The presidents of Japan
North Korea
South Korea
taiwan
Japan:
1. Emperor Naruhito (current Emperor, ascended to the throne on May 1, 2019)
2. Prime Minister Yoshihide Suga (current Prime Minister, assumed office on September 16, 2020, succeeding Shinzo Abe)
North Korea:
1. Kim Il-sung (first President, served from 1972 until his death in 1994)
2. Kim Jong-il (succeeded his father, served from 1994 until his death in 2011)
3. Kim Jong-un (current Supreme Leader, assumed power in 2011)
South Korea:
1. Syngman Rhee (first President, served from 1948-1960)
2. Park Chung-hee (served from 1963 until his assassination in 1979)
3. Chun Doo-hwan (served from 1979-1988)
4. Roh Tae-woo (served from 1988-1993)
5. Kim Young-sam (served from 1993-1998)
6. Kim Dae-jung (served from 1998-2003)
7. Roh Moo-hyun (served from 2003-2008)
8. Lee Myung-bak (served from 2008-2013)
9. Park Geun-hye (served from 2013-2017, impeached and removed from office)
10. Moon Jae-in (current President, assumed office in 2017)
Taiwan:
1. Chiang Kai-shek (first President, served from 1949-1950, relocated to Taiwan after the Chinese Civil War)
2. Yen Chia-kan (served from 1975-1988)
3. Lee Teng-hui (served from 1988-2000)
4. Chen Shui-bian (served from 2000-2008
5. Ma Ying-jeou (served from 2008-2016)
6. Tsai Ing-wen (current President, assumed office in 2016)