When Does Child Support End? Age Limits by State (2026)

In most states, child support ends when the child turns 18. However, many states extend support to age 19 or 21 under certain circumstances, such as if the child is still in high school or attending college. About 15 states have provisions requiring parents to contribute to college expenses. Child support may also continue indefinitely for children with disabilities who cannot support themselves.

Use our child support calculator to estimate your current obligation, or read on for the complete state-by-state breakdown.

When Does Child Support End?

The general rule across the United States is that child support obligations end when the child reaches the age of majority, which is 18 in most states. At that point, the child is considered a legal adult, and the non-custodial parent's duty to provide financial support through the court order typically terminates.

However, this is far from a universal rule. Several important exceptions apply:

  • High school completion: Many states extend support to age 19 or until the child graduates from high school, whichever comes first. This prevents a child from losing support during their senior year.
  • College attendance: Approximately 15 states allow courts to order continued support while the child attends college, often until age 21 or 23.
  • Disability: Nearly all states provide for extended or indefinite support if the child has a physical or mental disability that prevents self-sufficiency.
  • Court agreement: Parents can voluntarily agree to extend support beyond the statutory age in a divorce settlement or separation agreement.
  • Emancipation: Conversely, support can end before 18 if the child becomes emancipated through marriage, military service, or a court order.

Child Support Age Limits by State

The following table shows when child support ends in all 50 states and the District of Columbia. The "General End Age" is when support terminates under standard circumstances. "College Extension" indicates whether the state can order support to continue for college expenses. Disability exceptions apply in nearly every state.

State End Age College Notes
Ends at Age 21
District of Columbia 21 No Ends at 21; or 19 if not in school
Indiana 21 Yes May extend to 21 for educational needs
Mississippi 21 No Age of majority is 21 in MS
New York 21 Yes Ends at 21; college support possible
Ends at Age 19
Alabama 19 No Age of majority is 19 in AL
Colorado 19 No 19 or high school graduation, whichever is later
Connecticut 18 Yes 19 if in high school; college support to 23
Nebraska 19 No Age of majority is 19 in NE
Ends at Age 18 (with Exceptions)
Alaska 18 No 19 if still in high school
Arizona 18 No 19 if still in high school
Arkansas 18 No Disability exception applies
California 18 No 19 if still in high school full-time
Delaware 18 No 19 if still in high school
Florida 18 No 19 if still in high school; disability exception
Georgia 18 No 20 if still in high school; disability exception
Hawaii 18 Yes May extend to 23 for college; agreement-based
Idaho 18 No 19 if still in high school
Illinois 18 Yes College support possible; non-minor support to completion
Iowa 18 Yes 19 if in high school; college support to 22
Kansas 18 No 19 if still in high school
Kentucky 18 No 19 if still in high school
Louisiana 18 No 19 if still in high school
Maine 18 No 19 if still in high school
Maryland 18 No 19 if still in high school
Massachusetts 18 Yes College support to 23; 21 if not in college
Michigan 18 No 19.5 if still in high school
Minnesota 18 No 20 if still in high school
Missouri 18 Yes 21 if in college or vocational school
Montana 18 No 19 if still in high school
Nevada 18 No 19 if still in high school
New Hampshire 18 Yes College support possible; varies by agreement
New Jersey 19 Yes College support to 23; no automatic end age
New Mexico 18 No 19 if still in high school
North Carolina 18 No 20 if still in high school
North Dakota 18 No 19 if still in high school
Ohio 18 No 19 if still in high school
Oklahoma 18 No 20 if still in high school
Oregon 18 Yes 21 if attending school (child must be enrolled)
Pennsylvania 18 No Disability exception; 18 or HS graduation
Rhode Island 18 No 19 if still in high school
South Carolina 18 No 19 if still in high school
South Dakota 18 No 19 if still in high school
Tennessee 18 No 19 if still in high school
Texas 18 No 19 if still in high school; indefinite for disability
Utah 18 Yes Expected high school graduation; agreement-based college
Vermont 18 No 19 if still in high school
Virginia 18 No 19 if still in high school full-time
Washington 18 Yes Post-secondary support possible to 23
West Virginia 18 No 20 if still in high school
Wisconsin 18 No 19 if still in high school
Wyoming 18 No 20 if still in high school; disability exception

Laws change frequently. Verify current rules with your state's child support enforcement agency or a family law attorney. Table reflects 2026 guidelines.

