One candidate is Rodrigo Paz, a conservative centrist senator and son of a neoliberal ex-president who is pitching himself as a moderate reformer.

Early official result showed the ruling Movement for Socialism (MAS) on track for its worst election defeat in a generation.

Early official results in Bolivia showed the centrist Rodrigo Paz of the Christian Democratic Party leading Sunday's presidential race, with a surprise 32.04% of the vote according to the country's electoral tribunal.

The Christian Democratic Party candidate pulled off a surprise victory, winning the most votes in the first round ahead of the former president. The left is out of the power struggle for the first tim

Early results in Bolivia's presidential race show centrist Rodrigo Paz leading. Conservative Jorge Quiroga follows, with a potential runoff. The MAS party faces heftiest defeat in years. High inflation influences voters,

Early exit polls in Bolivia's presidential election on Sunday showed Centrist Senator Rodrigo Paz of the Christian Democratic Party leading, with the ruling Movement for Socialism party on track to suffer its worst electoral defeat in a generation.

STORY: Early official results in Bolivia show the country's ruling leftists on track for their worst defeat in a generation.Instead the electoral tribunal says centrist senator Rodrigo Paz of the Christian Democratic Party is leading the election late Sunday.

Rodrigo Paz, who had trailed in the polls, won the first round of the presidential election on Sunday, as decades of dominance by a leftist party neared an end.