Guardian sustainable business
Feeding 10 billion

How much do you know about the world's food security challenges? Take the quiz

Demand for food is growing but arable land is being lost; millions are obese but millions still face hunger. Can you put exact figures to these problems?

A boy walks through a field of crops
Severe drought has left Ethiopia appealing for international help to feed its people. Photograph: Mulugeta Ayene/AP

How much do you understand about global food security?

How many people in the world currently go hungry according to the UN?

575 million

795 million

830 million

A US government report estimates climate change could make how many more people go

hungry?

100 million

150 million

175 million

If women farmers had equal access to resources, the FAO estimates the number of those

going hungry could be reduced by how many?

50 million

150 million

200 million

How much does the UN predict global food demand will increase by 2050?

35%

50%

60%

How much arable land has been lost in the last 40 years due to erosion or pollution, according to scientists at Sheffield University?

A quarter

A third

Half

As fisheries become exhausted, a new study has reported global fish catches have been declining since when?

1996

2000

2004

What percentage of all fruit and vegetables is wasted?

40%

45%

50%

If global food waste was a mountain it would be two miles across and how many feet high?

2,000

5,000

8,000

How many of the world’s adults are predicted to be obese by 2025?

50 million

1 billion

1.3 billion

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