STJ and Courts Confirm That Child Support Can Be Reduced When the Child Reaches Adulthood and Already Has Income, Easing Obligations for Divorced Parents.
Child support is one of the topics that generates the most discussions in the Brazilian Judiciary. In thousands of cases, fathers and mothers dispute amounts, deadlines, and conditions to maintain their children’s support after separation. By law, the obligation to pay child support arises from parental responsibility, which guarantees the right to food, health, education, leisure, and housing for minor children. But the big question arises when children reach adulthood: does the obligation remain or can it be reduced?
In recent years, courts and the Superior Court of Justice (STJ) have made important decisions that alleviate the situation for many parents, especially when the child is already capable of supporting themselves.
Adulthood Does Not Automatically End Child Support
An essential point is to understand that adulthood, by itself, does not extinguish the obligation to support. Turning 18 does not mean that the child no longer has the right to support, as they may still be studying, unemployed, or in vocational training.
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However, if the child already has a steady job, paid internship, or another source of income, the courts have considered the reduction or even exemption from child support to be legitimate.
Decisions That Set Legal Precedents
The STJ, in several rulings, reinforced that child support can be revised or terminated when the child’s financial independence is proven.
- REsp 1.234.933/DF: The court ruled that the payment of support cannot be indefinite when the child is already working and has the ability to provide for their own needs.
- AgRg no REsp 1.215.911/RS: The court understood that, once adulthood is reached and independent income is proven, the child should cover their own expenses.
- Decisions in state courts, such as TJ-SP and TJ-MG, have also followed this line, reducing or terminating support in cases where adult children are employed.
What Courts Evaluate
For child support to be reduced or terminated, courts assess factors such as:
- If the child has a job or paid internship.
- Whether they have completed their academic education or not.
- The level of income achieved.
- The evidence that there is no longer significant financial dependency.
Thus, each case is analyzed individually, but the trend of the jurisprudence is clear: if there is independence, there is no reason to maintain the same support amount.
The Impact on Parents
The decision represents financial relief for thousands of parents who, after divorce, continue to support children who could already manage their own expenses.
In many cases, child support takes up a significant portion of the payor’s income, who must maintain a new family or handle other financial obligations.
With the understanding of the STJ, parents can file a revision action to request a reduction in child support, proving the child’s financial independence.
The Child’s Right Continues
Despite this, it is important to highlight that a reduction does not mean abandonment. The law continues to protect children who still rely on support to complete their education or enter the job market.
What the courts seek is to balance the obligation with reality: to maintain support when there is real dependency and reduce it when the child is already able to stand on their own.
Practical Examples
- A law student who is already interning at a law firm with a significant scholarship may have their support reduced.
- A 22-year-old child, graduated and working with a formal employment contract, is unlikely to have the right to full maintenance of support.
- On the other hand, a 19-year-old who has entered college and depends on parental support, even if they are of legal age, will remain protected by the institution.
What the Law Says
The Civil Code, in article 1.694, provides that support must be established in proportion to the needs of the claimant and the resources of the obligated person.
Article 1.699 allows for the revision of support whenever there is a change in the situation of the payer or the receiver. It is based on these provisions that courts authorize reductions when the child reaches adulthood and obtains their own income.
The trend is for more cases to reach the STJ, consolidating jurisprudence in favor of revision. In a country where unemployment and the high cost of living still affect millions of families, decisions that balance rights and duties are essential.
The challenge remains the same: to ensure justice without perpetuating unnecessary obligations.
Child Support After Adulthood: An Obligation That Adapts to Reality
Recent court decisions make it clear that child support is not a lifetime sentence for the father or mother. It should exist while there is real dependency, but loses its purpose when the child has already achieved financial autonomy.
Thus, jurisprudence paves the way for thousands of parents to seek relief in court, without neglecting their duty to ensure dignity and opportunities for their children during the time they need it most.

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