According to census.gov, the 2007 population estimate of people 18 years of age and older in the US is 225,081,715 which is 75.3% of the US' total population.
12 (approx)
On April 1, 2010, Colorado had 1,225,609 people, 24.4% of the total population of 5,029,196, who were under the age of 18 (not counting preborn people).
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.
In 1990 there were 1.3 billion women of childbearing age out of 7 billion people in the world. That's a little over 18%.
Not until they are age 18 or older. Males age 18 and over are allowed to join GSUSA as adult members.
about 9% of the 225 million people over 18 including, state, federal and local governments.
The population of Australia all together is about 23,581,222 people. About two thirds of this population are people that are over the age of 18.
200000000
i know few who play and are over 18. While there are many people under age for the game no statistics are available beyond someones estimate.
12,336,038 people in Florida are old enough to vote.
That is a question to ask the U.S census comititee
Approximately 33% of Americans over age 18 have a tattoo.
Many begin college at the age of 18.
People over the age of 18 who are registered to vote and are registered citizens of the US.
2
People over the age of 18 who are registered to vote and are registered citizens of the US.
People who are residents of the specific country and who are over 18 years of age.
It was 18 and over for many years. There are junior competitions where the minimum age is (I think) 12.