In federal law, the definition of discrimination is treating someone less favorably because of a protected characteristic — such as race, color, religion, sex, national origin, age, disability, or genetic information — rather than on their own merits. Several statutes carry this definition into specific sectors: employment, housing, credit, and education. Each has its own list of protected traits, its own filing deadlines, and its own remedies, so the same conduct can be unlawful in one setting and unregulated in another.
Protected Characteristics Under Federal Law
Title VII of the Civil Rights Act of 1964 is the anchor statute for the workplace. It makes it unlawful for an employer to refuse to hire, to fire, or to treat an employee differently with respect to pay or working conditions because of race, color, religion, sex, or national origin.1Office of the Law Revision Counsel. 42 US Code 2000e-2 – Unlawful Employment Practices The category of sex has grown since 1964. The Pregnancy Discrimination Act amended Title VII to make clear that “because of sex” includes pregnancy, childbirth, and related medical conditions.2U.S. Equal Employment Opportunity Commission. Pregnancy Discrimination Act of 1978 In 2020, the Supreme Court held in Bostock v. Clayton County that firing someone for being gay or transgender also violates Title VII’s prohibition on sex discrimination.3Supreme Court of the United States. Bostock v Clayton County
Other statutes cover traits Title VII does not. The Age Discrimination in Employment Act protects workers who are at least 40 years old from being disadvantaged because of age.4Office of the Law Revision Counsel. 29 US Code 631 – Age Limits The Americans with Disabilities Act prohibits discrimination against qualified individuals with disabilities and requires employers to provide reasonable accommodations unless doing so would impose an undue hardship.5Office of the Law Revision Counsel. 42 US Code 12112 – Discrimination The Genetic Information Nondiscrimination Act bars employers from making hiring, firing, or compensation decisions based on genetic information, including family medical history and DNA test results.6Office of the Law Revision Counsel. 42 US Code 2000ff-1 – Employer Practices
One boundary to keep in mind: these employment statutes only apply to employers above a size threshold. Title VII and the ADA reach employers with 15 or more employees, and the ADEA reaches those with 20 or more.7Office of the Law Revision Counsel. 42 US Code 2000e – Definitions8Office of the Law Revision Counsel. 29 US Code 630 – Definitions Workers at smaller businesses may still have recourse under a state anti-discrimination law, some of which apply to employers with as few as one employee.
Intentional Discrimination: Disparate Treatment
Disparate treatment is the classic form: someone is singled out because of a protected characteristic. The legal focus is on the decision-maker’s motive. Being fired, passed over for promotion, or denied a benefit specifically because of race, sex, age, or another protected trait fits here.
Direct evidence of intent exists in some cases: a manager’s email about an employee’s age, a written policy excluding a group, a recorded statement of bias. More often, motive has to be inferred. Courts work through those cases with a burden-shifting framework from McDonnell Douglas Corp. v. Green. The employee first shows they belong to a protected group, were qualified, suffered an adverse action, and that someone outside the group was treated better in similar circumstances. The employer then offers a legitimate, non-discriminatory reason. The employee gets the final chance to show that reason was a pretext for the real motive.
Unintentional Discrimination: Disparate Impact
A policy can violate federal law without anyone intending to discriminate. The disparate impact theory, established in Griggs v. Duke Power Co., targets requirements that look neutral but screen out a protected group at significantly higher rates.9Justia. Griggs v Duke Power Co, 401 US 424 (1971) A physical fitness test for a desk job, a standardized exam unrelated to actual duties, or a minimum education requirement with no bearing on performance can each trigger liability if the numbers fall disproportionately on one group.
The employer’s defense is business necessity. If the challenged practice is genuinely job-related, the employer wins. Even so, an equally effective alternative that would produce less of a disparate impact can defeat the original practice.
Retaliation Is a Separate Violation
Retaliation is now the most frequently filed charge type at the EEOC. Federal law makes it illegal for an employer to punish an employee for opposing discrimination or participating in a discrimination proceeding.10Office of the Law Revision Counsel. 42 US Code 2000e-3 – Other Unlawful Employment Practices Opposing can mean complaining to a manager about biased conduct, refusing to follow a discriminatory order, or raising concerns informally without ever using the word “discrimination.” Participating means filing a charge, testifying, or cooperating in an investigation.
