(Bloomberg) -- It's a job market revolution: an estimated 10.3 million Americans earned income through web-based platforms like Uber and Airbnb between 2012 and 2015. That’s more people than reside in the entire state of Georgia and amounts to 6.5% of the total U.S. workforce.

So-called gig jobs, in which a person performs a task for another individual often through web-based platforms, are often easier to land, and help generate additional income when regular earnings aren't sufficient, according to a new study by the JPMorgan Chase Institute.

Participants in this economy are typically younger, with the 25 to 34 age group accounting for the largest part of the gig workforce. They are more likely to be male, live in the West and have an average median income of about $2,800 per month, according to the study.

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