Depends where you live. Most countries say 18.
18
When they are 18.
At the age of 18 you are considered an adult. You can join the arm forces, get married, sign a contract, buy a car, and get loans.
In south africa legal age to move from home is 16
18
for the first microscope
The age of majority, which is 18 in Oklahoma. Until then the parents are responsible.
In Alabama, the legal age to leave home without parental consent is 19 years old. However, a minor who is at least 18 and has graduated from high school can also leave home without parental consent.
In Georgia, the legal age to leave home without parental consent is 18. If a 17-year-old wishes to leave home before turning 18, they would need permission from their parents or legal guardians to do so.
In North Carolina, a child can legally leave home at age 18, which is the age of majority in the state. Until then, parents or legal guardians are responsible for the child's care and welfare.
The legal age to leave a parent's home without consent in Texas is 18 years old. At that age, individuals are considered adults and are legally able to make their own decisions regarding where they live.
In Texas, a minor can legally leave their parent's home at the age of 17 without their parent's permission. This is because the legal age of majority in Texas is 18.