What is State Unemployment Insurance Tax?
State Unemployment Insurance (SUI) tax is a payroll tax paid by employers to fund unemployment benefits for workers who lose their jobs through no fault of their own. Rates vary by state and by each employer's "experience rating" — typically 0.1% to over 10% of wages. Most states apply the tax to the first $7,000 to $52,700 of each employee's annual wages.
SUI taxes fund the weekly stipends paid to eligible workers who are laid off. These unemployment benefits typically last up to 26 weeks while the person searches for new work, though some states offer extended benefits during periods of high unemployment.
Generally, only employees who are laid off or lose available work qualify for unemployment benefits. Workers who voluntarily quit or are fired for misconduct typically don't receive benefits unless their situation meets specific state conditions. If you believe a former employee's unemployment claim is ineligible, your company can challenge the claim through your state's unemployment agency.
What's the Difference Between FUTA and SUI Tax?
The U.S. unemployment insurance system is funded at both the federal and state levels through two separate taxes: FUTA and SUI.
Federal Unemployment Tax (FUTA)
Under the Federal Unemployment Tax Act, employers pay 6% on the first $7,000 each employee earns annually. This $7,000 threshold—called the taxable wage base—has remained unchanged since 1983.
The good news: employers who pay SUI taxes in full and on time typically receive a 5.4% credit against their FUTA obligation, reducing the effective FUTA rate to just 0.6% (or $42 per employee).
2025-2026 FUTA Credit Reductions
Some states carry outstanding federal loans to cover unemployment benefits and face reduced FUTA credits. For tax year 2025 (due in January 2026):
- California: 1.2% credit reduction, raising the effective FUTA rate to 1.8% (up to $126 per employee)
Connecticut and New York paid off their federal loans by November 10, 2025, avoiding credit reductions for the 2025 tax year. New York employers will see approximately $100 in savings per employee in 2026 as a result.
State Unemployment Insurance Tax (SUI)
In addition to FUTA, employers pay SUI taxes to their state. State tax rates vary significantly (from 0% to over 15%) based on your industry, business history, and state regulations. Each state also sets its own taxable wage base, which ranges from $7,000 (matching FUTA) to over $78,000.
Who Pays State Unemployment Insurance Tax?
If your startup pays FUTA taxes, you'll likely also pay SUI taxes. According to the IRS, state unemployment taxes apply to companies that meet at least one of these conditions:
- Hire one or more employees who work 20 or more different weeks in the current or previous year
- Pay at least $1,500 in wages in any calendar quarter during the current or previous year
In nearly all states, employers are solely responsible for SUI contributions. However, employees in Alaska, New Jersey, and Pennsylvania must also make SUI contributions, which are withheld from their paychecks.
Common Exemptions
Certain organizations are generally exempt from SUI taxes, including:
- Government employers
- Educational institutions
- Religious nonprofit organizations
- Charitable organizations (501(c)(3) entities)
Additionally, if you hire family members (parents, spouse) or employees under age 21, their wages may be exempt from state unemployment taxes. These exemptions vary by state, so consult your state's unemployment insurance agency or a tax advisor for specifics.
How to Calculate Your SUI Tax
Your SUI tax liability depends on two factors: your tax rate and your state's taxable wage base.
Understanding Your Tax Rate
A company's SUI tax rate is based on:
- Industry classification: Some industries (like construction) face higher rates
- Years in business: New employers receive a standard "new employer rate"
- Experience rating: Your history of unemployment claims affects your rate over time
Since new employers have no claims history, states assign a standard new employer rate, typically between 2% and 4%. After 2-3 years of building contribution history, you'll be assigned an experience-based rate that reflects your actual claims activity.
Calculating Your SUI Liability
SUI Tax = Tax Rate × Taxable Wages (up to the wage base)
Example: Your startup is headquartered in New York and hires its first employees in 2026. Assuming all employees earn above the state's wage base:
- New York's 2026 wage base: $13,000
- New employer rate: 4.1%
4.1% × $13,000 = $533 per employee
Your startup would owe $533 in SUI taxes annually for each employee.
Multi-State Considerations
If your team works remotely across multiple states, you must calculate and pay SUI taxes in each state where your employees work. According to industry research, multi-state compliance is 340% more complex than single-state operations, and compliance errors cost companies an average of $1.2 million annually.
2026 SUI Tax Rates and Wage Bases by State
The following table shows new employer rates (for non-construction businesses), experience rate ranges for established employers, and 2026 taxable wage bases. Data compiled from PayrollOrg, Ballotpedia, state agency announcements, and Nextep.
