<P> Additionally, Meade spent more money on pre-campaign efforts than López Obrador and Anaya together, while failing to report where his funds came from; in contrast, López Obrador has attended the most events while spending the least money and successfully reported better than his rivals where he obtained the resources to pay for those events . </P> <P> During 2017, the PRI had faced allegations of electoral fraud concerning the election of Peña Nieto's cousin Alfredo del Mazo Maza as Governor of the state of Mexico . Despite the official vote results given by the INE (Electoral National Institute) giving the win to del Mazo, the election was marred by irregularities including reports of vote - buying, spending beyond legal campaign finance limits, and electoral counts that gave del Mazo extra votes that awarded the election to him . In November 2017, left - wing magazine Proceso published an article accusing the PRI of breaking at least 16 state laws during the elections, which were denounced 619 times . They said that all of them were broken in order to favor del Mazo during the election . </P> <P> López Obrador won the election on 1 July 2018 with over 50% of the popular vote . In terms of states won, López Obrador won in a landslide, carrying 31 out of 32 of the country's states, the most states won by a candidate since Ernesto Zedillo won every state in the 1994 election . </P> <P> Around 30 minutes after polls closed in the country's north - west, José Antonio Meade, speaking at a news conference from PRI headquarters, conceded defeat and wished López Obrador "every success". </P>

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