Workers with disabilities earn 37% less on average than their non-disabled peers, according to the American Institutes for Research. Many don't realize wage discrimination is illegal when the work is substantially the same. The Equal Pay Act applies to employees with disabilities just as it does to everyone else. If you're performing work substantially equal to a colleague but earning less, you have legal protections.

Here's how the Equal Pay Act intersects with disability discrimination law, what "substantially equal work" means in practice, and how to file a wage discrimination complaint with the EEOC.

What the Equal Pay Act Covers

The Equal Pay Act of 1963 requires employers to pay men and women equally for substantially equal work performed under similar conditions. While the original law focused on sex-based discrimination, courts and the EEOC apply its principles alongside the Americans with Disabilities Act (ADA) when disability is a factor in pay disparities.

If you're doing work that requires substantially equal skill, effort, and responsibility as a non-disabled colleague, and you're paid less because of your disability, that's illegal under both the Equal Pay Act framework and the ADA.

The law doesn't require identical jobs; substantially equal work is the standard, and that's a meaningful distinction.

What "Substantially Equal Work" Means in Practice

Employers can't justify lower pay by pointing to minor differences in job duties or titles. The test is whether the jobs require comparable skill, effort, and responsibility, and whether they're performed under similar working conditions.

Here's what that looks like in real situations:

Same role, different title. You're a customer service representative. A colleague does the same work but holds the title "customer relations specialist" and earns $5,000 more annually. The title difference doesn't matter if the actual work is substantially the same.

Accommodation as justification. Your employer pays you less than colleagues in the same role because "we had to provide accommodations." Accommodation costs can't legally justify lower wages. The ADA prohibits that explicitly.

Productivity assumptions. You're paid less because your supervisor assumes you'll be less productive due to your disability, even though your output matches or exceeds colleagues'. Assumptions about productivity aren't a defense. Actual performance is what matters.

Part-time vs. full-time. If you work part-time due to disability-related limitations and a full-time colleague does the same work, your hourly rate must be equal. Prorating salary for hours worked is legal. Paying a lower hourly rate for the same work isn't.

If your job requires the same skills, demands similar effort, carries comparable responsibility, and happens in the same workplace environment as a higher-paid colleague's job, the work is substantially equal under the law.

How to Identify and Document Pay Disparities

Start by comparing your compensation to colleagues in similar roles. You'll need specific information to build a case.

Identify comparators. Find at least one colleague (ideally more) whose work is substantially equal to yours. They don't need to have the exact same job title. Focus on what the job requires and what you both do day to day.

Document job duties. Write down your core responsibilities. List the skills your job requires, the level of decision-making authority you have, and the working conditions (office environment, schedule flexibility, physical demands). Do the same for your comparator's role based on what you know or can observe.

Gather pay information. If you know a colleague's salary, document it. If you don't, focus on documenting the disparity you've observed or been told about. Some states have pay transparency laws that require employers to share salary ranges. Check whether your state is one of them.

Track statements from management. If a supervisor or HR representative has made comments connecting your pay to your disability, accommodations, or perceived limitations, write down what was said, when, and who said it. These statements can establish direct evidence of discrimination.

Save performance reviews and evaluations. If your reviews show you're meeting or exceeding expectations, that undermines any claim that lower pay reflects job performance. Keep copies of all reviews, commendations, and correspondence praising your work.

You don't need a smoking-gun email to file a complaint. Circumstantial evidence (pay disparity plus knowledge of your disability) can support a claim. But the more documentation you have, the stronger your case.

The Intersection of ADA and Equal Pay Act Claims

The Equal Pay Act and the ADA work together when disability is a factor in wage discrimination. Understanding how they overlap helps you frame your complaint correctly.

The Equal Pay Act focuses on pay equity for substantially equal work. It doesn't require you to prove intentional discrimination. You just need to show you're paid less than a comparator for work that's substantially the same.

The ADA prohibits discrimination based on disability, including pay discrimination. To prevail under the ADA, you generally need to show your disability was a motivating factor in the pay decision.

Filing under both laws gives you the broadest protections. An EEOC charge can allege violations of both statutes. The investigator will assess your claim under whichever framework fits the evidence.

Some pay disparities are easier to prove under the Equal Pay Act because you don't need to establish discriminatory intent. Others involve explicit disability-based reasoning that makes the ADA framework stronger. You don't have to choose upfront. Document the facts and let the EEOC evaluate which legal theory best fits.

How to File a Wage Discrimination Complaint with the EEOC

You file a wage discrimination complaint the same way you'd file any EEOC charge. The process is straightforward, and you don't need a lawyer to start it.

File within the deadline. You have 180 days from the discriminatory pay decision to file a charge with the EEOC. In states with their own fair employment agencies, that extends to 300 days. Don't wait. File as soon as you've documented the disparity and identified your comparators.

Submit an intake questionnaire. Visit the EEOC's public portal and complete the online intake questionnaire. You'll describe the discrimination, name your employer, identify the laws you believe were violated (ADA, Equal Pay Act), and provide basic information about your job and the pay disparity.