If your startup must pay SUI taxes in multiple states, use this chart to help you estimate your tax liability for each one.
| State | New Employer Rate | Experience Rate Range | 2026 Taxable Wage Base |
|---|---|---|---|
| Alabama | 2.7% | 0.20%-6.80% | $8,000 |
| Alaska | 1.0% | 1.00% - 5.40% | $51,700* |
| Arizona | 2.0% | 0.04% - 9.72% | $8,000 |
| Arkansas | 1.8% | 0.1% - 10.0% | $7,000* |
| California | 3.4% | 1.5% - 6.2% | $7,000 |
| Colorado | 3.05% | 0.64% - 12.34% | $30,600 |
| Connecticut | 2.2% | 0.1% - 10.0% | $27,000 |
| Delaware | 1.0% | 0.3% - 5.4% | $14,500 |
| District of Columbia | 2.7% | 1.0% - 7.40% | $9,000 |
| Florida | 2.7% | 0.1% - 5.4% | $7,000 |
| Georigia | 2.7% | .06% - 8.1% | $9,500 |
| Hawaii | 2.4% | 2.4% - 5.6% | $62,000* |
| Idaho | 1.0% | 0.23% - 5.4% | $55,300* |
| Illinois | 3.65% | 0.75% - 7.85% | $15,000* |
| Indiana | 2.5% | 0.5% - 11.2% | $9,500 |
| Iowa | 1.0% | 0.0% - 5.4% | $20,400 |
| Kansas | 1.75% | 0.00% - 6.65% | $15,100 |
| Kentucky | 2.7% | 0.3% - 9.0% | $12,000 |
| Louisiana | Varies by Industry | 0.09% - 6.2% | $7,000 |
| Maine | 2.41% | 0.3% - 7.5% | $12,000 |
| Maryland | 2.6% | 0.3% - 7.5% | $8,500 |
| Massachusettes | 2.13% | 0.83% - 12.65% | $15,000 |
| Michigan | 2.7% | 0.06% - 10.3% | $9,500* |
| Minnesota | Varies by Industry | 0.4% - 8.9% | $43,000* |
| Mississippi | 1.0% | 0.0% - 5.4% | $14,000 |
| Missouri | 2.376% | 0.0% - 6.0% | $9,000 |
| Montana | Varies by State | 0.0% - 6.12% | $45,100* |
| Nebraska | 1.25% | 0.0% - 5.4% | $9,000 - $24,000 |
| Nevada | 2.95% | 0.25% - 5.4% | $43,700 |
| New Hampshire | 2.7% | 1.0% - 7.0% | $14,000 |
| New Jersey | 3.1% | 0.5% - 5.8% | $44,800 |
| New Mexico | 1.0% | 0.33% - 5.4% | $33,200* |
| New York | 4.1% | 0.0% - 8.9% | $13,000 |
| North Carolina | 1.0% | 0.06% - 5.76% | $32,600* |
| North Dakota | 1.03% - 6.09% | 0.08% - 9.69% | $45,100* |
| Ohio | 2.7% | 0.5% - 10.2% | $9,000 |
| Oklahoma | 1.5% | 0.3% - 9.2% | $25,000 |
| Oregon | 2.4% | 0.9% - 5.4% | $56,700* |
| Pennsylvania | 3.82% | 1.42% - 10.37% | $10,000 |
| Rhode Island | 1.21% | 1.1% - 9.7% | $29,800* |
| South Carolina | 0.35% - 1.0% | 0.06% - 5.46% | $14,000 |
| South Dakota | 1.2% | 0.0% - 8.8% | $15,000 |
| Tennessee | Varies By State | 0.01% - 10.0% | $7,000* |
| Texas | 2.7% | 0.25% - 6.25% | $9,000 |
| Utah | Varies By State | 0.2% - 7.2% | $9,000 |
| Vermont | 1.0% | 0.4% - 5.4% | $15,400 |
| Virginia | 2.5% | 0.1% - 6.2% | $8,000 |
| Washington | Varies By State | 0.27% - 8.15% | $78,200 |
| West Virginia | 2.7% | 1.5% - 8.5% | $9,500 |
| Wisconsin | 3.05% | 0.0% - 12.0% | $14,000 |
| Wyoming | Varies By State | 0.0% - 8.5% | $33,800 |
* 2026 wage base not yet confirmed as of December 2025; 2025 figure shown. Visit your state's Department of Labor for the latest information.
Key 2026 Changes to Watch
- Washington leads the nation with the highest wage base at $78,200—a $5,400 increase from 2025
- Iowa significantly lowered its wage base from $39,500 to $20,400 following legislative changes establishing new rate tables
- New York employers benefit from the state paying off its federal UI loan, eliminating the Interest Assessment Surcharge and saving approximately $100 per employee in 2026
- California remains on its highest rate schedule ("F") with a 15% solvency surcharge, contributing to elevated employer costs
- New Jersey transitions from Column D to Column C rates (0.5% – 5.8%) effective July 2025, providing employer relief
- Colorado, Connecticut, Delaware, Kansas, Nevada all increased wage bases for 2026
How to Register Your Startup as a New Employer
Before you can file and pay SUI taxes, you must register your business with each state's unemployment insurance agency. If you have employees working in multiple states, you'll need separate registrations for each state.
