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@susanai I'm sorry! I'll work you through my logic. I started with Europe as it had the best number of population I was working with, and a round figure of about 800 million. Add in the Middle East too - as this is a known region to the US audience, as well as the US itself which adds itself up to 310 million - and the maths is pretty much done already.

It would have taken a lot longer to do the southern hemisphere - and I'm not great with southern geography. But to be honest, either way you look at the map - discount India and China and both the red and the grey pretty much equal out anyway! happy
ie8 fix

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