Worldmapper was a link on another Blog I read. It was a link to some maps of interest.Worldmapper is a collection of world maps, where territories are re-sized on each map according to the subject of interest. The maps are manipulated to show the areas of interest. In the map above it shows the countries in relaton to the amount of elderly people who live in each country.
there are about twelve with pdf to print out with lots of interest.