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Monetary Standards Across the U.S.

How child-support formulas and financial assumptions differ nationwide — and why Michigan’s system is falling behind.

Child-support formulas across the United States vary widely; some states have updated financial assumptions to reflect modern families, while others — including Michigan — still rely on outdated models created decades ago. This page provides a national comparison of monetary standards and their impact on Michigan families.

States Updating Their Financial Assumptions

A small number of states have begun modernizing child-support formulas to reflect dual-income households, modern childcare costs, updated tax structures, shared-parenting arrangements, and realistic housing expenses.

Arizona

Adjusted formulas to better reflect shared parenting.

Florida

Updated financial assumptions alongside equal-time reforms.

Utah

Modernized enforcement and streamlined financial processes.

Kentucky

Reviewing financial guidelines to align with equal parenting.

Note that even these states are not fully modernized, but ahead of Michigan.

States Still Using Outdated Financial Models

Most states — roughly 40+ — still use old income formulas, outdated tax assumptions, outdated childcare assumptions, outdated housing-cost assumptions, enforcement systems built decades ago, and formulas tied directly to parenting-time percentages. These outdated systems create conflict, instability, and financial hardship for families.

Where Michigan Stands

Michigan’s child-support formula is based on 1970 parenting assumptions, 1980s financial models, outdated enforcement structures, a system that ties money directly to overnights, no trauma-aware financial considerations, no modernized cost-of-living adjustments, no recognition of dual-income realities, and no statewide consistency. Michigan’s financial standards are among the most outdated in the nation.

Why This Matters

Outdated monetary standards increase conflict, encourage litigation, create financial instability, harm children, punish shared parenting, disproportionately impact low-income families, and fail to reflect modern economic realities.

Michigan families deserve financial standards that reflect 2026, not 1970.

Michigan Families Deserve Better

It’s time for modern, fair, realistic child-support standards.

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