English is the common language used for communication in most countries of the World. In most anglophone countries in Africa like Benin Republic and Niger. English is now used in trading because of most way for effective communication.
English is used in communication where there are multicultural people of different religions and backgrounds to pass on information because it is assumes that 80% of the world population speaks english example of such country is Nigeria.
English is used in international job market in trade to enhance negotiation without delay resulting from language barriers especially in stock markets.
English is used for tourism to experience better travel among tourist and tour guide. Even to communicate better with the citizens. Example is, in China their official language is Mandarin but english language is use to communicate among travellers.
In summary, english is the most common language used in communication in most countries of the world. It breaks the barrier of communication in our world today which is multicultural with people of diverse beliefs, religions and backgrounds. It is the language use in international job trades involving buying and selling. Example buying of players from English Premier League to Russian Football League. Tourist visiting countries like Mali communicate with english language if they're not from a francophone country.
It is more better you learn english if you have not; start today.