Mexico is ranked number 11th in the world and the third in America by the amount of its population, surpassed by countries like the United States of America and Brazil.
The Mexican population is 107.6 million, 50.9% are women and 49.1 % are men. This gives a ratio of 97 males per 100 females.
In 2009, life expectancy of Mexican population is 75.3 years; for women 77.6 and 72.9 for men.
Less than a third of the population are children and adolescents under 15 years (28.7%), youth (15 to 29 years) represent 27.2%, adults (30-59 years) 35.6% and those over 60 years, 8.5%.
While women in 1987 had 3.8 children on average, in 2009 the total fertility rate declined to 2.1 children per woman.
Until this year, eight entities concentrate a little more than half of the total population. The states with the greatest number of people are: the State of Mexico, with 14.8 million inhabitants and Mexico City with 8.8 million.
The population density in the country is 53 inhabitants per kmē; Mexico City has the highest, 5,871 inhabitants per kmē, and Baja California Sur the lowest, with, 7 inhabitants per kmē.
According to the 2005 Count, the five major metropolitan areas concentrated 30.2% of the inhabitants of the country: the Valley of Mexico provides a volume of 19.2 million people, followed by Guadalajara (4.1 million), Monterrey (3.7 million), Puebla-Tlaxcala (2.5 million) and Toluca (1.6 million).
In the sixties, the average annual growth rate was 3.4% and for 2005-2009 is 0.86%.
The international migration has a downward trend between the first quarter of 2008 to the first one of 2009; approximately 636,000 Mexicans changed their residence to another country.