1. In 1971, the Graduate Institute of Euroean Studies was formally established, which included American Studies subgroup. The Ph.D program was started in 2010.
The institute was restructured and merged with Graduate Institute of Russian and Slavic Studies into the current institute in 2009 with subgroups of European Union Studies and Russian Studies. The Graduate Insitute of European Studies stopped division of research since 2018.
The insitute was merged with Graduate Institute of Latin American Studies into the Graduate Institute of American Studies in 2009, with subgroups of American Studies and Latin American Studies.
In 2016, the Graduate Institute of American Studies stopped the enrolment of new students, and the enrolment of students was resumed for Graduate Institute of Latin American Studies.
The institute was merged with Graduate Institute of South East Asia Studies in 2009 and rebranded into Graduate Institute of Asian Studies with subgroups of Japan Studies and South East Asia Studies.
In 2016, the Graduate Institute of Asian Studies stopped the enrolment of new students, and was rebranded into Graduate Institute of Japanese Political and Economy Studies.
The institute stopped recruiting new students in 2009 and was merged into Graduate Institute of American Studies with subgroups of American Studies and Latin American Studies.
In 2016, the Graduate Institute of Latin American Studies had resumed the enrolment of new students, and the Graduate Institute of American Studies had stopped the enrolment of new students.
The institute stopped recruiting new students in 2009 and was merged into Graduate Institute of European Studies with subgroups of European Union Studies and Russian Studies.
Since 2018, there is no division of groups for the Graduate Institute of European Studies.
Starting 2009, the institute stopped recruiting and was merged with Graduate Institute of Japan Studies into Gradutate Institute of Asia Studies with subgroups of Japan Studies and South East Asia Studies.
The Graduate Institute of South East Asia Studies had stopped enrolment of new students since 2016.