In the United States someone legally becomes an when they turn 18 years old. At 18, .S. citizens can vote. They can also serve in military and go fight in wars for the . An 18-year old can also buy cigarettes and tobacco products, but 18-year-olds cannot buy alcoholic beverages. in the U.S. need to wait until they 21 to be able to do that.

At age of 18, people can legally live on own, work, and get married. However, turning 18 't mean everyone is ready to take on adult . At the age of 18, most people are graduating from high school. Many will go to . Some young people choose to go to college from their homes and live in dormitories. Others a college close to home and stay with parents to save money. Yet others will choose live on their own. Legally, a parent does have to provide for their child when the turns 18.

Some parents in the U.S. take very seriously and expect their children to move as soon as they turn 18. Some parents even forcibly kick their kids out when the turn 18. There tends to be some difference this depending on if the kid is female male. It is considered more acceptable for a to stay living with her parents after her birthday. Many females aren't expected to leave their ' house until they get married. There is still expectation for young men, however, to go out live independent lives as soon as they can. the economy of the U.S. struggling, some adult are returning to their parents' home in their and 30s. These are called boomerang kids, since a boomerang, they return where they came from.