The most common language in the world is Mandarin Chinese

chinese

Here’s a listing of the ten most popular languages spoken worldwide, along with the approximate number of primary or first language speakers for that language.

LanguageNative
1.Mandarin Chinese882 million
2.Spanish325 million
3.English312-380 million
4.Arabic206-422 million
5.Hindi181 million
6.Portuguese178 million
7.Bengali173 million
8.Russian146 million
9.Japanese128 million
10.German96 million