Hans Rosling: Global population growth, box by box

http://www.ted.com The world's population will grow to 9 billion over the next 50 years -- and only by raising the living standards of the poorest can we check population growth. This is the...

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I still remember the day in schoolwhen our teacher told usthat the world population had becomethree billion people,and that was in 1960.I'm going to talk now abouthow world population has changed from that yearand into the future,but I will not use digital technology,as I've done during my first five TEDTalks.Instead, I have progressed,and I am, today, launchinga brand new analog teaching technologythat I picked up from IKEA:this box.This box contains one billion people.And our teacher told usthat the industrialized world, 1960,had one billion people.In the developing world, she said,they had two billion people.And they lived away then.There was a big gap betweenthe one billion in the industrialized worldand the two billion in the developing world.In th...