[Mefis]

>and eight men control half the world’s wealth.

This is wrong. Eight men control as much wealth as the bottom 50% of the world's population.

https://www.theguardian.com/global-development/2017/jan/16/w...

[binarymax]

The grammar is ambiguous. "half the world" == "the poorest 50% of the population". "half the world's wealth" == "the wealth of the poorest 50% of the population"