Glossary · Tax

Supplemental Wages

Bonuses and equity taxed at flat federal rate.

Definition

Supplemental wages — bonuses, RSU vests, commissions — are taxed at a flat US federal rate of 22% (or 37% for amounts over $1M), often less than your marginal rate.

How SalaryScopePro uses this term

We surface supplemental wages across salary results, occupation pages, city pages, and Premium Reports — with consistent definitions and methodology. See methodology and data sources for how the underlying numbers are computed.