?Hans Rosling: How much do you know about the world

?Hans Rosling: How much do you know about the world

The world may have many problems, from climate change to armed conflict, natural disasters, poverty and the oppression of women and minorities - but where does population growth fit into this catalogue of woes?

With the population of the world at seven billion and rising, many fear a shortage of resources as well as a shortage of space. Swedish professor Hans Rosling, however, says it's time for a reality check.

When pollsters got 1,000 British people to take Rosling's "ignorance survey" in May this year, the results suggested they knew "less about the world than chimpanzees", he says.

Take a version of the test in this quiz, compare your results with the British respondents', then read Hans Rosling's five reasons the world is in better shape than we think.