A traditional quinceañera celebrates a girl reaching the age of 15.
The word quinceañera refers both to the young woman being honored and, commonly, to the celebration itself. The age is symbolically important in many Latin American communities because it marks a transition from childhood toward young adulthood.
Celebrations vary widely by family, country, religion, and budget. Some include a religious service, a formal reception, a choreographed dance, and symbolic presentations. Others are simpler family parties. Turning 15 is the constant central idea, even when particular customs are omitted.
The celebration is not legally equivalent to becoming an adult. Legal adulthood and related rights depend on the country’s laws, not on the quinceañera tradition.