My guess is English, but the question is tricky. Non-native speakers does NOT mean every single speaker of English born outside of the UK, North America and Australia. There are many different Englishes, including the English spoken as a first or dual language by natives of India, the Philippines and other places. English is on the move, and there is no stopping her.
Mandarin Chinese is the language with the greatest number of native speakers in the world.
Mandarin Chinese is the language spoken by the greatest number of non-English speakers. It is the most widely spoken language in the world, with over a billion speakers.
Most widely/Most spoken language- English (spoken virtually everywhere on Earth, number of speakers range from 1.5-2 billion speakers) Most number of Native (1st language) speakers- Mandarin (spoken generally in China, number of native speakers are about 800 million)
Mandarin Chinese is the most spoken language in the world by number of native speakers, with over a billion people speaking it.
Mandarin Chinese is spoken by the largest number of native speakers in the world.
Mandarin Chinese is the language with the greatest number of native speakers in the world.
Mandarin Chinese is the language spoken by the greatest number of non-English speakers. It is the most widely spoken language in the world, with over a billion speakers.
The greatest language that will predominate in the United States by 2050 will be Hispanic(Latin Language).
Chinese, English, Spanish and Hindi.
Mandarin has the greatest number of speakers. English is the most widely spoken language.
I think is China and they speak Chinese More precisely Mandarin.
Shona
Most widely/Most spoken language- English (spoken virtually everywhere on Earth, number of speakers range from 1.5-2 billion speakers) Most number of Native (1st language) speakers- Mandarin (spoken generally in China, number of native speakers are about 800 million)
English
English.
Telugu
English