Worldwide there are over 101 millions users for LinkedIn. Of those 47.2% are from North America and 23 are based in Europe. Of the 101 million users, 44 million are from US and 4 million are Canadians. 59% of the LinkedIn users are male and the rest female.
81% of the consumers trust the information coming from social network LinkedIn whereas only 28% trust Twitter. Another fact is 69 companies out of the top 100 in Fortune 500 Company use LinkedIn.
Also, 80% users of Linkedin influence business decisions at their company. So having a LinkedIn account does pay off.