How many states border Canada and how Mexico?

The United States shares borders with Canada and Mexico. The United States shares borders with 2 states of Mexico, which are Baja California and Sonora, and borders 13 states of Canada, which are Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Northwest Territories, Nova Scotia, Ontario, Prince Edward Island, Quebec, Saskatchewan, Yukon Territory, and Nunavut.