List of heads of state of Mexico

The Head of State in Mexico is the person who controls the executive power in the country. Under the current constitution, this responsibility lies with the President of the United Mexican States, who is head of the supreme executive power of the Mexican Union. Throughout its history, Mexico has had several forms of government. Under the federal constitutions, the title of President was the same as the current. Under the Seven Laws (centralist), the chief executive was named President of the Republic. In addition, there have been two periods of monarchical rule, during which the executive was controlled by the Emperor of Mexico.

The chronology of the heads of state of Mexico is complicated due to the country's political instability during most of the nineteenth century and early decades of the twentieth century. With few exceptions, most of the Mexican presidents elected during this period did not complete their terms. Until the presidency of Lázaro Cárdenas, each president had remained in office an average of fifteen months.

This list also includes the self-appointed presidents during civil wars and the collegiate bodies that performed the Mexican Executive duties during periods of transition.

After the end of the Mexican War of Independence, a Provisional Board of Governing consisting of thirty-four persons was set up. The Board decreed and signed the Declaration of Independence of the Mexican Empire and appointed a regency composed of six people.

The Provisional Government of 1823–24 was an organization that served as the Executive in the government of México after the end of the Mexican Empire of Agustín I, in 1823. The organization was responsible for convening the body that created the Federal Republic and existed from April 1, 1823 to October 10, 1824.

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