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The world’s biggest risks in 2015

Pro-Russian separatists ride on top of a tank near the town of Krasnyi Luch in Lugansk region, eastern Ukraine, on October 28, 2014.

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One week ahead of its conference in Davos, Switzerland, the World Economic Forum (WEF) has released its list of the biggest global risks.

The report, out on Thursday, is the WEF's tenth and is based on a survey completed by nearly 900 respondents working across the world in business, government, academia and non-governmental organizations. They ranked risks in terms of both likelihood and impact.

Read on to learn about the dangers that could lie ahead.

—By CNBC's Katy Barnato on January 15, 2014.

Dimitar Dilkoff | AFP | Getty Images