last a couple walks a week. If you walk at least two times a week you may want to try a Bull Terrier, Poodle, Newfoundland, or a Mutt. Mutts can be any level of energy depending