Despite the common perception that monarchy is a thing of the past, and all remaining kings and assorted other nobility mere figureheads, there's a fairly large number of states still governed through monarchy, and in a surprising number of them, the monarch's power is still legally or effectively very close to absolute.

Here's a short list of countries which either have no written constitution, do not provide for a legislature in their constitutions, or where the ruler retains enough power over the legislature that he's far from a figurehead:

There's also a somewhat larger number of true constitutional monarchies, such as:

Taken altogether, that's a fairly substantial portion of the world's population, land area, and resources.

/msg me with additions or corrections to these lists.