China has ~1.3 billion people, but “most of people in the world” don’t live in China. That would mean over 50% of the world’s population. Maybe the sentence is just worded poorly, or it was written by someone whose first language isn’t English.
Great Britain isn’t the driest place, but the situation with rain is pretty exaggerated. Though in some areas, the climate is really humid, in London, the rainfall amount per year is less than in Moscow.
China has ~1.3 billion people, but “most of people in the world” don’t live in China. That would mean over 50% of the world’s population. Maybe the sentence is just worded poorly, or it was written by someone whose first language isn’t English.