In the United States, a child reaches adulthood at the age of 18.

Originally, the age of adulthood in Japan was 20, but it has since been reduced to 18.

In Judaism, young men reach adulthood at the age of 13 when they celebrate their Bar Mitzvah.

James thought that reaching adulthood would be fun, but when faced with the added responsibility of bills and a job, he wished he could be a child again.

Legally, adulthood in the United States begins at 18 when individuals are able to vote, but most people don’t consider themselves as adult until they reach drinking age at 21.