06/29/2015 10:42 EDT | Updated 06/29/2016 05:59 EDT

Notable numbers: 57 Canadian-born celebs have stars on Hollywood Walk of Fame

On July 1, Canada marks its 148th birthday. Here are 10 other numbers that illustrate some notable 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)

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

57 - 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 this year's federal election

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

35,749,600 - Canada's population as of April 2015

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

Note to readers: This is a corrected item. A previous version had an incorrect number in the headline