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What is the age of maturity? When does my teen reach the legal age of maturity?

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The 'Age of maturity' is a legal term for the age of when a child reaches adulthood and has all of the rights and privileges of an adult. At this age, your teen is considered an adult under the law - both federal and state - and is legally responsible for their own actions.

In the United States, the age of maturity is determined by the state or territory in which the family resides. In most cases, this age is 18. But there are some notable exceptions, which are listed in the table below. For federal purposes however, it is 18 years of age. For example, all 18-year-old young adults in the United States are eligible to vote.

Age of Maturity in the United States

Alabama 19
Alaska 18
Arizona 18
Arkansas 18
California 18
Colorado 18
Connecticut 18
Delaware 18
District of Columbia 18
Florida 18
Georgia 18
Hawaii 18
Idaho 18
Illinois 18
Indiana 18
Iowa 18
Kansas 18
Kentucky 18 and graduated from high school if still attending until the age of 19.
Louisiana 18
Maine 18
Maryland 18
Massachusetts 18
Michigan 18
Minnesota 18
Missouri 18
Mississippi 21
Montana 18
Nebraska 19
New Hampshire 18
New Mexico 18
Nevada 18 and graduated from high school if still attending until the age of 19.
New Jersey 18, for most purposes
New York 18
North Carolina 18
North Dakota 18
Ohio 18 and graduated from high school if still attending until the age of 19.
Oklahoma 18
Oregon 18
Pennsylvania 18
Rhode Island 18
South Carolina 18
South Dakota 18
Tennessee 18 and graduated from high school if still attending until the age of 19.
Texas 18
Utah 18 and graduated from high school if still attending until the age of 19.
Vermont 18
Virginia 18 and graduated from high school if still attending until the age of 19.
Washington 18
West Virginia 18
Wisconsin 18 and graduated from high school if still attending until the age of 19.
Wyoming 18
American Samoa 18
Guam 18
Northern Marianas Islands 18
Puerto Rico 14
U.S. Virgin Islands 14
Sources: YouthRights.net and State Websites; May 9, 2011

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