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LIMA, June 6 (Xinhua) -- Peruvian presidential candidate Pedro Pablo Kuczynski maintained a slight lead over his rival Keiko Fujimori, the country's electoral official said on Monday.

Presidential candidate of the Peruvians for Change (PPK, for its acronym in Spanish) party Pedro Pablo Kuczynski (1st R) arrives at a polling station to cast his vote during the second round of the presidential elections in Lima, capital of Peru, on June 5, 2016. A total of 22,901,954 Peruvian electors, including 884,924 who live abroad, are eligible to vote on Sunday to elect the new Peruvian president. (Xinhua/Oscar Farje Gomero/ANDINA)

Kuczynski had 50.32 percent of the vote against 49.68 percent for Fujimori, with 92.55 percent of votes counted, National Office of Electoral Processes (ONPE) director Mariano Cuchos said.

With less than one percentage point between the two candidates, the election is the tightest in Peru in 25 years, according to Peruvian daily El Comercio.

Both sides are anxious to get a final result. However, Cucho said, both candidates should remain calm until all votes are fully tallied.

The tight race was likely due to a lack of ideological differences between the two candidates. Kuczynski and Fujimori could name the same Minister of Economy and nobody would be surprised, political analyst Arturo Maldonado told local media.

The winner will assume presidency on July 28 with a mandate of five years.