Most Powerful Languages by Power Language Index

This List shows the World's Most Powerful Languages, according to the World Power Language Index 2016.

Source: https://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&uact=8&ved=0ahUKEwiDx7POrofRAhUVSI8KHS0HAqEQFggkMAI&url=http%3A%2F%2Fwww.kailchan.ca%2Fwp-content%2Fuploads%2F2016%2F06%2FKC_Power-Language-Index_May-2016.pdf&usg=AFQjCNGqOv3z3BnFPb, Created on 12/22/2016

The Top Ten

1 English

What does the word powerful exactly mean here?

2 Mandarin

3 French

4 Spanish

Agreed, even English speakers are learning how to speak it.

5 Arabic

6 Russian

7 German

8 Japanese

9 Portuguese

10 Hindi