In the poll, released by new think tank the European Council on Foreign Relations, more than one third of the respondents (35 percent) said they see an increased EU power as a central element needed to develop a better world.
"As EU leaders prepare for the annual debate over how much reform Turkey has done and how much it should do, they should do all they can to renew Turkey's trust in the EU," writes Chris Patten, one of ECFR's founding members.
"To make UN action more credible and US military action less likely, the EU will need to act as one and make sure it has exhausted all peaceful alternatives in its approach to Iran", says Daniel Korski, a senior fellow at the European Council of Foreign Relations.
"The conversation centred around issues such as can Europe really speak with one voice; what should we do about Iran; should Europe aspire to be a counter-weight to the US? Blog entry by Gideon Rachman