Malaysia
Japan ‧ Miyazaki Prefecture
Republic of the Marshall Islands
Czech Republic ‧ City of Brno, South Moravian Region
Japan ‧ Toyota City, Aichi Prefecture
Republic of India
State of Israel ‧ City of Ramat-Gan, Tel Aviv District
Republic of Korea
Japan ‧ Kagawa Prefecture
Republic of Guatemala
Japan
Japan ‧ Okinawa Prefecture
French Republic
Japan ‧ Narita City, Chiba Prefecture
Socialist Republic of Vietnam ‧ Dong Thap Province
United States ‧ Territory of Guam
Federation of Saint Christopher and Nevis