Japan is Facing a Problem of Seriously Aging Population. See the Transitions From 1920 To 2065 with Time-machine-like Interface.
Japanese Population Pyramid
Chinese Economy has Grown So Big, So Quickly. Which Country is the Next?
Nominal GDP by Country
An interactive bubble chart depicting world's nominal GDP by country. You can see the significant changes on the world economy from 1980s to the present, and also the estimated changes until 2020.
