The article also lists the most important political leaders during the year at both federal and state levels and includes a brief year-end summary of major social and economic issues.

126,577,691 inhabitants with a life expectancy of 75.1 years (#66 in the world), according to the Consejo Nacional de Población (National Population Council).

[497] The first semester (January—June) of 2019 is the most violent in history, with 17,608 murders, an average of 102.6 daily.

[522] June was the most violent month in Mexican history, with 2,249 murders.

[523] A report published October 24, 2019, by El Economista shows that Nuevo León (54%), Sinaloa (41%), and Morelos (40%) are the states with the greatest increases in murder rates during the period July–September 2019.