[medlyyy]

>global capitalism is the major force for extreme poverty in this century.

The complete opposite. Where do you think globalised capitalism gets cheap labour from? Hint: it's not developed countries. Then to get them to work for them, they have to pay them something, and people aren't going to accept the jobs if it's not enough to live on.

The empirical data also bears this out, as the other reply notes.

Now, whether capitalism is a force for increasing wealth gap and relative poverty in developed countries is a different question; but the "poverty" in that case is certainly much less "extreme."