When travel to different countries, English is often the most common “bridge” language. Meaning that you could meet with people from five different countries at the same time and it is likely the only common language between all five people is English. English is able to connect people from many different countries and cultures more so than other languages. English is also a common language in tourism worldwide. If you want to take a tour of different historical places or go to a hotel in the Caribbean; English is usually what the majority of the staff or workers know how to speak besides their local or native language. - See more at: http://english-tonight.com/why-do-people-learn-english-9-most-common-reasons/#sthash.aNXUfIJ3.dpuf