Nominee: Other pre-candidates: On 5 February, Josefina Vázquez Mota was announced as PAN presidential candidate following her victory in the internal selection process.

[58] The movement Yo Soy 132 ("I am 132") formed in response to this perceived bias, with initial focus on Peña Nieto as the flagship of "corruption, tyranny and authoritarianism".

On election day, Sepúlveda claimed to have been watching a live feed from Bogotá, Colombia and destroyed evidence right after Peña Nieto was declared winner.

[69] After presenting new audio evidence regarding the PRI's use of Monex cards, López Obrador commented that it would be better if the Electoral Tribunal invalidated the election and move in an interim President than to violate the constitution and acting in an "anti-democratic" way.

"[71] After the preliminary results of the Federal Electoral Institute announced Enrique Peña Nieto as virtual President-elect, several student protests led by the youth movement Yo Soy 132 and independent citizen movements broke out throughout the country claiming the forced imposition of a President and electoral fraud,[72][73][74][75] as evidence of an alleged fraud surfaced and pointed towards the PRI buying votes by providing voting citizens with store credit cards of Mexican supermarket chain Soriana.

[76][77] Mexico's Federal Electoral Institute (IFE) confirmed in January 2013 that Peña Nieto's party spent $5.2 million in electronic cards throughout the whole campaign.

Following a request from Andrés Manuel López Obrador, the Federal Electoral Institute agreed to recount more than half of the ballots cast in the presidential election.

[81] On 7 July, a national protest in opposition of Enrique Peña Nieto was organized through online social networks, and demonstrations occurred in several cities.

[82] Despite the statement the protests effectively took place in 37 cities in Mexico, Canada, the United States, and Europe[83] with no incidents of violence or known involvement of the PRI.

Though in Xalapa, Veracruz a man identified as Juan Pablo Frianzoni, presumed member of the youth PRI group "Juventud Dinamica"; threw chairs at the protesters and then pointed a handgun at them from his balcony.

[89] On August 30 several protesters gathered outside the offices of the Electoral Tribunal of the Federal Judiciary as the Magistrates declared that the claims made by the left-wing coalition were "unfounded" and were therefore rejected.

[90] On 1 December 2012, as Peña Nieto was being sworn in as President, protesters rioted outside of the national palace and clashed with Federal Police forces, in an event that has been labeled by the media as the 1DMX,[91][92][93][94] while vandalizing hotel structures and setting fires around Mexico City.