The world's wealth - in 60 seconds

The BBC's new A Richer World season is exploring global wealth, poverty and inequality.

The world is richer now than ever before.

As this video demonstrates, the global economy has more than doubled over the last 20 years.

But which countries have developed fastest? And have these booming countries caught up to the richest?

For more on the BBC's A Richer World, go to www.bbc.com/richerworld - or join the discussion on Twitter using the hashtag #BBCRicherWorld.

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