Even though English is not the most widely spoken language in the world it is the international language for business, commerce, aviation, science, medicine, and many other key areas. English is the dominant language of the world.
Today there are more non-native English speakers than there are native English speakers. Non-native English speakers use English as a practical and working tool. So why should you learn or improve your English level?
Having English language skills increases your opportunities to work for an International company in your own country or abroad. A lot of English-speaking companies set up businesses in other countries and being able to speak English is a main requirement for the job. If you can speak English it will give you an advantage over other equally qualified candidates who don't speak English. It demonstrates that you are working towards self-improvement and gives you the edge as it's a valued asset in any employee. If you can read, write and speak in English you may be presented with more opportunities for promotion and travel to English-speaking countries to meet with clients and colleagues.
The takeaway is that English gives you access to music, films, literature, and much more. Therefore, by understanding English, you are unlocking the door to a whole world of new information, knowledge, and opportunities.