One Country on Each Side is a concept originating in the Democratic Progressive Party government led by Chen Shui-bian, the former president of the Republic of China (2000–2008), regarding the political status of Taiwan. It emphasizes that the People's Republic of China and the Republic of China (commonly known as "Taiwan") are two different countries, (namely "One China, one Taiwan"), as opposed to two separate political entities within the same country of "China". This is the position of the supporters of the Pan-Green coalition.
