Your Marginal Tax Rate Is Not What You Pay on All Your Income
Just the Tip:
The US tax system is progressive. You pay each bracket’s rate only on the income that falls within it. In the 22% bracket, you don’t pay 22% on everything you earn, just the portion above the bracket line. Never turn down a raise out of fear of “jumping a bracket.”
That fear is called the bracket myth, and it costs people real money. Workers turn down overtime and hesitate over promotions because they believe one extra dollar of income will raise the tax on every dollar before it.
Federal income tax works like a staircase. Each bracket taxes only the slice of income between its floor and its ceiling. When a raise pushes you over a line, the higher rate applies to the dollars above that line and nothing else. Every dollar below keeps its old rate.
This is the gap between your marginal rate, the rate on your last dollar earned, and your effective rate, the share you pay across your whole income. Your effective rate always lands lower. Someone whose top dollars reach the 22% bracket pays far less than 22% overall, because the standard deduction taxes the first chunk of income at zero and the next chunks at 10% and 12%.
Run the math on a raise that crosses a line. Say the next bracket starts at $50,000, you earn $49,000, and you land a $2,000 raise. The first $1,000 is taxed at 12% and the second $1,000 at 22%, a total of $340. You pocket $1,660, and the tax on your original $49,000 does not change.
Your marginal rate still matters. It prices your decisions. A $1,000 deduction saves $220 in the 22% bracket, and extra income from a side gig gets taxed at that top rate, not your average.
The real cliffs sit outside the brackets. A few income-based credits and benefits cut off at hard thresholds, so check those before a big income jump. The brackets themselves never punish a raise. More gross pay always means more take-home pay.
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