The most persistent myth in personal finance is that earning more money can put you in a higher tax bracket and leave you worse off. This is flatly wrong, and understanding why requires knowing the difference between marginal and effective tax rates. The U.S. uses a progressive tax system — your income is taxed in layers, not all at one rate.
Here are the 2026 federal tax brackets for single filers: 10% on income up to $12,400, 12% on $12,401–$49,850, 22% on $49,851–$106,450, 24% on $106,451–$203,300, 32% on $203,301–$258,550, 35% on $258,551–$640,600, and 37% on everything above $640,600. Each bracket only applies to the dollars that fall within its range — not your entire income.
Let’s walk through real examples. On a $50,000 salary (after the $16,100 standard deduction, taxable income is $33,900): you pay 10% on the first $12,400 ($1,240) and 12% on the remaining $21,500 ($2,580). Total federal tax: $3,820. Your effective rate is just 7.6% — far below the 12% bracket you’re ‘in.’ On $75,000 (taxable: $58,900): $1,240 + $4,494 + $1,991 = $7,725, an effective rate of 10.3%.
At $100,000 (taxable: $83,900): you pay through three brackets — $1,240 + $4,494 + $7,491 = $13,225. Effective rate: 13.2%. At $150,000 (taxable: $133,900): you push into the 24% bracket, paying $1,240 + $4,494 + $12,452 + $6,588 = $24,774. Effective rate: 16.5%. Notice how the effective rate always lags well behind the marginal bracket — that’s the progressive system working as designed.
The ‘I’ll earn less if I get a raise’ myth falls apart immediately with these numbers. If you earn $106,450 (the top of the 22% bracket) and get a $10,000 raise, only that extra $10,000 is taxed at 24% — your first $106,450 is taxed exactly the same as before. Your raise nets you $7,600 after federal tax. You always keep the majority of every raise.
Your effective tax rate is the number that actually matters for financial planning, not your marginal bracket. A single filer earning $100,000 has a 13.2% effective federal rate. Add FICA (7.65%) and you’re at about 21% total federal burden — meaning you keep roughly 79 cents of every dollar before state taxes. Use our calculator to see your exact effective rate and take-home pay for any salary in any state.