Electoral system for the president

Constitution of the Republic of Iceland (1944, last amended 24 June 1999), accessed 3 August 2021

Article 5: The President shall be elected by direct, secret ballot of those who are eligible to vote in elections to Althingi. A presidential candidate shall be proposed by not less than 1500 voters and not more than 3000. The candidate, if there is more than one, who receives the most votes is duly elected President. If there is only one candidate, he is duly elected without a vote. […]