How old is Rapunzel in the movie 'Tangled'?

In the movie 'Tangled,' Rapunzel is 18 years old. This age is significant as it marks her transition into adulthood within the narrative, aligning with the thematic elements of self-discovery and freedom that are crucial to her character development. Throughout the film, her age is referenced in relation to her experiences and growth, showcasing her journey from isolation in the tower to independence and embracing her true identity. The filmmakers specifically chose this age to highlight the challenges and adventures that come with young adulthood, making her age an essential aspect of the story.