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At the request of the White House Council of Advisers, LinkedIn calculated which job titles are growing and decreasing in popularity on LinkedIn. So what? LinkedIn has 150 million members worldwide, and 60 million in America. It should provide a decent picture of our labor force. Statistics show percent change from 2007-11. Source: The Economist

Sales associates decrease drastically
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Since 2007, there has been about a 35 percent decrease in the use of "sales associates" as a job title on LinkedIn.

Human resource managers are fewer, as are project managers
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Project manager and human resource manager as a job title decreased by about 10 percent since 2007.

Business Analyst, Controller, Vice President all stay about the same.
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These three job titles stayed mostly consistent on LinkedIn.

Consultants and "partners" increase
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Those claiming to be "partners" have increased about 15 percent since 2007.

LinkedIn consultants have grown by about ten percent.

Increase in principals
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Interestingly, the amount of job titles selected as "principal" have increased by over 30 percent since 2007.

Adjunct Professors explode in number
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According to LinkedIn, adjunct professors have increased in number by nearly 40 percent since 2007.