The world's 5 most influential languages

Are you studying one of the world's most influential languages?

The following quote from this video seemed particularly noteworthy:

> Every language is the most important language in the world - to its speakers.
(George Weber)

Read on to find out which languages are named the most influential:

3 criteria of influential languages

The video lists the following criteria as the most influential:

Demographics

How many people speak this language? Where do they all live?

Ease of Learning

How long can it take...