The english language is the most important one in terms of communication, as it is known, at least on a basic level, by almost a third of the world's population (1.9 billion people). It is the international language in trade, business, communication, aviation, entertainment, informatics, diplomaticy and on the internet. It is also the first language for around 400 million people in Great Britain, the US, Canada, the Irish Republic, Australia and new Zealand, and is used as a second language in many more countries. It's the most spoken language in the world, and knowing English is a must in many business fields.
