Here are 15 world elections to watch in 2015.

Please click here for the 2013 calendar of world elections.
Please click here for the 2014 calendar of world elections.

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January

January 4: Uzbekistan — parliamentary (2nd round)
January 8: Sri Lanka — presidential
January 11: Croatia — presidential (runoff)
January 20: Zambia — presidential
January 25: Greece — parliamentary
January 25: Comoros — parliamentary (1st round)
January 31: Queensland (Australia) — state legislative

February

February 7: Delhi Capital Territory — legislative assembly
February 7: Slovakia — referendum on same-sex marriage
February 14: Nigeria — presidential and parliamentary
[postponed to March 28]
February 15: Hamburg (Germany) — state parliamentary
February 16: Saint Kitts and Nevis — parliamentary
February 22: Comoros — parliamentary (2nd round)
February 28: Nigeria — gubernatorial and state assembly
February 28: Tajikistan — parliamentary
February 28: Lesotho — parliamentary
February 28: Yemen — presidential and parliamentary
February: Iran — Assembly of Experts election

March

March 1: Estonia — parliamentary
March 1: Andorra — parliamentary
March 3: Micronesia — parliamentary
March 3: Pakistan — senatorial (indirect)
March 17: Israel — parliamentary
March 19: Tuvalu — parliamentary
March 22: Sweden — parliamentary
March 22: Gagauzia (Moldova) — gubernatorial (first round)
March 22: Andalusia (Spain) — regional parliamentary
March 22-23: Egypt — parliamentary (first phase)
March 28: New South Wales (Australia) — state legislative
March 28: Nigeria — presidential and parliamentary
March 29: Uzbekistan — presidential
March 29: Madeira (Portugal) — regional
March 29: Bolivia — gubernatorial

April

April 5: Gagauzia (Moldova) — gubernatorial (second round)
April 11: Nigeria — gubernatorial and state assembly
April 12: Japan — gubernatorial (several states)
April 13-15: Sudan — presidential and parliamentary
April 19: Finland — parliamentary
April 19: Northern Cyprus — presidential
April 25: Togo — presidential
April 25: Anguilla — parliamentary
April 26: Kazakhstan — presidential
April 26: Benin — parliamentary
April 26-27: Egypt — parliamentary (second phase)
April: Micronesia — presidential (indirect)

May

May 3: Nagorno-Karabakh — parliamentary
May 5: Alberta (Canada) — parliamentary
May 7: United Kingdom — parliamentary
May 7: Progressive Conservative Party of Ontario leadership election
May 10: Bremen (Germany) — state parliamentary
May 10: Poland — presidential
May 11: Guyana — parliamentary
May 13-15: Parti Québécois leadership election
May 22: Ireland — referendum on same-sex marriage
May 24: Ethiopia — parliamentary and regional
May 24: Poland — presidential (runoff)
May 24: Spain — municipal
May 24: Spain — 13 regional parliamentary
May 25: Suriname — parliamentary
May 26: Netherlands — senatorial
May 26: Burundi — parliamentary
May 31 – June 1: Campania, Liguria, Marche, Puglia, Tuscany, Umbria and  Veneto (Italy) — regional

June

June 7: Mexico — parliamentary (midterms) and gubernatorial
June 7: Turkey — parliamentary
June 14: Santa Fe (Argentina) — gubernatorial
June 18: Denmark — parliamentary
June 21: Mendoza (Argentina) — gubernatorial
June 26: Burundi — presidential (1st round)
June 26: Somaliland — presidential and parliamentary elections
June 29: Burundi — parliamentary

July

July 9: South Sudan — presidential and parliamentary
July 5: Buenos Aires (Argentina) — gubernatorial (1st round)
July 5: Greece — referendum
July 15: Burundi — presidential (1st round)
July 16: United Kingdom — Liberal Democrats
leadership election ends
July 19: Buenos Aires (Argentina) — gubernatorial (runoff)
July 21: Burundi — presidential [rescheduled]

August

August 9: Argentina — presidential primaries
August 9: Haiti — parliamentary
August 14: United Kingdom — Labour Party leadership election voting begins
August 17: Sri Lanka — parliamentary
August: Cordoba (Argentina) — gubernatorial

September

September 1:  Faroe Islands (Denmark) — parliamentary
September 6: Guatemala — presidential and parliamentary
September 7: Trinidad and Tobago — parliamentary
September 11: Singapore — parliamentary
September 12: United Kingdom — Labour Party leadership election results announced
September 13: Tatarstan (Russia) — presidential
September 20: Liberal Democratic Party (Japan) — leadership election
September 20: Greece — parliamentary
September 27: Catalunya (Spain) — parliamentary
September 27: Upper Austria — state parliamentary

October

October 3: United Arab Emirates — Federal National Council
October 4: Portugal — parliamentary
October 4: Kyrgyzstan — parliamentary
October 11: Guinea — presidential
October 11: Burkina Faso — presidential and parliamentary
October 11: Belarus — presidential
October 11: Vienna (Austria) — state parliamentary
October 12: Bihar (India) — parliamentary (1st of five rounds)
October 16: Bihar (India) — parliamentary (2nd of five rounds)
October 18: Switzerland — national council and senatorial
(1st round)
October 18: Central African Republic — presidential and parliamentary (1st round)
October 17-19: Egypt — parliamentary (first round)
October 19: Canada — parliamentary
October 25: Argentina — parliamentary and presidential (1st round)
October 25: Poland — parliamentary
October 25: Colombia — gubernatorial
October 25: Bogotá (Colombia) — mayoral
October 25: Guatemala — presidential (runoff)
October 25: Tanzania — presidential and parliamentary
October 25: Zanzibar (Tanzania) — presidential and parliamentary
October 25: Haiti — presidential
October 25: Oman — parliamentary
October 25: Côte d’Ivoire — presidential
October 25: Ukraine (including Kyev) — municipal
October 26-28: Egypt — parliamentary (second round)
October 28: Bihar (India) — parliamentary (3rd of five rounds)

November

November 1: Turkey — parliamentary
November 1: Bihar (India) — parliamentary (4th of five rounds)
November 1: Azerbaijan — parliamentary
November 4: Belize — parliamentary
November 5: Bihar (India) — parliamentary (5th of five rounds)
November 8: Bihar (India) — parliamentary results counted
November 8: Myanmar/Burma — parliamentary
November 8: Croatia — parliamentary
November 16: Marshall Islands — parliamentary
November 22: Central African Republic — presidential and parliamentary (2nd round)
November 22: Argentina — presidential (runoff)
November 23: Northwest Territories (Canada) — regional assembly
November 26: Gibraltar (UK) — parliamentary
November 29: Switzerland — senatorial (runoff)
November 29: Burkina Faso — presidential and parliamentary
November 29: Transnistria (Moldova) — parliamentary and local
November 30: Newfoundland and Labrador (Canada) — provincial

December

December 3: Denmark — EU ‘opt-out’ status referendum
December 6: France — regional elections (first round)
December 6: Venezuela — parliamentary
December 9: Saint Vincent and the Grenadines — parliamentary
December 9: Switzerland — presidential (indirect)
December 9: Indonesia — gubernatorial and municipal
December 12: Saudi Arabia — municipal
December 13: France — regional elections (second round)
December 20: Spain — parliamentary
December 20: Slovakia — same-sex marriage referendum
December 27: Haiti — presidential runoff

December 30: Central African Republic — presidential and parliamentary
December 30: Kiribati — parliamentary (first round)