2015 Buenos Aires City elections
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Mayoral election | |||||||||||||||||||||||||||||||||||||
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| Turnout | 73.04% (first round) 69.38% (second round) | ||||||||||||||||||||||||||||||||||||
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30 out of 60 seats in the City Legislature | |||||||||||||||||||||||||||||||||||||
| Turnout | 79.78% | ||||||||||||||||||||||||||||||||||||
This lists parties that won seats. See the complete results below. | |||||||||||||||||||||||||||||||||||||
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General elections were held in the City of Buenos Aires on 5 July 2015 to elect the Chief of Government (mayor), half of the City Legislature and all 150 members of the communal boards to four-year terms. As no mayoral candidate won a majority in the first round, a runoff was held on 19 July, in which Horacio Rodríguez Larreta, of the governing Republican Proposal (PRO) party, defeated Martín Lousteau and his Organized Citizen Energy (ECO) coalition to become Chief of Government of Buenos Aires.
Incumbent Chief of Government Mauricio Macri was term-limited, and instead ran a successful presidential campaign in October 2015. The City Legislature remained controlled by the governing Republican Proposal (PRO) party and its coalition, PRO Union.
This was the first election in which the Single Electronic Ballot (Boleta Única Electrónica, BUE) voting system was implemented.