Concern orever Islamic extremism % who say they are concerned about the rise of Somewhat Not too/Notatall Islamic extremism in the U.S. Islamic extremism around the world
Overall, the public continues to worry about Islamic extremism around the world and in the U.S. About six-in-ten (62%) say they are very concerned about the rise of Islamic extremism around the world, and just about half (49%) say the same about the possible rise of Islamic extremism in the U.S.
Comparable percentages said they were very concerned about the rise of Islamic extremism in September of last year. These are among the highest levels of concerns measured in the questions’ trend dating to 2007.
Republicans remain more likely than Democrats to say they are very concerned with Islamic extremism around the world (83% vs. 53%) and at home (65% vs. 38%).
Concern orever Islamic extremism  | % who say they are  | concerned about the rise of  | Very  | Somewhat Not too/Notatall  | Islamic extremism in the U.S.  | Islamic extremism around the world  | 6  | 36  | 29  | 25  | 30  | 24  | 20 20  | 18  | 07 08 09 10 11 12-13 14 15  | 07 08 09 10 11 12 13 14 15  | % who say they are very concerned about the rise of  | Republican  | Democrat Independent  | Islamic extremism around the world  | Islamic extremism in the U.S.  | 82 83  | 71  | 65  | 61  | 59  | 54  | 51  | 5049  | 46  | 36  | 51 53  | 46  | 38  | 29  | 24  | 07 08 09 10 11 12:13:14:15  | 07 08 09 10 11 12 13 14 15  | Source: Survey conducted Dec 8-13 2015 Don tknow responses notshown.  | PEW RESEARCH CENTER 