What is the number of people who speak German as a second language around whole world?

The number of people who speak German as a second language around the whole world is estimated to be around 120 million. This makes German one of the most spoken languages in the world, after English, Mandarin Chinese, Spanish, and Arabic. German is widely spoken in Europe, as well as in parts of Africa, Asia, and the Americas. It is also one of the most studied foreign languages in the world.