#6 BEAGLE
Beagles are a breed that has been around more or less for about 2,500 years, though the breed as its known today originated in Great Britain around the mid-1800s.
Beagles typically have long lifespans of between 12 and 15 years and make great detection dogs due to their superior scent tracking. Its popularity no doubt stems from its good temper, small size, and relative lack of serious health issues.