This article analyzes the progress made on the political participation of women in Mexico, which, under equal conditions to that of men, is a fundamental aspect for living in a real democracy, understanding it as a system that guarantees human rights and as a method through which positions of power are covered, recognizing, as an essential principle, equality between men and women. The political participation of women opens the scene for social problems to be approached from a different perspective and thus find solutions. From gender quotas in the Mexican electoral system, raised since the 1990s, to the reform of the Constitution where gender parity is guaranteed in 2014, coupled with the struggle of organizations and the commitment of institutions, served as basis for, in 2018, as a result of the elections, Mexico occupies the fourth position worldwide in terms of the number of women in the Chamber of Deputies, and third position with respect to the Senate. A cross-sectional documentary investigation was carried out to find out the historical development from the first efforts to the current situation.