Ten national political parties were registered with the INE and were eligible to participate in federal elections: the
National Action Party (PAN), the
Institutional Revolutionary Party (PRI), the
Party of the Democratic Revolution (PRD), the
Labor Party (PT), the
Ecologist Green Party of Mexico (PVEM),
Citizens' Movement (MC), the
National Regeneration Movement (Morena), the
Solidarity Encounter Party (PES),
Progressive Social Networks (RSP), and
Force for Mexico (FXM). The General Law of Political Parties stipulates that national political parties can form coalitions for elections by submitting a coalition agreement to the electoral authority. Parties cannot join coalitions in their first election. As the
Solidarity Encounter Party (PES),
Progressive Social Networks (RSP), and
Force for Mexico (FXM) were newly established parties, they were not eligible for joining a coalition. Parties that do not reach 3% of the popular vote lose their registration as a national political party.
Summary Juntos Hacemos Historia In June 2020, Alfonso Ramírez Cuéllar, president of the
National Regeneration Movement (Morena), announced an alliance with the
Labor Party (PT), and the
Ecologist Green Party of Mexico (PVEM), expressing full support for
Andrés Manuel López Obrador's legislative agenda. On 23 December 2020,
Mario Delgado, the new president of Morena, introduced the
Juntos Hacemos Historia electoral alliance, a coalition comprising Morena, PT, and PVEM. Initially planned for the coalition to run together in 150 of the 300 electoral districts, the alliance was expanded on 18 March 2021, to cover 183 districts.
Va por México On 22 December 2020, the
National Action Party (PAN), the
Institutional Revolutionary Party (PRI) and the
Party of the Democratic Revolution (PRD) formed the opposition electoral alliance
Va por México. Initially planned to run together in 180 of the 300 electoral districts, on 23 December, the number was decreased to 171. On 15 February 2021, the alliance was expanded to cover a total of 219 districts.
Citizens' Movement (MC) announced that they would not form an alliance with the PAN and PRD, as they
had in 2018, and would instead contest the election independently, citing disagreements with the parties. ==Opinion polls==