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  •LinkedIn started out in the living room of co-founder Reid Hoffman in 2002.
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  •The site officially launched on May 5, 2003. At the end of the first month in operation, LinkedIn had a total of 4,500 members in the network.
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  •1m+ members in Belgium as of September 22, 2011
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  •3m+ members in France as of November 29, 2011
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  •3m+ members in the Netherlands as of December 6, 2011
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  •5m+ members in Canada as of January 19, 2012
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  25m+ members in Asia and the Pacific as of January 29, 2012
4m+ members in Southeast Asia as of January 29, 2012 - 
  
  •1m+ members in Turkey as of February 10, 2012
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  •44m+ members in the EMEA region (Europe, Middle East and Africa) as of February 17, 2012
•34m+ members in Europe as of February 17, 2012 - 
  
  •1m+ members in Indonesia as of February 21, 2012
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  LinkedIn Employees in Mountain View celebrated the 150 Million Member milestone
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  •3m+ members in Australia as of March 12, 2012
•1m+ members in the Philippines as of March 12, 2012 - 
  
  •3m+ members in Spain as of March 27, 2012
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  •9m+ members in the UK as of April 2, 2012
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  9 years ago today, LinkedIn was founded on the belief that relationships matter. We are now 161 million members strong, thanks to YOU. Happy Linko de Mayo!
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  •As of the school year ending May 2012, there are over 20 million students and recent college graduates on LinkedIn. They are LinkedIn's fastest-growing demographic.
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  •1m+ members in Sweden as of June 20, 2012
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  •As of June 30, 2012 (the end of the second quarter), professionals are signing up to join LinkedIn at a rate of approximately two new members per second.
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  •16m+ members in India as of August 1, 2012
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  •As of August 2, 2012, LinkedIn operates the world’s largest professional network on the Internet with more than 175 million members in over 200 countries and territories.
•Sixty-two percent of LinkedIn members are located outside of the United States, as of August 2, 2012.
•9m+ members in Brazil as of August 2, 2012