Wisconsin Child Support Modification
When and how a Wisconsin child support order can be reviewed and changed.
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Threshold
15%
change in circumstances
Review cadence
~3 yrs
standard review window
Age of majority
18
Standard termination
Common reasons to modify
- Material change in either parent's income (typically ≥15%)
- Significant change in custody schedule or overnights
- Job loss, disability, or new dependents
- Changes to childcare or healthcare costs
- A child reaching Wisconsin's age of majority
Understanding the rules can improve confidence — and the process is often simpler than it sounds.
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