20.2% in America as of 2010
36 million out of 112 million (roughly 32%) of Mexican people are under 20 years of age.
Young; Mexico's median age is of 26.3 years (2009 est.)
33 percent are under the age of eighteen.
20
In 2016, the estimated total population was 323,127,513 and the population of those under 18 years of age was estimated to be 22.8%. That would mean in 2016 around 73,673,073 people in the United States were under 18 years old.
15
Rwanda has a relatively young population, with a median age of around 20 years old. The majority of the population is under 30 years old, indicating a significant youth bulge in the country.
45
Mexico has a death rate of 4.86 deaths by 1,000 people. The United Kingdom has a death rate of 9.33 deaths by 1,000 people. The UK has a higher death rate due to an aging population (most of these deaths are due to natural causes) which has a median age of 40 years. Mexico has a younger population with a median age of 27.1 years.
18 is the most common age. There are certain states however, where under special circumstances people of 16 years old can be married.
Because the population of Germany is aging faster than Mexico's; this means the German population is dying faster due to old age. The average age for Germans is 44.3 years, with more than 20% of its population (16.7 million) being at least 65 years old. On the other hand, the median age for Mexicans is 26.7 years, with only 6.2% of their population (6.94 million) reaching the threshold of 65 years.
The legal age to drink in Mexico is 18 years old.