2nd Languages of the world
The website http://www.businessinsider.com/ has published a very interesting world map of 2nd languages. There are probably some mistakes (for example saying that Tagalog is the 2nd language in Gulf arab countries) in the map but this does not really reduce its added value. See this link for more:
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The Second Languages Of Every Part Of The World In One Incredible Infographic
The website MoveHub.com is a resource for people looking to move abroad. It has released this eye-opening infographic that shows the second language of every region across the globe. Some are rather
http://www.businessinsider.com/the-second-languages-in-every-part-of-the-world-infographic-2014-10