[toomuchtodo]

Downvote? For quickly summarizing a wikipedia link? I guess we all have time to waste skimming wikipedia articles, don't we?

[schiffern]

The problem is that it's wrong.

A better summary would be, "The world is getting richer, hence lower infant mortality, hence birth rates drop."

[toomuchtodo]

The world is graying extremely quickly (Japan, Western Europe, the US, and soon China).