The practical point: you can lose the underlying discrimination claim and still win on retaliation. If you complained in good faith about what you reasonably believed was discriminatory conduct, and your employer demoted, transferred, or fired you in response, the retaliation is an independent violation on its own.
Where Anti-Discrimination Laws Apply
Anti-discrimination law covers specific sectors, and the protected categories shift from one to the next.
Employment
Title VII, the ADEA, the ADA, and GINA together cover the full employment relationship: job postings, interviews, hiring, pay, assignments, promotions, discipline, benefits, and termination.1Office of the Law Revision Counsel. 42 US Code 2000e-2 – Unlawful Employment Practices Job classification, access to training programs, and layoff selection criteria are also reached.
Housing
The Fair Housing Act prohibits discrimination in the sale, rental, and financing of housing based on race, color, religion, sex, familial status, or national origin.11Office of the Law Revision Counsel. 42 US Code 3604 – Discrimination in the Sale or Rental of Housing and Other Prohibited Practices Familial status (families with children under 18) appears here but not in the workplace statutes. Disability protection in housing comes from a separate provision of the same act.
Credit and Lending
The Equal Credit Opportunity Act makes it unlawful for a creditor to discriminate based on race, color, religion, national origin, sex, marital status, or age, and it also protects applicants whose income comes from public assistance.12Office of the Law Revision Counsel. 15 US Code 1691 – Scope of Prohibition Marital status and receipt of public assistance are unique to this statute.
Education
Title IX prohibits sex-based discrimination in any education program or activity that receives federal financial assistance.13Office of the Law Revision Counsel. 20 US Code 1681 – Sex The scope covers admissions, athletics, sexual harassment, and academic program access at most public schools and colleges, as well as private institutions that accept federal funds.
How to File a Complaint and Meet the Deadlines
For employment discrimination claims, you generally cannot go straight to court. Federal law requires filing a charge of discrimination with the EEOC first.14U.S. Equal Employment Opportunity Commission. Filing a Charge of Discrimination Missing the step, or missing the deadline, can end an otherwise valid claim.
You have 180 calendar days from the discriminatory act to file the charge. That extends to 300 days if your state or locality has an agency enforcing its own anti-discrimination law on the same basis, which most do. Federal employees have a much shorter window: 45 days to contact an agency EEO counselor. For harassment, the clock starts on the last incident, though earlier incidents may still count as context.15U.S. Equal Employment Opportunity Commission. Time Limits for Filing a Charge
After you file, the EEOC investigates. When the investigation closes, the agency issues a Notice of Right to Sue, and you then have 90 days to file a lawsuit. If the EEOC is taking too long, you can request the notice early; after 180 days from filing, the EEOC must issue it upon request. Two exceptions bypass this whole process. Equal Pay Act claims require neither a charge nor a right-to-sue letter. ADEA claims require a charge but not the notice, so you can sue 60 days after filing.16U.S. Equal Employment Opportunity Commission. Filing a Lawsuit
Remedies
Winning a discrimination case can produce several forms of relief. Back pay covers wages and benefits you would have earned between the discriminatory act and the resolution. When reinstatement is not realistic, courts may award front pay for future lost earnings. A court can also order reinstatement, promotion, or a policy change.
Compensatory damages cover out-of-pocket costs and emotional harm. Punitive damages apply when an employer acted with malice or reckless disregard for your rights. Federal law caps the combined total of compensatory and punitive damages based on employer size:17Office of the Law Revision Counsel. 42 US Code 1981a – Damages in Cases of Intentional Discrimination in Employment
- 15 to 100 employees: $50,000
- 101 to 200 employees: $100,000
- 201 to 500 employees: $200,000
- More than 500 employees: $300,000
These caps have not been adjusted for inflation since 1991. Back pay and front pay are not subject to the caps, so awards for high earners or long unemployment periods can go well beyond them. Attorney fees and court costs are also recoverable on top.
ADEA claims work differently. Compensatory and punitive damages are generally not available. Successful age discrimination plaintiffs can recover liquidated damages equal to the back pay amount when the violation was willful, effectively doubling the back pay award.18U.S. Equal Employment Opportunity Commission. Remedies for Employment Discrimination