Every paycheck, purchase, and payday comes with some kind of tax attached. Here's how the different kinds actually work, and why landing in a higher bracket never taxes your whole income at that rate. General information, not personalized tax advice.
A lot of people think landing in a higher tax bracket means your entire income suddenly gets taxed at that rate. It doesn't work that way. Federal income tax is progressive, which just means it's split into brackets, and each bracket only taxes the slice of income that falls inside it. Everyone, no matter how much they make, pays the same 10% on their first stretch of taxable income. Only the income above each threshold moves up to the next rate.
Here's what that looks like in practice, using the 2026 brackets for a single filer earning $70,000 a year. After the $16,100 standard deduction, taxable income comes to $53,900. That amount passes through three brackets: the first $12,400 taxed at 10%, the next stretch up to $50,400 taxed at 12%, and the remaining $3,500 taxed at 22%.
Zoom out across different incomes and the same pattern holds at every level: the marginal rate jumps in sharp steps at each bracket threshold, while the effective rate climbs slowly and smoothly, and always stays below it. A single filer earning $30,000 has a 12% marginal rate but only pays about 4.7% of it in federal tax overall. Someone earning $200,000 has a 24% marginal rate, but their effective rate is only about 18.4%, because every dollar below their top bracket was still taxed at the lower rates that applied to it.
Most states charge their own income tax on top of the federal one, generally following the same bracket idea, just with different rates and thresholds. Nine states, Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, and Wyoming, don't tax earned income at all, which is one reason take-home pay for the same salary can look different depending on where you live. The states that do tax income vary widely in how much they take at the top: a few examples below.
Every paycheck also gets hit with payroll taxes before income tax even comes into it. Social Security takes 6.2% of your wages, but only up to a cap ($184,500 in 2026); earn more than that and the extra isn't taxed for Social Security. Medicare takes 1.45% of every dollar with no cap at all, plus an extra 0.9% once you're above $200,000 (single) or $250,000 (married). Together, these are usually called FICA. On the same $70,000 salary from the example above, FICA alone takes $5,355 (6.2% plus 1.45%, both well under the Social Security cap), before a single dollar of income tax is even calculated.
Sales tax gets added at checkout, not on your paycheck. Rates vary a lot: the average combined state and local rate is about 7.53%, five states (Alaska, Delaware, Montana, New Hampshire, and Oregon) charge none at all, and Louisiana's combined rate tops 10%. Since everyone pays the same rate regardless of income, sales tax takes a bigger bite out of a lower income than a higher one. At the average rate, a $50 purchase costs $53.77 at the register, an extra $3.77 that doesn't show up on the price tag.
Own a home, and your local government taxes it every year, calculated as its assessed value times a local rate. The national average effective rate is about 0.888% of a home's value, though it varies a lot by county. This money mostly funds schools and local services, not the federal government. A $300,000 home at that average rate owes about $2,664 a year, roughly $222 a month if it's rolled into a mortgage payment.
Sell an investment for more than you paid, and capital gains tax applies to the profit, not the whole sale amount. Hold it over a year and the long-term rate applies: 0%, 15%, or 20%, depending on your income. Sell within a year instead, and the gain is taxed as regular income, at your ordinary tax rate, which is usually higher. Say you bought $10,000 of stock, held it two years, and sold it for $15,000. The $5,000 profit is what's taxed, not the full $15,000; at the 15% long-term rate, that's $750 owed, leaving $14,250 in your pocket.
Gas, alcohol, and tobacco all carry a federal excise tax that's a fixed amount per gallon, per barrel, or per pack, not a percentage of the price. That means the tax stays the same whether you buy the cheapest option or the priciest one, and it's already baked into the price you see on the shelf or at the pump, not added on top at checkout.
Many states add their own excise taxes on top of the federal ones, especially on gas and cigarettes, so the actual amount baked into a purchase is often higher than the federal rate alone.
A single paycheck already has federal income tax and FICA payroll taxes taken out before it hits your bank account. Spend that money, and sales tax, plus excise tax on certain goods, adds a bit more at checkout. Own a home, and property tax adds an annual bill. Sell an investment for a profit, and capital gains tax takes a cut of just the gain. None of these taxes are unusual or arbitrary. They're different tools funding different things, the federal government, your state, and your local government, and each one is calculated its own way.
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This page explains how these taxes generally work; it isn't tax advice, and actual brackets, rates, and rules change over time and vary by state and situation. Check current IRS and state guidance, or a tax professional, for the numbers that actually apply to you.