Originally Posted by
Grym
Widely spoken, not most spoken by people.
Chinese technically is the most spoken language in the world, but it doesn't help their case by majority of it all stuck in China. You cannot get around the world easily in Chinese as you are in English, English is BY FAR, the most accessible language in the world. By the way, I DO know Chinese.
Spanish I also agreed, it is probably the most useful European language to learn other than English, but again, if you are travelling around the world, knowing only Spanish or knowing only English, knowing English would get around a lot easier.