It depends on what you mean by "democratic". There would be at the very least three dates for such "democratization":
1824 when Mexico switched from a monarchy into a republic
1917 when the ideals of the Mexican Revolution were written in the Mexican Constitution.
2000 when the Partido Revolucionario Institucional(Institutional Revolutionary Party) ended it uncontested reign over Mexico's politics.
Presidential
Democracy
Yes. Although imperfect, Mexico is a democracy.
Mexico is ruled by its people - it is a democracy.
When did Nepal become a democracy
Mexico has been a democracy where the citizens can elect a president and representatives since 2000.
Democracy
It didn't.
When did Nepal become a democracy
Israel was founded as a democracy in 1948.
USA, The Philippines, Mexico and others
Mexico