[5] To discuss the world's biggest political and security crises, including Syria and the mass migration of refugees.

[6] In September 2015, U.S. Secretary of the Treasury Jack Lew planned to visit Turkey, as did his Chinese[7] and other G20 finance minister counterparts and central bankers.

As an organization dealing with global issues of financial and economic cooperation, the G20 decided to change the format of the session.

[9] "The fight against terrorism is a major priority for all of our countries and we reiterate our resolve to work together to prevent and suppress terrorist acts through increased international solidarity and cooperation," read the joint statement.

French President François Hollande did not attend the event due to the November 2015 Paris attacks and sent Foreign Minister Laurent Fabius as his representative.