When it comes to dogs, some breeds are smarter than others. Their high intelligence, loyalty and how easy they are to train is what makes them so lovable and these are the reasons that determine how they are ranked. Just one thing to note, their being easy to train does not necessarily mean they are not stubborn sometimes. However, here are fifteen smartest dog breeds for seniors.A lot of people love to adopt this breed especially in the United States and the UK. It’s not so hard to understand why. They are very cute and love to play. They are also undoubtedly very loyal to their owners. Labrador retrievers enjoy learning new tricks and are so full of energy. They are usually high spirited companions and good-natured. A lot of people prefer them because they are intelligent, eager to please their owners and they are happier when being trained. This kind of dog will not be so hard to house train and will always behave admirably. They are very gentle towards other animals and are also patient with them. An interesting fact is that they can also teach themselves just by looking at what their owners do on a regular basis and copying what they see so yes, they are very sharp.