world-globes-718756Well now you know the answer to that question. Check out this map, which does exactly that:

http://www.washingtonpost.com/blogs/worldviews/wp/2015/02/02/map-if-the-size-of-countries-reflected-their-populations/?tid=sm_tw

You were expecting India and China to be big, right? But maybe Nigeria and Brazil caught you off guard. (Thanks to Tim for finding this gem.)