Schedule an interview. The EEOC will contact you to schedule an interview, either by phone or in person. You'll provide details about your job duties, your comparators' duties, the pay gap, and any evidence linking the disparity to your disability. Bring copies of performance reviews, job descriptions, pay stubs, and notes about relevant conversations.

The EEOC investigates. After you file, the EEOC notifies your employer and requests information. The agency may ask for payroll records, job descriptions, and explanations for the pay difference. You don't control the investigation, but you can provide additional evidence if the EEOC requests it.

Possible outcomes. The EEOC may find reasonable cause to believe discrimination occurred, in which case they'll attempt conciliation (settlement negotiations). If conciliation fails, the EEOC may sue on your behalf or issue a "right to sue" letter allowing you to file your own lawsuit. If they don't find reasonable cause, you still receive a right-to-sue letter and can pursue the claim independently.

The EEOC process takes time: often six months to a year or more. Filing a charge protects your legal rights and starts the clock on remedies. You can't sue for wage discrimination under the ADA or Equal Pay Act without first filing an EEOC charge.

For step-by-step guidance on the EEOC complaint process, see When Disability Discrimination Happens: How to File a Complaint and What to Expect.

What Employers Can't Use as Defenses

The Equal Pay Act allows four narrow defenses for pay disparities: seniority systems, merit systems, systems that measure earnings by quantity or quality of production, and any factor other than sex. When disability discrimination is involved, those defenses shrink further.

Accommodation costs don't justify lower pay. An employer can't pay you less because they provided a screen reader, modified your schedule, or made your workspace accessible. The ADA explicitly prohibits reducing compensation to offset accommodation expenses.

"Different responsibilities" must be real and substantial. If your employer claims your job differs from your comparator's, those differences must involve materially different skill, effort, or responsibility. Superficial distinctions like job titles, office location, or minor tasks don't qualify.

Subjective judgments about future performance aren't a defense. An employer can't pay you less based on assumptions that your disability will limit future productivity, increase absenteeism, or require ongoing accommodations. Pay must reflect actual job performance and requirements, not speculation.

Market rates and prior salary aren't blanket defenses. While market-based pay can sometimes justify differences, an employer can't cite "market rates" if the market itself reflects discriminatory patterns. And paying you less because your previous employer paid you less doesn't hold up when disability discrimination is a factor.

If your employer offers a defense and you believe it's pretextual (masking the real reason, which is your disability), document why. If their explanation doesn't match the facts, that's evidence of discrimination.

Damages and Remedies Available

If you win a wage discrimination claim under the Equal Pay Act and ADA, you're entitled to several forms of relief.

Back pay. The difference between what you were paid and what you should have been paid, going back to the date the discrimination started (up to two years before you filed, or three years if the violation was willful).

Front pay. If you can't return to your job or the working relationship is irreparably damaged, a court may award future lost wages until you find comparable employment.

Liquidated damages. Under the Equal Pay Act, you can receive double damages (an additional amount equal to your back pay) if the employer's violation was willful. That's automatic under the Act, not a punitive measure you have to argue for separately.

Compensatory damages. Under the ADA, you can recover damages for emotional distress, harm to reputation, and other non-economic injuries caused by the discrimination. Caps on compensatory damages depend on employer size, ranging from $50,000 (15–100 employees) to $300,000 (500+ employees).

Attorney's fees. If you prevail, the employer pays your attorney's fees and court costs. You don't pay your lawyer out of your recovery.

The goal isn't just compensation. It's making you whole and ensuring the pay gap is corrected going forward.

Related Protections and Resources

Wage discrimination often intersects with other forms of workplace discrimination. Understanding those connections can strengthen your position.

Retaliation protection. Your employer can't fire you, demote you, or retaliate in any way for filing an EEOC charge or asking questions about pay equity. Retaliation is independently illegal under the ADA and the Equal Pay Act. If it happens, file an additional charge immediately.

Pay transparency laws. Some states and localities prohibit employers from asking about salary history, require disclosure of pay ranges in job postings, or protect employees who discuss wages with colleagues. If your state has these laws, use them. Knowing what others earn makes it easier to identify discrimination.

Broader pay gap context. The disability pay gap affects workers across industries and roles. You're not alone in facing this. Structural discrimination is real, and individual legal action is one tool for addressing it.

If your employer's discrimination extends to family members (paying you less because you have a disabled child or spouse), that's association discrimination under the ADA. The protections work similarly, but the legal framework differs slightly.

What to Do Right Now

If you suspect you're being paid less than colleagues for substantially equal work, start documenting the disparity today. Write down your job duties and your comparators' duties. Save performance reviews, pay stubs, and any communications that reference your pay or disability.

Check your state's EEOC filing deadline: 180 days in some states, 300 in others. Don't let the clock run out while you're deciding whether to act.

You don't need certainty to file a charge. You need a reasonable belief that discrimination occurred. The EEOC investigates. Your job is to provide the facts you know and the evidence you have.

Wage discrimination doesn't fix itself, and every pay period you're underpaid, the gap widens. The Equal Pay Act and the ADA give you legal tools to close that gap.