ballot

London Mayoral Election Count...LONDON, ENGLAND - MAY 06:  Count staff open ballot boxes and throw empties on to a pile during the London Mayoral and Assembly election count at Kensington Olympia on May 6, 2016 in London, England. This is the fifth mayoral election since the position was created in 2000. Previous London Mayors are Ken Livingstone for Labour and more recently Boris Johnson for the Conservatives. The main candidates for 2016 are Sadiq Khan, Labour, Zac Goldsmith, Conservative, Suan Berry, Green, Caroline Pidgeon, Liberal Democrat, George Galloway, Respect, Peter Whittle, UKIP and Sophie Walker, Wonmen's Equality Party.  (Photo by Chris Ratcliffe/Getty Images)

Chris Ratcliffe/Getty

Count staff open ballot boxes and throw empties on to a pile during the London Mayoral and Assembly election count at Kensington Olympia in London, England. This is the fifth mayoral election since the position was created in 2000

New Indian citizens of Masaladanga and n...New Indian citizens of Masaladanga and nearby enclaves arrive to cast their ballots at a polling station in Cooch Behar district on May 5, 2016, during the final phase of state assembly elections in the eastern Indian state of West Bengal.

Diptendu Dutta/AFP

New Indian citizens of Masaldanga and nearby enclaves arrive to cast their ballots at a polling station in Cooch Behar district during the final phase of state assembly elections in the eastern Indian state of West Bengal

An electoral agent checks on voters roll as Zambians queue to cast their ballots for the Zambian Presidential elections at Kanyama primary in Lusaka on January 20, 2015. Polling opened in Zambia's tightly contested vote to elect a president after a ruling party power struggle following the death of Michael Sata in office last year.

Gianluigi Guercia/AFP

An electoral agent checks the voter roll at Kanyama constituency in Lusaka, Zambia, as Zambians cast their ballots for the presidential elections

Residents queue to cast their ballots at a polling station in Serewe on October 24, 2014 for the Botswana general elections. Voters went to the polls in Botswana's general elections on October 24, with the ruling party facing an unprecedented test against an invigorated opposition in one of Africa's most stable democracies.

Marco Longari/AFP

Residents queue to cast their ballots at a polling station in Serewe on Friday for the Botswana general elections

Indonesian Baduy tribe women wait for their turn to cast their ballots during the parliamentary elections at a polling station in Kanekes village, Lebak, Banten province, Indonesia, 09 April 2014. Polls opened on 09 April in Indonesia's parliamentary elections amid expectations of an opposition victory. Twelve national political parties and three local parties in Aceh province are contesting the elections, the fourth since Indonesia embraced democracy following the fall of dictator Suharto in 1998.

Mast Irham/EPA

Indonesian Baduy tribe women wait for their turn to cast their ballots during the parliamentary elections at a polling station in Kanekes village, Lebak, Banten province. Polls opened on Wednesday amid expectations of an opposition victory.