Castillo received 51.1 percent of the votes in a poll carried out by consulting company IPSOS. He also obtained 36.5 percent of voting intentions in a study released by the Institute of Peruvian Studies (IEP) on Sunday.
Meanwhile, conservative politician Fujimori appears in second place with 48.9 percent of preferences according to IPSOS or 29.6 percent of voting intentions according to IEP.
Castillo enjoys the highest level of preference in rural areas while Fujimori maintains her electoral stronghold in Lima, where she obtained 38.4 percent of the votes and Castillo 25 percent.
Peru's Pedro Castillo dancing an Andean zapateadito.
This music & dance is seen as low class & uncouth in the big cities. Castillo is one the millions who've been told, for centuries, that their culture is trash. Now that's changing. pic.twitter.com/06YaXus4Ad