Age Discrimination at Work: Signs, Proof, and EEOC Claims

If you’re 40 or older, federal law protects you from being fired, passed over, paid less, harassed, or otherwise penalized at work because of your age. Age discrimination at work is prohibited by the Age Discrimination in Employment Act (ADEA), which applies to any employer with at least 20 employees and covers nearly every job decision an employer makes.¹² What surprises most workers is that the standard of proof is higher than for other discrimination claims and the money you can recover is narrower. Knowing both up front changes how you build a case.

Who Is Protected

The ADEA protects anyone age 40 or older. There is no upper age cutoff. If you’re 39, the federal law doesn’t cover you, though your state law may.¹

An employer is covered when it has 20 or more employees for each working day in at least 20 calendar weeks of the current or prior year. State and local governments, employment agencies, and labor organizations are also covered. Federal employees have separate protections under a related section of the same statute.² If your employer has fewer than 20 workers, skip ahead to the state-law section.

What Age Discrimination Looks Like on the Job

The statute makes it illegal to refuse to hire, fire, or otherwise disadvantage anyone in the terms of employment because of age.³ That reaches almost every stage of employment:

Passing over a qualified older applicant for a younger one, or steering older applicants away from certain jobs.
Denying promotions or leadership assignments based on assumptions about energy or adaptability.
Paying older workers less or offering reduced insurance coverage because of age.⁴
Excluding older employees from training or technology development programs.
Targeting older workers in layoffs to cut salary costs or reshape the team.
Injecting age-based assumptions into performance reviews that later affect pay or advancement.

Discrimination can begin before you’re hired. Job postings that call for a “digital native,” “recent graduate,” “youthful energy,” or a “fresh face” can signal age-based screening even without an explicit age limit. The EEOC has flagged this language as potentially discriminatory because it discourages older workers from applying. If you were passed over despite strong qualifications and the posting used that kind of language, it can become evidence.

When Age-Based Comments Become Harassment

Workplace harassment based on age becomes illegal when it is severe or frequent enough that a reasonable person would find the environment hostile or abusive.⁵ A single offhand remark usually won’t clear that bar. A steady pattern will: repeated jokes about retirement, comments about being “over the hill,” assumptions about your mental sharpness. Harassment also qualifies as illegal when enduring it becomes a condition of keeping your job, even if you’re never fired.

Reporting matters. If a coworker or an outside client is the harasser, the employer is only liable if it knew or should have known and failed to act. If you never used the company’s complaint process, the employer has a stronger defense.⁵ Document what’s said, when, and who else heard it, and put your complaint in writing.

What You Have to Prove

This is where age claims are harder than other discrimination claims, and where most people’s expectations go wrong. In a race or sex case under Title VII, you can win by showing the protected trait was one motivating factor in the decision. The ADEA sets a higher bar.

In Gross v. FBL Financial Services, the Supreme Court held that an ADEA plaintiff must prove age was the “but-for” cause of the employer’s action, meaning the decision would not have happened the same way if age hadn’t been a factor.⁶ The burden of proof stays on you the entire case. The employer never has to prove it would have made the same decision anyway.

You can meet the standard with direct or circumstantial evidence. Direct evidence would be a manager’s email saying the department needs “younger blood.” Circumstantial evidence is more common: you were replaced by someone significantly younger, your reviews were strong until a new boss arrived, or a company’s layoffs disproportionately hit older workers. Any one fact alone rarely gets you across the line. Together they can. This higher standard is also why many age claims are decided at summary judgment, before a jury ever hears them.

You’re Protected From Retaliation

Filing a charge, participating in an investigation, testifying for a coworker, or opposing conduct you reasonably believe is discriminatory all trigger protection against retaliation.⁷ Retaliation doesn’t have to look like a firing. Anything that would discourage a reasonable worker from raising a complaint counts: demotion, undesirable schedule changes, exclusion from meetings, sudden negative reviews, even a bad reference given to a future employer after you’ve left.⁸

Protection applies even if your underlying discrimination claim ultimately fails, as long as you had a good-faith belief the conduct you opposed was unlawful.

Before You Sign a Severance Agreement

If you’re 40 or older and an employer offers severance in exchange for releasing age discrimination claims, the release has to meet strict requirements under the Older Workers Benefit Protection Act, codified at 29 U.S.C. § 626(f). Miss any one requirement and the waiver is unenforceable. You could sign it, take the money, and still sue.⁹

A valid waiver of age discrimination claims must:

Be in writing and in plain language you can reasonably understand.
Specifically reference rights under the Age Discrimination in Employment Act. A generic release of “all claims” isn’t enough.
Offer you something beyond what you’re already owed. If company policy already gives you two weeks’ severance, the waiver has to add something on top.
Advise you in writing to consult an attorney.
Give you at least 21 days to consider it. In a group layoff or exit incentive program, the period is 45 days.
Allow 7 days after signing to revoke.
Cover only claims that already existed as of the signing date. Future claims can’t be waived.

