LinkedIn's astonishing growth: By the numbers
The professional-networking site now has 100 million users. That includes 997,000 teachers — and no fewer than 74 Elvis impersonators
LinkedIn may not be in the same league as Facebook and Twitter, but it's catching up. The professional-networking site recently passed the milestone of 100 million users and is growing exponentially. According to the site's creators, a million people are signing up to LinkedIn every week. The site connects members in the same industry, allowing them to network with each other online, and hosts company pages listing employees from firms such as Apple, Cisco, eBay, and Amazon. Here, a look at the numbers behind LinkedIn's growth:
100 millionNumber of LinkedIn users
98,425The height, in feet, of a hypothetical stack of business cards representing all 100 million LinkedIn members
44 millionNumber of LinkedIn users in the U.S.
200Number of countries with LinkedIn users
428 percentGrowth over the last year in LinkedIn users from Brazil
178 percent Growth over the last year in LinkedIn users from Mexico
1 millionNumber of users joining LinkedIn every week
20 percentShare of LinkedIn users who are in the service industry
9 percentShare of LinkedIn users in the high-tech sector. Members in the finance sector represent the same share.
500Number of Fortune 500 companies with executives on LinkedIn
997,000Number of teachers with LinkedIn accounts
1,030Number of chocolatiers with LinkedIn accounts
74 Number of Elvis tribute artists with LinkedIn accounts
46 Number of LinkedIn users who list "beatboxer" as their profession
4Number of LinkedIn users who list "dog or cat psychologist" as their profession
1Number of LinkedIn users who list "martini whisperer" as their profession
8 yearsAmount of time LinkedIn has been in operation. The company launched in May 2003.
$243 millionLinkedIn's total revenue in 2010. It makes money from recruitment and marketing services and premium subscriptions.
$15.4 millionLinkedIn's net income in 2010
$175 millionEstimated value of LinkedIn, as submitted in its January 2011 filing with the SEC
600 millionNumber of Facebook users
$2 billionFacebook's approximate total revenue in 2010
$500 million Facebook's approximate net income in 2010
200 millionNumber of Twitter users who have joined since its launch in 2007
3.2 millionNumber of users joining Twitter every week (460,000 every day)