The one thing almost everyone in the world has in common? The use of toilet paper. And what do you know: the amount of toilet paper use can reveal the state of the world.

Market research firm Euromonitor International's map of trends shows just how much of that stuff we use to clean our butts with is being consumed around the world.

Diaper sales are booming in countries with high-population growth; toilet paper dominates in developed countries; and incontinence products are of most use in Japan and Western Europe as they face an aging population. [Euromonitor via Wonkblog]