Southern Nova Scotia or the South Shore is a region of Nova Scotia, Canada. The area has no formal identity and is variously defined by geographic, county and other political boundaries. Statistics Canada, defines Southern Nova Scotia as an economic region, composed of Lunenburg County, Queens County, Shelburne County, Yarmouth County, and Digby County. According to Statistics Canada, the region had the highest decrease of population in Canada from 2009 to 2010, with a population decrease of 10.2 residents per thousand. The region also has the second-highest median age in Canada at 47.1 years old.