International Organization is a quarterly peer-reviewed academic journal that covers the entire field of international affairs. It was established in 1947 and is published by Cambridge University Press on behalf of the International Organization Foundation. The editor-in-chief is Erik Voeten (Georgetown University). International Organization is considered the leading journal in the field of International Relations, and one of the top journals in political science. In a 2005 survey of international relations scholars on "which journals publish articles that have the greatest impact" in their field, about 70% included International Organization among the 4 "top journals", ranking it first among 28 journals. According to the Journal Citation Reports, the journal has a 2017 impact factor of 4.517, ranking it 2nd out of 169 journals in the category "Political Science" and 1st out of 85 journals in the category "International Relations".The journal was founded in 1947 by the World Peace Foundation, a philanthropic institution. In its early years, the journal focused on the United Nations, but expanded its scope...