What is is 18 still a teenager?

Yes, 18 years old is still considered a teenager. The age range for being a teenager is typically 13-19 years old. At 18, individuals are considered legal adults in many countries and can vote, purchase tobacco products, and enlist in the military. However, they are still likely to be finishing up high school and may not have fully developed decision-making skills or life experience. Therefore, many people still classify 18-year-olds as teenagers.