This fantastic chart shared by World Economic Forum showed what are the biggest worries of the world. Surprisingly, Climate change came at the first spot as the biggest concern right now. Given the number of active conflicts around the world, whose implications are being felt in regions like Europe, people are right to worry about wars, which occupies the second spot in top concerns.
The rise of the Islamic State and their attacks around the world tainted the image of Muslims around the world, hence, Religious conflicts the third spot.