When Child Support Continues Past 18

While 18 is the most common termination age, there are several well-established circumstances where child support obligations continue beyond a child's 18th birthday.

College and Post-Secondary Education

Approximately 15 states have statutes allowing courts to order parents to contribute to their child's college or post-secondary education expenses. This can include tuition, room and board, books, and fees. In most of these states, the obligation continues until age 21 or 23, and the child must be enrolled full-time. The rationale is that in an intact family, parents would typically support a child through college, and divorce should not eliminate that expectation.

Disability and Special Needs

Nearly every state provides that child support may continue indefinitely if the child has a physical or mental disability that prevents them from becoming self-supporting. In some cases, support is ordered for the child's lifetime. This applies to conditions that existed before the child reached the age of majority and that make the child incapable of earning a living.

High School Completion

The majority of states extend child support until the child completes high school, even if they turn 18 before graduation. This ensures that a child who turns 18 during their senior year does not lose financial support before earning a diploma. The extension typically lasts until age 19 or 20, depending on the state.

Court Orders and Agreements

Parents can voluntarily agree to extend child support beyond the statutory termination age. If this agreement is incorporated into a divorce decree or separation agreement, it becomes enforceable by the court. Common agreements include supporting a child through college or until they achieve financial independence.

States That Require College Support

The following states have statutory provisions that allow or require courts to order child support for college-related expenses. Each state has its own rules regarding duration, conditions, and limits. To learn more about how much child support you may owe, including college contributions, use our free calculator.

Connecticut

Support may continue to age 23 for full-time students. Courts consider the child's academic performance, parents' financial resources, and available financial aid.

Illinois

Courts may order "non-minor support" for educational expenses. Contribution is divided between parents based on their ability to pay, with consideration of the child's resources.

Indiana

Support may extend to age 21 for educational needs. Courts may order contributions toward college expenses based on the parents' financial ability.

Iowa

Post-secondary education subsidy available to age 22. Covers tuition, books, and living expenses based on a state university cost standard.

Massachusetts

Support can continue to age 23 for children enrolled in an undergraduate program. The court considers the child's aptitude, ability, and the parents' financial resources.

Missouri

Support may continue to 21 if the child is attending college or vocational school. The child must be enrolled and making progress toward a degree.

New Jersey

No set termination age. Support continues until the child is emancipated, which courts may find does not occur until after college, typically around age 23.

New York

Support continues to age 21. Courts can order educational expenses as part of the support obligation, especially when previously agreed upon by parents.

Oregon

Child attending school may receive support until age 21. The child must be enrolled in school and making satisfactory academic progress.

Washington

Post-secondary support available until age 23. Dependent child must be enrolled in an accredited educational institution and the court evaluates the necessity.

How Child Support Ends

The mechanism for ending child support varies by state. Understanding how your state handles termination is critical to avoiding legal complications.

Automatic Termination

In some states, child support orders automatically terminate when the child reaches the specified age. The order itself contains a termination date, and payments simply stop. However, even in automatic-termination states, any unpaid arrears (back payments) remain enforceable and must be paid in full.

Petition Required

In many states, the paying parent must file a motion or petition with the court to officially terminate the child support order. Until the court issues a termination order, the obligation continues, even if the child has reached the age of majority. Failing to file can result in continued wage garnishment and accumulating debt.

Emancipation Events

Regardless of age, child support typically ends when the child becomes emancipated. Common emancipation events include: the child gets married, the child enlists in the military on active duty, the child is declared emancipated by a court, or the child dies. In most states, the paying parent must still petition the court to formally end the order, even after an emancipation event.

Can Child Support Be Extended?

Yes, child support can be extended beyond the standard termination age in many situations. Courts have discretion to extend support based on the circumstances of each case.

