Around 200 million people all around the world speak French. This figure is also inclusive of individuals speaking French as their mother tongue, as their second foreign language and students of all ages who do not live in a Francophone country, yet who have learnt French.
In fact, French as foreign language stands for the second most frequently learnt language in the world, after English. Knowing it may also be useful in the entire world. When speaking of the list of 10 most influential foreign languages in the world, French comes on second, after English. The proof is rendered by the central part it holds.
It is one of the official business languages in tens of powerful international organizations, such as the European Union (EU), United Nations Organizations (UNO), World Health Organization (WHO), World Trade Organization (WTO), and so many other world institutions of the kind.