Heads of State
The President of the Republic of Estonia
The Prime Minister of the Republic of Estonia in the Duties of the President
- 1990-1992 Heinrich Mark
- 1970-1990 Tõnis Kint
- 1963-1970 Aleksander Warma
- 1945-1963 August Rei
- 1940-1945 Jüri Uluots
President of the Republic of Estonia
The Protector of State of the Republic of Estonia
Prime Minister of the Republic of Estonia in the Duties of the Elder of State
The Elder of State of the Republic of Estonia
- 1933-1934 Konstantin Päts
- 1933-1933 Jaan Tõnisson
- 1932-1933 Konstantin Päts
- 1932-1932 Kaarel Eenpalu
- 1932-1932 Jaan Teemant
- 1931-1932 Konstantin Päts
- 1929-1931 Otto (August) Strandman
- 1928-1929 August Rei
- 1927-1928 Jaan Tõnisson
- 1925-1927 Jaan Teemant
- 1924-1925 Jüri Jaakson
- 1924-1924 Friedrich Karl Akel
- 1923-1924 Konstantin Päts
- 1922-1923 Juhan (Johann) Kukk
- 1921-1922 Konstantin Päts
- 1920-1921 Ants Piip
Prime Minister of the Republic of Estonia
- 1920-1920 Ants Piip
- 1920-1920 Jaan Tõnisson
- 1920-1920 Aadu (Ado) Birk
- 1919-1920 Jaan Tõnisson
- 1919-1919 Otto (August) Strandman
Prime Minister of the Provisional Government
Estonian heads of state since 1918 and the legal grounds of their activities.