SUI and SUTA are two names for the same tax. SUI (State Unemployment Insurance) describes the benefit program that pays workers who lose their jobs through no fault of their own, and SUTA (State Unemployment Tax Act) refers to the state law that requires employers to fund it. Whichever label your payroll software, tax notice, or accountant uses, the obligation is identical: a mandatory state-level payroll tax paid by employers into a state trust fund.
Why You See Both Terms
The dual vocabulary comes from the structure of the unemployment system itself. The Social Security Act of 1935 created a federal-state partnership rather than a single national program, and every state wrote its own unemployment tax statute with its own formal title.1Social Security Administration. Social Security Programs in the United States – Unemployment Insurance Some states and payroll vendors adopted “SUTA” because it parallels the federal FUTA (Federal Unemployment Tax Act). Others prefer “SUI” because it names the insurance fund the tax supports. A few states use different labels entirely, such as “reemployment tax.” On a wage report, a rate notice, or a payroll summary, all of these point to the same line item.
Who Actually Pays It
In nearly every state, this tax is entirely the employer’s responsibility. It does not come out of employee paychecks, and workers generally see no line item for it on their pay stubs. The money goes into a dedicated state trust account that funds unemployment benefits when claims are paid.
Three states are exceptions. In Alaska, New Jersey, and Pennsylvania, employees also contribute a small percentage of their wages toward the unemployment fund. Everywhere else, the full cost sits with the employer.
A boundary worth noting: if you employ a nanny, housekeeper, or other household worker, federal unemployment tax kicks in once you pay $1,000 or more in cash wages in any calendar quarter.2Internal Revenue Service. Publication 926 (2026), Household Employer’s Tax Guide State thresholds are separate and vary, so household employers need to contact their state unemployment agency directly for the dollar amount that triggers state filing.
How Your Rate Is Calculated
Your actual cost turns on two things: the taxable wage base your state sets, and the experience rating your business earns.
The Taxable Wage Base
Each state caps the amount of annual wages per employee that is subject to the unemployment tax. For 2026, the bases range widely: $7,000 per employee in states like Florida and California, up to $68,500 in Washington. Wages above the cap are not taxed. That means the same employer running the same payroll can face very different unemployment costs depending on where the workers are located, before the tax rate itself even enters the picture.
Experience Rating
States assign each employer an individual tax rate based on its own history of unemployment claims. When a former employee collects benefits, those charges are tracked against your account. A heavier claims history relative to your payroll pushes your rate up; a clean history brings it down. The exact formula varies. Some states use a reserve-ratio approach comparing benefits charged against total taxable payroll, while others measure your actual claims against the expected claims for your industry.
New employers do not yet have a claims history, so states assign a default rate that typically stays in place for roughly two to three years. After that, your state unemployment agency sends an annual notice with your recalculated rate for the coming year. Read that notice carefully. It is the single document that tells you what the tax will cost you next year.
How FUTA Fits Alongside the State Tax
The state tax operates in tandem with the Federal Unemployment Tax Act. FUTA imposes a 6 percent tax on the first $7,000 of wages paid to each employee per year.3Office of the Law Revision Counsel. 26 USC 3301 Rate of Tax Employers who pay their state unemployment taxes on time receive a credit of up to 5.4 percent against that federal rate, which drops the effective FUTA rate to 0.6 percent, or about $42 per employee per year.4Employment and Training Administration, U.S. Department of Labor. Unemployment Insurance Tax Topic In practical terms, paying your state tax on time is what keeps your federal tax small.
You owe FUTA if you paid wages of $1,500 or more in any calendar quarter, or if you employed at least one person for some part of a day in 20 or more different weeks during the current or preceding year.5Office of the Law Revision Counsel. 26 U.S. Code 3306 – Definitions
Credit Reduction States
When a state borrows from the federal government to pay unemployment benefits and does not repay the loan within two years, employers in that state lose part of the 5.4 percent FUTA credit. The reduction starts at 0.3 percent in the first year and grows by another 0.3 percent for each additional year the debt goes unpaid.6Internal Revenue Service. FUTA Credit Reduction For 2025, California employers faced a credit reduction of 1.2 percent and the U.S. Virgin Islands faced 4.5 percent, while Connecticut and New York avoided reductions by repaying their loans before the November 10 deadline.7Federal Register. Notice of the Federal Unemployment Tax Act (FUTA) Credit Reductions Applicable for 2025 Any extra FUTA liability from a credit reduction is treated as a fourth-quarter expense and paid when you file Form 940.
Filing Deadlines
State unemployment reports and payments are due quarterly. Exact dates vary slightly by state, but the standard schedule tracks the end of each calendar quarter:
- First quarter (January through March): due April 30
- Second quarter (April through June): due July 31
- Third quarter (July through September): due October 31
- Fourth quarter (October through December): due January 31
Most states now require or strongly encourage electronic filing of quarterly wage reports. Confirm your state’s method and any electronic mandate with your state agency.
FUTA works on a different rhythm. You deposit the tax electronically whenever your cumulative liability crosses $500 in a quarter; if it stays at or below $500, you roll it into the next quarter. Deposits go through EFTPS, IRS Direct Pay, or your IRS business tax account.8Internal Revenue Service. Instructions for Form 940 (2025) Form 940, the annual reconciliation, is due January 31, with an automatic extension to February 10 if you made all required deposits on time.
Can You Lower Your Rate
Some states offer voluntary contribution programs that let an employer pay extra into the unemployment trust fund to improve its experience rating and reduce its assigned tax rate. These programs run on tight deadlines, often in the first months of the year, and eligibility usually favors employers whose rates have jumped. Whether a voluntary contribution pays off depends on your expected payroll and how many years you will benefit from a lower rate before the arithmetic breaks even. Your state unemployment agency can tell you whether the option exists in your state and whether your account qualifies.