Test yourself on world geography

The test, developed by Ghent University, presents you with outlines of two countries.  Your task is to click the (+) and (-) until the bottom entity is the same proportional size to the upper one as they are in real life.

It's a bit challenging, in part because so many of our mental maps distort high-latitude regions.  My results were so-so:

Apparently the set of maps offered varies, so you may get the same pairs I did.  But feel free to post your results in the Comments.  The test is here.

Via Neatorama.