Duolingo User Distribution

Duolingo is a free language-learning and crowdsourced text translation platform. It was started in Pittsburgh by Luis von Ahn, a professor at Carnegie Mellon University and his graduate student Severin Hacker. As of January 2014 Duolingo has 25 million users across the globe. DUOLINGO USER DISTRIBUTION 29% 30% 25% 11% SRC: DUOLINGO AND WIKIPEDIA