Microsoft company Research Date: 6.19.2013
we get about xbox 360 sales item is 59.4 million.
But Recently get information from wikipedia,
It has 79.4 million over sales now.
Canada 870,000 as of August 1, 2008
United States 25.4 million as of March 31, 2011
Europe and Africa 13.7 million as of March 31, 2011[2]
United Kingdom 8 million as of February 14, 2013
Japan 1.5 million as of June 17, 2011
Australia & New Zealand 1 million as of April 19, 2010
So that,
Worldwide 79.4 million sales Report as of September 30, 2013
See more details here: Wikipedia
General knowledge 