British Columbia (Canada) is 2.9 times larger than Vietnam.
Area: 331,210 km2 World Factbook
Population: 93,421,835 (July 2014) World Factbook
Vietnam, officially the Socialist Republic of Vietnam, is the easternmost country on the Indochina Peninsula in Southeast Asia. With an estimated 90.0 million inhabitants as of 2013, it is the world's 13th-most-populous country, and the eighth-most-populous Asian country. Wikipedia
British Columbia, also commonly referred to by its initials BC, is a province located on the west coast of Canada. British Columbia is also a component of the Pacific Northwest, along with the U.S. states of Oregon and Washington. Wikipedia