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Tim Harford explains the numbers and statistics in the news and in life

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More or Less: The Concrete Facts about Trump’s Wall and China

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The concrete facts about Trump’s wall and China

17/03/2017 GMT

The Concrete Facts about Trump’s Wall and China

BBC World Service - More or Less, The Concrete Facts about Trump’s Wall and China

Did China use more concrete in three years than the US in the 20th Century?

If the US is going to build a wall on their border with Mexico – it’s going to take a heck of a lot of concrete - millions of tonnes in fact. But as Wesley Stephenson finds out there is a unlikely winner from all this construction.   But even with such a huge construction project the US is still a minnow when it comes to concrete use and it is often said that China used more concrete between 2008-2011 than the US did in the whole of the Twentieth Century. It sounds astonishing - but is it true?


Presenter/Producer: Wesley Stephenson


Image: Getty/Credit: David McNew / Stringer

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