Registration Process
- Visit your state's Department of Labor website or unemployment agency portal
- Complete the employer registration form, providing:
- Your Employer Identification Number (EIN)
- Business structure and formation details
- Expected number of employees
- Industry classification (NAICS code)
- Receive your employer account number and new employer tax rate
Some states require you to register before you make your first hire. Check your state's requirements at the U.S. Department of Labor's state directory before posting job listings.
How to File and Pay SUI Tax
Employers typically file and pay SUI taxes quarterly. Due dates fall on the last day of the month following each calendar quarter:
| Quarter | Period | Due Date |
|---|---|---|
| Q1 | January - March | April 30th |
| Q2 | April - June | July 31st |
| Q3 | July - September | October 31 |
| Q4 | October - December | January 31 |
Filing Requirements
The specific forms and filing methods vary by state. Most states allow (or require) electronic filing through their online employer portals. You'll typically need to report:
- Total wages paid during the quarter
- Taxable wages (up to the wage base) for each employee
- Number of employees
- SUI tax owed
In states where employees contribute to unemployment insurance (Alaska, New Jersey, Pennsylvania), you'll withhold these amounts from employee paychecks and remit them alongside your employer contributions.
What Happens If You Miss a SUI Tax Deadline?
Failing to pay SUI taxes on time results in penalties and interest charges that vary by state. The IRS also applies penalties for late FUTA payments, which is typically 5% of the unpaid tax per month for late filing, plus 2-15% penalties for late payment. These penalties compound quickly, making timely compliance essential for cash-strapped startups.
Put Your State Taxes on Autopilot with Warp
Managing SUI taxes across multiple states is a time-consuming headache, especially for growing startups adding employees in new locations. Every new state means another registration, another filing schedule, and another set of rules to track.
Warp eliminates this complexity by automating your state payroll tax compliance end-to-end. Here's how:
Automatic State Registrations
When you add an employee in a new state, Warp automatically opens the necessary state tax accounts on your behalf, including your unemployment insurance account. You'll never need to navigate another state government website to get a withholding ID or SUI employer number.
Automated Tax Filings
Warp prepares and files all recurring payroll tax forms for you, including quarterly SUI reports, federal Form 941s, and annual W-2/1099 filings. Founders no longer need to track filing deadlines across every state where they have employees.
Tax Notice Resolution
If a tax notice or discrepancy arises, Warp handles it. The platform resolves 80% of tax notices instantly by working directly with state agencies so you can focus on building your business instead of fielding calls from the Department of Labor.
Built for Multi-State Startups
Unlike legacy payroll tools designed for single-location small businesses, Warp is purpose-built for venture-backed startups hiring across the country. The platform automates the compliance that other solutions don't handle, including state tax registrations, unemployment insurance, annual reports, and ongoing notices.
As one founder described it: "Warp gives me peace of mind. I don't have to worry about compliance or tax notices. I've gotten back so much time from not having to worry about different state tax agencies or changes in regulations."
Ready to stop worrying about SUI compliance? Request a demo to see how Warp can save you 6+ hours per month on payroll administration.
Frequently Asked Questions
Why am I paying SUI tax?
If you're an employer, you pay SUI tax to fund your state's unemployment insurance program, which provides temporary income replacement to workers who lose their jobs. If you're an employee seeing "SUI" on your paycheck, you're probably in one of the three states where employees also contribute: Alaska, New Jersey, or Pennsylvania. In every other state, only employers pay.=
Is SUI the same as FUTA?
No. FUTA (Federal Unemployment Tax Act) is the federal unemployment tax: 6.0% on the first $7,000 of wages, though most employers qualify for a 5.4% credit and effectively pay 0.6%. SUI is the state-level version, with rates and wage bases set by each state. Both fund unemployment benefits, but they're separate taxes with separate filings. Note that employers in "credit reduction" states (states that haven't repaid federal UI loans) may owe additional FUTA, raising their effective rate above 0.6%.
What does SUI stand for?
SUI stands for State Unemployment Insurance. You may also see it referred to as SUTA (State Unemployment Tax Act) or UI (Unemployment Insurance). They're different names for the same thing.
Who pays SUI — employer or employee?
In 47 states, only the employer pays SUI. The three exceptions are Alaska, New Jersey, and Pennsylvania, where employees also contribute a small percentage through payroll deductions. For 2026, employee SUI rates in those states are: Alaska 0.50% (on $54,200), New Jersey 0.3825% (on $44,800), and Pennsylvania 0.07% (on $10,000).
What is SUI on my paycheck?
If you live in Alaska, New Jersey, or Pennsylvania, the "SUI" line on your paycheck is your employee contribution to the state unemployment insurance fund. In other states, SUI is paid entirely by your employer and doesn't appear on your pay stub.
How is my SUI rate determined?
Your SUI rate depends on two things: your state's base rate schedule and your company's "experience rating." New employers get a standardized starting rate (usually 1.0% to 4.0%, depending on the state and industry). After a few years, your rate is adjusted annually based on how many former employees filed unemployment claims against your account. Layoffs raise your rate; stable employment lowers it.
Last updated: April 2026. Tax rates and wage bases are subject to change. Consult your state's unemployment agency or a tax professional for the most current information.
