Estimate monthly child support payments in Arizona using the state's Income Shares formula. Updated for 2026 guidelines.
Arizona Child Support Guidelines use combined adjusted gross income with credit for parenting time over 100 overnights.
| Children | Percentage of Combined Income |
|---|---|
| 1 Child | 20% |
| 2 Children | 30% |
| 3 Children | 36% |
| 4 Children | 40% |
| 5+ Children | 43% |
In Arizona, if a parent is voluntarily unemployed or underemployed, the court may impute income based on the parent's earning capacity, work history, education, and local job market conditions. Under the income-shares model, both parents' incomes are considered to determine the total child support obligation.
The Arizona child support enforcement agency handles establishing, modifying, and enforcing child support orders. They can assist with locating non-custodial parents, establishing paternity, and collecting past-due support through wage garnishment, tax intercepts, and other enforcement tools.
Arizona Child Support Enforcement Agency →
See how Arizona's child support guidelines compare with neighboring states.
| State | Model | 1 Child | 2 Children | 3 Children |
|---|---|---|---|---|
| Arizona | Income Shares | 20% | 30% | 36% |
| California | Income Shares | 20% | 30% | 37% |
| Nevada | Percentage | 18% | 25% | 29% |
| Utah | Income Shares | 21% | 31% | 37% |
| New Mexico | Income Shares | 19% | 29% | 35% |
| Colorado | Income Shares | 20% | 30% | 36% |
Get accurate child support calculations and protect your rights under Arizona law.
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