06/27/2014 12:39 EDT | Updated 08/27/2014 05:59 EDT

Notable numbers: 56 Canadian-born celebs have stars on Hollywood Walk of Fame

On July 1, Canada marks birthday number 147. Here are 10 other numbers and their association with Canadian facts.

4 - the number of Canadian provinces on the day of Confederation

9 - Canadians who have travelled to space

12 - Academy Awards given to National Film Board productions

17 - UNESCO world heritage sites (with 7 more listed as tentative)

34 - Years "O Canada" has been the official national anthem (July 1, 1980)

56 - Canadian-born celebrities with stars on the Hollywood Walk of Fame

308 - Seats currently in the House of Commons

338 - Seats in the House of Commons after next year's federal election

8,892 - Length (in kilometres) of the border between Canada and the United States (the world's longest international boundary)

35,427,524 - Canada's population as of April 2014

(Sources include: Canadian Space Agency; National Film Board website; UNESCO; Walkoffame.com; Statistics Canada; The Canadian Press)