The BBC today ends a story about changes in Chinese efforts to decrease obesity with this useless statement:
One-fifth of the world’s overweight and obese people live in China and the numbers are rising dramatically.
Why useless? That doesn’t tell us anything about whether China has higher obesity prevalence than anywhere else. And indeed, it seems they do not, given that China’s population is almost exactly one-fifth of the world’s:
This is to say nothing of the “look how different they are” tone of the article as a whole.