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The world at seven billion The world at seven billion
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Over the next week the BBC News website will be looking at the issues raised by the growth in the world's population. You will be able to find out how many people were alive on the day you were born, plus there will be an analysis of the troubled history of population control as well as a tour of population projection data.Over the next week the BBC News website will be looking at the issues raised by the growth in the world's population. You will be able to find out how many people were alive on the day you were born, plus there will be an analysis of the troubled history of population control as well as a tour of population projection data.

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