Nevada state law and the Age Discrimination in Employment Act of 1967 (ADEA) protect individuals who are 40 years of age or older from employment. For age discrimination claims, the employer must have at least 20 employees.Nevada law only requires 15 employees or more for ALL claims. In this article, our Las Vegas labor law attorneys discuss how to file employment discrimination claims in Nevada. Under Nevada law, age discrimination can only occur if the aggrieved worker is over the age of 40. The ADEA applies to employers with 20 or more employees, prohibiting discrimination against those aged 40 or older in all aspects of employment. Prevent age discrimination in the workplace with our informative blog. Learn how to create an inclusive and fair work environment. Las Vegas Attorney for Discrimination Helps Nevada Employees Fight Workplace Discrimination. Workplace discrimination is both illegal and wrong.