45
33 percent are under the age of eighteen.
26 Percent
According to the US census bureau of 301,461,533 people in the 10-14 age group it is only 6.8% of the population.
Approximately 30% of the world's population is under the age of 18.
33
It is estimated that around 40-45% of the population in the American colonies in 1775 was under the age of 16. This percentage varied depending on the region and demographic composition at that time.
About 83% of South Korea's population is classified as being under the age of 65. This means that the population of South Korea is in a situation to double in the next 40 years.
As of 2020, around 16.6% of Iowa's population is 65 years old or older.
According to census.gov, 14.0% of the total population of Arkansas is age 65 and older.
Approximately 19% of Pennsylvania's population is age 65 and older.
Approximately 21% of the population of Maine is aged 65 and older.
Approximately 18.8% of Vermont's population is age 65 and older.