§ 56. The supreme power of state shall be exercised by the people through citizens with the right to vote:
1) by electing the Riigikogu;
2) through a referendum.
§ 57. An Estonian citizen who has attained eighteen years of age has the right to vote.
An Estonian citizen who has been divested of his or her legal capacity by a court does not have the right to vote.
§ 58. Participation in voting may be restricted by law for Estonian citizens who have been convicted by a court and are serving sentences in penal institutions.