Since leaving office, Tsai has taken on a role as an unofficial diplomat for Taiwan, particularly visited countries that strengthened ties during her time as president.
After returning to Taiwan from her visit to Europe, former President Tsai Ing-wen of the Republic of China said, "We brought the voice of Taiwanese people to Europe, demonstrated the values of Taiwan's democracy and freedom, and shared Taiwan's perspectives with the world, pledging our determination to safeguard regional peace and stability."