  • Special needs children: If a child has a developmental disability, serious mental health condition, or physical disability that prevents self-sufficiency, courts in virtually every state can extend support indefinitely. The parent seeking the extension typically must provide medical evidence of the child's condition.
  • Court discretion: Judges may extend support if doing so is in the best interest of the child. This is more common in states that give courts broad discretion over family law matters.
  • Parental agreement: If both parents agree to extend support, whether as part of a divorce settlement or a modification, the court will typically approve the agreement and make it part of the order.
  • Arrears enforcement: Even after the active obligation ends, the court retains jurisdiction to enforce any unpaid child support arrears. Back-owed child support does not expire with the child's age and can be collected through wage garnishment, tax refund intercepts, and other enforcement mechanisms.

How to Stop Child Support Payments

Stopping child support payments requires following proper legal procedures. Never simply stop paying child support without a court order, even if your child has reached the age of majority, has moved out, or is financially independent.

  1. Verify your state's termination rules. Check whether your state automatically terminates support at a certain age or whether you must file a motion. Your state's child support enforcement agency can provide this information.
  2. File a motion to terminate. If required in your state, file a motion with the family court that issued your child support order. Include documentation showing the child has reached the termination age or qualifying event (graduation, emancipation, etc.).
  3. Continue paying until the court issues an order. Until you receive a formal court order terminating your obligation, you are legally required to continue making payments. Unpaid amounts accumulate as arrears with interest.
  4. Resolve any arrears. If you owe back child support, the termination of your ongoing obligation does not erase the debt. You must pay all arrears in full or negotiate a payment plan with the court.
  5. Update your employer. Once you have a court order terminating support, provide a copy to your employer's payroll department so they can stop the income withholding.

Warning: Stopping child support payments without a court order can result in contempt of court charges, wage garnishment, driver's license suspension, passport denial, and even jail time. Always follow the legal process.

Frequently Asked Questions

At what age does child support end?

In most states, child support ends when the child turns 18. However, many states extend support to age 19 if the child is still in high school, and some states like New York and Mississippi extend support to age 21. About 15 states allow courts to order support through college, potentially extending the obligation to age 23.

Does child support end automatically at 18?

Not always. In some states, child support terminates automatically when the child reaches the age of majority. In other states, the paying parent must file a motion with the court to formally end the support order. Continuing to pay without filing a motion does not create a credit, and stopping without a court order can result in contempt charges.

Can child support continue after 18 if my child goes to college?

Yes, in approximately 15 states. States like Connecticut, Indiana, Iowa, Massachusetts, Missouri, New Jersey, New York, Oregon, Utah, and Washington have provisions allowing courts to order child support to continue while the child attends college, typically until age 21 or 23 depending on the state. The child generally must be enrolled full-time and making satisfactory academic progress.

Does child support end if the child gets a job?

Not automatically. A child earning income does not end child support. However, if the child becomes legally emancipated -- through marriage, joining the military, or a court order of emancipation -- child support obligations typically end regardless of age. Simply having a part-time or full-time job while under the age of majority does not constitute emancipation.

What happens to child support if my child has a disability?

Most states allow child support to continue indefinitely for adult children with physical or mental disabilities who cannot support themselves. The paying parent may need to continue support as long as the disability prevents the child from becoming self-sufficient. In some cases, support lasts for the child's entire life. The parent seeking extended support typically must provide medical documentation of the child's condition.

Can I just stop paying child support when my child turns 18?

No. Even if your child has reached the age of majority, you should not stop paying child support without a court order terminating your obligation. Unilaterally stopping payments can result in contempt of court, wage garnishment, license suspension, and other enforcement actions. File a motion to terminate support through the proper legal channels, and continue paying until the court issues an order.

Calculate Your Child Support

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Related Resources

Disclaimer: This page provides general information about when child support ends in each state and does not constitute legal advice. Child support laws vary by state and change frequently. The information in the state table reflects general guidelines as of 2026 and may not account for recent legislative changes. Individual circumstances -- including court orders, agreements between parents, and specific provisions in your state's law -- may affect when your child support obligation ends. For legal advice about your specific situation, consult a licensed family law attorney in your state.