We live in an increasingly dangerous world, with political, economic and environmental threats piling up, according to experts polled by the World Economic Forum.
Ahead of its annual meeting in Davos next week, the group's 2016 Global Risks report on Thursday ranked the migrant crisis as the biggest single risk in terms of likelihood, while climate change was seen as having the greatest potential impact.
Around 60 million people have been displaced by conflicts from Syria to South Sudan, pushing refugee flows to record levels that are some 50 percent higher than during World War II.
Economic fears, particularly for Chinese growth, and increasingly frequent extreme weather events are further red flags, resulting in a greater breadth of risks than at any time in the survey's 11-year history.