Weblearn a language with duolingo. Duolingo is the world's most popular way to learn a language. Languages of the world is a comprehensive reference work that provides information and statistics for all of the world’s known living languages. Webin this guide, we’ll take a look at the easiest languages and hardest languages to learn, the factors that determine language difficulty, and a complete. Chinese — 1. 3 billion native speakers. Numbers vary widely — ethnologue puts the number of native speakers at 1. 3 billion native speakers, roughly.
