A Pew Research report reveals some startling facts about the major fears of the world at large. In a survey of 45,435 respondents in 40 countries, two fears lorded over every other – climate change and Islamic State.
Islamic State was a distant fourth in the order with 45 per cent citing it as a top threat.
For purely political reasons, Israel was the only country that said Iran was the greatest threat to the world. Territorial tensions made Vietnam place China as the greatest threat while Ukraine went against Russia. Russia, on the other hand, was one of the few countries that cited global economic instability as the major threat.
You may read the research in detail here.