^ The three-member presidency is the head of state collectively.
^ The Presidency Council serves as the collective head of state with the president at its head.
^ The Preface to the Constitution of the Democratic People's Republic of Korea states, "The DPRK and the entire Korean people will uphold the great leader Comrade Kim Il-sung as the eternal President of the Republic, defend and carry forward his ideas and exploits and complete the Juche revolution under the leadership of the Workers' Party of Korea." Kim Il Sung died in 1994.
^ The seven member Swiss Federal Council is the collective Head of State of the Swiss Confederation. Within the Council, the President of the Swiss Confederation serves solely in a primus inter pares capacity for one year.
^ Abbas's presidency expired on 9 January 2009 but he unilaterally extended his term for another year. Haniyeh, as the Speaker of the House, would succeed Abbas were he to have died or been expelled from office. The two major political parties in Palestine, Fatah and Hamas disagree about who the legitimate President currently is.
^ As part of the Fatah-Hamas conflict, essentially a civil war, Abbas dismissed Haniyeh and chose Fayyed as PM without parliamentary approval. The two major political parties in Palestine, Fatah and Hamas disagree about who the legitimate Prime Minister currently is.
^ On November 12, 2006 the Salvation Union of South Ossetia, opposing the leadership of Eduard Kokoity, held an alternative presidential election, in which former South Ossetian Prime Minister Dmitry Sanakoyev was chosen as the president of the alternative government of South Ossetia.