Canada and the United States not only have the world's longest shared border, they enjoy the world's largest bi-lateral trading agreement. The following figures demonstrate the extent of this special relationship.

8,891   —   Kilometres the Canada-U.S. border stretches across land and water

2,477    —   Kilometres of border shared with Alaska alone

119    —   Number of border crossings

$501 billion CDN    —   Total Canada-U.S. trade (2010)

More than $1 billion CDN    —   Amount of daily Canada-U.S. trade (2010)

73 per cent    —   Share of total exports from Canada going to the U.S. alone (2009)

63 per cent    —   Share of total imports to Canada coming from U.S. alone (2009)

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Vehicles cross the Ambassador Bridge, the busiest Canada-U.S. border crossing, June 1, 2009. The bridge handles traffic between Windsor, Ont. and Detroit. (Dave Chidley/Canadian Press)

Almost $500 million US    —  The amount of trade that passes daily along the Ambassador Bridge between Windsor, Ont. and Detroit, the busiest border crossing in North America

28,814    —   Number of trucks that cross the border daily (2010)

140,728    —  Number of cars and other vehicles that cross the border daily (2010)

Roughly 300,000    —   Number of people that cross the Canada-U.S. border per day

39,254,000     —  Trips by Canadians to the U.S. in 2009

20,213,500    —  Trips by Americans to Canada in 2010

Over 15,700,000    —  Number of people who flew on scheduled air services between Canada and the U.S. in 2010

57 per cent   —  Share of Canadian trips to the U.S. that were same-day car trips (September 2011)

17,977,000   —  Number of overnight trips by Canadians to the U.S. (2009)

11,667,000   —  Overnight trips by Americans to Canada (2009)

21,277,000    —  Same-day trips by Canadians to the U.S. (2009)

8,858,000   —   Same-day trips by Americans to Canada (2009)

New York   —   The state that received the most visits by Canadians, as well as the state with the highest number of visitors to Canada (2009)

Florida    —   The state where Canadians spent the most number of nights: 47,448,000 (2009)

$12,667,000,000    —   Amount Canadian travellers spent in the U.S. (2009)

$6,087,000,000    —   Amount American travellers spent in Canada (2009)

$72   —   Average spending per person per same-day trip by Canadian visitors to the U.S., 2009

$705   —   Average spending per person per overnight trip by Canadian visitors to the U.S., 2009

$522   —   Average spending per person per overnight trip by U.S. visitors to Canada, 2009

8   —   Average length in nights of a trip to the U.S. by a Canadian visitor staying at least one night

4   —   Average length in nights of a trip to Canada by an American visitor staying at least one night

Sources include Statistics Canada, Canada-U.S. Transportation Border Working Group, U.S. State Dept.