Pew Research Center Staff

Publics around the world are concerned about the effect of global climate change and international financial instability, with majorities in many of the nations surveyed saying these are major threats to their countries. But Islamic extremism is also a serious concern, particularly in the United States, Europe and sub-Saharan Africa. In contrast, relatively few consider American or Chinese power and influence a major threat to their countries.

Pew Research Center (Estados Unidos)

Pew-Global-Threats-Report-FINAL-June-24-20131.pdf