What Is the Oldest Age a Comedian Can Be? There Is No Definitive Answer to This Question, as There Are Many Factors That Can Affect a Comedian's Career Longevity. Some Comedians May Start Their Careers Later in Life, While Others May Continue to Perform Well into Their Golden Year's. Ultimately, the Max Comedian Age Is Determined by a Variety of Factors, Including the Comedian's Individual Talent, Drive, and Ability to Connect with Audiences.