In a group termination, the employer also has to disclose which job titles and age groups were selected for the program and which were not. That disclosure lets you and an attorney see whether the selection pattern points to age-based targeting. Rushing you through signing or burying the release in dense legalese can void the whole thing.

Filing a Charge With the EEOC

You generally can’t go straight to court. First you file a charge with the Equal Employment Opportunity Commission. The current process starts with an online inquiry through the EEOC Public Portal.¹⁰ You then schedule an interview with an EEOC representative, and if the agency determines it can help, you complete and sign the formal Charge of Discrimination.¹¹

The charge asks for the employer’s legal name, business address, approximate number of employees, and a narrative describing what happened.¹² Be specific. Include dates, names of decision-makers, and the sequence of events. Reference any emails, reviews, or written comments from supervisors you’ve kept.

The Filing Deadline

You generally have 180 days from the discriminatory act to file.⁹ The deadline extends to 300 days if your state has its own age discrimination law enforced by a state agency. A quirk specific to age cases: a local ordinance alone does not trigger the 300-day extension. There has to be a state law and a state enforcement agency.¹³ Miss the deadline and your claim is almost always dead. File early.

What Happens Next

The EEOC notifies your employer within 10 days of receiving the charge.¹⁴ The agency may offer voluntary mediation. If that doesn’t resolve things, it investigates whether there is reasonable cause to believe discrimination occurred. If it finds cause and can’t settle, it can file suit itself or issue a notice letting you sue on your own.

What You Can Recover in Court

The ADEA gives you one procedural advantage other discrimination statutes don’t: you can sue in federal court 60 days after filing your charge, without waiting for the EEOC to finish its investigation or issue a right-to-sue letter.¹⁵

If you win, available remedies are:

Back pay for lost wages and benefits through trial.
Front pay for future lost earnings when reinstatement isn’t practical.
Reinstatement or promotion.
Liquidated damages equal to your back pay award, essentially doubling it, but only when the employer’s violation was willful. A violation is willful when the employer knew its conduct violated the law or acted with reckless disregard.⁹

Here is the gap that catches most plaintiffs off guard. The ADEA does not allow compensatory damages for emotional distress and does not allow punitive damages.¹⁶ Under Title VII, a plaintiff who proves race or sex discrimination can recover both. Under the ADEA, your recovery is limited to what you actually lost in wages and benefits, plus liquidated damages if the violation was willful. You are entitled to a jury trial on factual damages issues.⁹

When Your State Law Does More

Many state age discrimination laws reach further than the ADEA. Some apply to employers with as few as one employee, catching workplaces the federal law misses entirely. Employee-count minimums across the states run from zero to 15, well below the federal floor of 20. Several states also protect workers younger than 40, with some setting the threshold at 18.

State laws can also provide remedies the ADEA doesn’t, including compensatory and punitive damages in some jurisdictions. If you work for a smaller employer, or you want access to broader damages, your state civil rights agency may be the better place to file. And in states with their own age discrimination statute and enforcement agency, you get the 300-day federal filing deadline instead of 180 days. An employment attorney licensed in your state can tell you which route gives your claim the most weight.

1
Office of the Law Revision Counsel. 29 USC 631 – Age Limits
2
Office of the Law Revision Counsel. 29 USC 630 – Definitions
3
Office of the Law Revision Counsel. 29 USC 623 – Prohibition of Age Discrimination
4
U.S. Equal Employment Opportunity Commission. Age Discrimination in Employment Act of 1967
5
U.S. Equal Employment Opportunity Commission. Harassment
6
Justia Law. Gross v. FBL Financial Services, Inc., 557 U.S. 167 (2009)
7
U.S. Equal Employment Opportunity Commission. Enforcement Guidance on Retaliation and Related Issues
8
U.S. Equal Employment Opportunity Commission. Questions and Answers: Enforcement Guidance on Retaliation and Related Issues
9
Office of the Law Revision Counsel. 29 USC 626 – Recordkeeping, Investigation, and Enforcement
10
U.S. Equal Employment Opportunity Commission. Submit an Online Inquiry to EEOC
11
U.S. Equal Employment Opportunity Commission. Filing A Charge of Discrimination
12
U.S. Equal Employment Opportunity Commission. EEOC Form 5 Charge of Discrimination
13
U.S. Equal Employment Opportunity Commission. Time Limits For Filing A Charge
14
U.S. Equal Employment Opportunity Commission. What You Can Expect After a Charge is Filed
15
U.S. Equal Employment Opportunity Commission. What You Can Expect After You File a Charge
16
U.S. Courts for the Ninth Circuit. Age Discrimination – Damages