Here are two similar tools that will be of interest to Geography teachers, which provide different ways of getting information about national statistics.
ShowWorld lets you select subject such as GDP or Deaths from Aids, and watch the countries on the map change their size where the size of each country will represent the data for that subject –both its share of the total and absolute value. It’s quite an interesting way of visualising the world.
For example, here’s how Malaria looks:
Also worth a visit is Worldmapper which is a collection of world maps, again where countries are re-sized according to the subject of interest. There are now nearly 700 maps available on the site.
Many are also available as PDF posters which can be printed off.