You may recall that LinkedIn passed 85 million users just 6 months ago (October 2010). 15 million users is an impressive number when you consider that the company took six years to pass the 50 million point.
Among some of the company’s most interesting infographic stats; 56% of LinkedIn’s users live outside the United States with Brazil among the company’s quickest growing markets, while there are more than 1 million teachers using LinkedIn.
Other info includes private vs. public sector numbers, peak usage times, the number of members in groups and the most represented company’s on the site which includes Amazon and Cisco among others.
Here’s the LinkedIn Infographic: