World Population by the Billion [video]

The world’s population is around 7 billion.

How long did it take for the world to add each billion?

What improvements in health and science helped population growth?

And how long do demographers think it will take to reach 8 billion, and 9 billion?

This 4 minute video explains all…



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Michael is a director of Metropole Property Strategists who create wealth for their clients through independent, unbiased property advice and advocacy. He's been once agin been voted Australia's leading property investment adviser and his opinions are regularly featured in the media. Visit

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