Insider Monkey – Hannah Rae Villarba 
What are the most profitable foreign languages to learn for job seekers? In a world that’s increasingly becoming smaller, thanks to rapid advances in communications technology, the only thing that bars communication is language barrier. Not even the most advanced translation apps can work more efficiently than a multilingual employee – and that’s a leverage that’s hard to beat. If you’re one of the many people joining the ridiculously competitive job market soon, learning the right foreign language has the power to open better opportunities at work. The question is which foreign language is well worth the time and effort to learn? For this list, we have ranked the languages according to how widely are used and how economically important they are. (more)