Oct. 18 (UPI) -- Bolivia's presidential runoff election on Sunday is the nation's first and excludes a socialist candidate after voters narrowed the field to two conservative candidates on Friday.

Christian Democratic Party candidate Sen. Rodrigo Paz Pereira secured 32% of the popular vote to lead all candidates, while former President Jorge "Tuto" Quiroga secured the second-most with 27% of votes to set up Sunday's runoff, according to Americas Quarterly.

Paz is a centrist candidate and the son of former Bolivian President Jaime Paz Zamora, who led the nation from 1989 to 1993.

Quiroga, 67, was serving as Bolivia's vice president when he ascended to the presidency for one year, from Aug. 7, 2001, to Aug. 6, 2002, following the resignation of President Hugo Banzer due to a cancer diagnosis.

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