Many places. World Bank, Census, IMF etc. Do a text search on this page: http://uuorld.com/portal/ for "set:" Each set is free from its source but they require lots of tedious massaging to reformat.
I didn't down-vote you but I was talking about the raw statistics used as input to the visualization engine. I had assumed you wanted to build some data-visualization software and was pointing out the places to get stats.