Older Americans (55+) were somewhat more likely to express concern about terrorism in the Middle East, Europe or Africa.

Also, 22% of respondents said that terrorism concerns have caused them to alter their vacation plans in one way or another:

• Cancel (6%)
• Change destination (5%)
• Change dates (4%)
• Change mode of transportation (4%)
• Change local-tour plans (4%)
• Change acommodations (3%)
• Buy travel insurance (3%)

Respondents planning to travel in the Asia - Pacific region or the Americas also had some concerns about terrorism, but less so (38-55% concerned vs. 63-75%).

The survey was conducted by Ipsos 3-10 May 2016.