This is one of my favourite TED speakers. The facts as well as the way he is visualizing data and make it understandable are mind blowing and very inspiring.

Hans Rosling was a young guest student in India when he first realized that Asia had all the capacities to reclaim its place as the world’s dominant economic force. At TEDIndia, he graphs global economic growth since 1858 and predicts the exact date that India and China will outstrip the US.