Language

First language

• http://www.levif.be/actualite/sciences/une-infographie-fascinante-sur-la-repartition-des-langues-parlees-a-travers-le-monde/article-normal-399953.html Number of speakers

Second languages in Europe

• http://i100.independent.co.uk/article/these-are-europes-most-useful-second-and-third-languages--bJ5uU51jZl

General

• https://www.washingtonpost.com/blogs/worldviews/wp/2015/04/23/the-worlds-languages-in-7-maps-and-charts/?tid=sm_fb The world’s languages, in 7 maps and charts

Language learning

• http://www.viewfromthetown.com/