U.S.-Japan Caucus visited Japan for five days as an official representative of the United States and the U.S.-Japan Caucus. While there, he met with various officials within the Japanese Government, including, Shinzo Abe (The Prime Minister of Japan), Caroline Kennedy (the then-U.S. Ambassador to Japan), Yoichi Miyazawa (Then Japanese Miniser of Economy, Trade, and Industry), as well as the members of the Japanese-US Parliamentary Friendship League (the Japanese counterpart of the U.S.-Japan Caucus). On January 12, 2016, the U.S.-Japan Caucus came out in support of a historic agreement between Japan and South Korea surrounding the controversial issue of Japanese Comfort Women. The
Japan–Russia relations leaders decided to sign off on joint projects in five areas — aquaculture, greenhouse farming, tourism, wind power and waste reduction. At the 2018 Thirteenth East Asia Summit in Singapore, Shinzo Abe followed up on a proposal from Vladimir Putin to sign a peace treaty without preconditions by the end of the year. He said that the leaders would seek a peace treaty to the terms of the 1956 Soviet–Japanese Joint Declaration. The declaration gave Japan the Habomai islet group and Shikotan while the Soviet Union claimed the remaining islands, but the United States did not allow the 1956 treaty.