25 Most Popular Dog Breeds in the World

3. German Shepherd

German Shepherds are at number 3 in our list of the 25 most popular dog breeds in the world. They are medium to large-sized working dogs known to be playful and active. They can become excellent family protectors with proper training. German Shepherds can weigh anywhere between 50 to 90 pounds with a height from 22 to 26 inches. The health concern level in German shepherds is usually high, making them prone to different kinds of infections and diseases. The average lifespan ranges from 7-10 years.