This national electoral calendar for 2018 lists the national/federal elections held in 2018 in all sovereign states and their dependent territories. By-elections are excluded, though national referendums are included.
January
7 January: Northern Cyprus, Parliament
12–13 January: Czech Republic, President (1st round) 26–27 January: Czech Republic, President (2nd round) 28 January: Cyprus, President (1st round) Finland, President
February
4 February: Costa Rica, President (1st round) and Parliament Cyprus, President (2nd round) Ecuador, Referendum 11 February: Monaco, Parliament 23 February: Djibouti, Parliament 26 February: Sint Maarten, Legislature
March
4 March: El Salvador, Parliament Italy, Chamber of Deputies and Senate Switzerland, Referendums 7 March: Sierra Leone, President and Parliament (1st round) 11 March: Colombia, House of Representatives and Senate Cuba, Parliament 13 March: Grenada, Parliament 18 March: Russia, President 21 March: Antigua and Barbuda, Parliament Netherlands, Referendum 25 March: Turkmenistan, Assembly and People's Council 26–28 March: Egypt, President 31 March: Sierra Leone, President and Parliament (2nd round)
April
1 April: Costa Rica, President (2nd round) 8 April: Hungary, Parliament 11 April: Azerbaijan, President 15 April: Guatemala, Referendum Montenegro, President 20 April: Bhutan, National Council 22 April: French Polynesia, Legislature (1st round) Paraguay, President, Chamber of Deputies and Senate 24 April: Greenland, Legislature
May
6 May: French Polynesia, Legislature (2nd round) Lebanon, Parliament 9 May: Malaysia, House of Representatives 12 May: East Timor, Parliament Iraq, Parliament 13 May: Slovenia, Referendum 16 May: Jersey, Legislature 17 May: Burundi, Constitutional Referendum 20 May: Venezuela, President 24 May: Barbados, Parliament 25 May: Ireland, Constitutional Referendum 27 May: Colombia, President (1st round)
June
3 June: Slovenia, National Assembly
10 June: Switzerland, Referendums
14 June: Cook Islands, Legislature
17 June: Colombia, President (2nd round) 24 June: Turkey, President and Parliament
July
1 July: Mexico, President, Chamber of Deputies and Senate
25 July: Pakistan, National Assembly
29 July: Cambodia, Parliament Mali, President (1st round) 30 July: Comoros, Constitutional Referendum Zimbabwe, President, House of Assembly and Senate
August
12 August: Mali, President (2nd round) 26 August: Colombia, Referendum
September
1 September: Mauritania, Parliament (1st round) 2–3 September: Rwanda, Chamber of Deputies 9 September: Sweden, Parliament 15 September: Bhutan, National Assembly (1st round) Mauritania, Parliament (2nd round) 21 September: Eswatini, House of Assembly 23 September: Maldives, President Switzerland, Referendums 30 September: Republic of Macedonia, Referendum
October
5–6 October: Czech Republic, Senate (1st round) 6 October: Gabon, National Assembly (1st round) Latvia, Parliament 6–7 October: Romania, Constitutional Referendum 7 October: Bosnia and Herzegovina, Presidency and House of Representatives Brazil, President (1st round), Chamber of Deputies and Senate Cameroon, President São Tomé and Príncipe, Parliament 10 October: Guernsey, Referendum 12–13 October: Czech Republic, Senate (2nd round) 14 October: Luxembourg, Parliament 18 October: Bhutan, National Assembly (2nd round) 20 October: Afghanistan, House of the People 26 October: Ireland, President and Constitutional Referendum 27 October: Afghanistan, House of the People (Kandahar only) Gabon, National Assembly (2nd round) 28 October: Brazil, President (2nd round) Georgia, President (1st round)