Adolescent

Generally 10–19 years, though developmental changes continue until approximately 24–25 years.

Focuses on rapid physical growth and the beginning of puberty. Teens at this stage often become more self-conscious about their appearance and seek greater privacy. adolescent

Adolescence is the unique developmental bridge between childhood and adulthood, traditionally spanning the ages of 10 to 19, though newer definitions often extend into the mid-20s. It is characterized by profound transitions in biological, cognitive, and psychosocial domains as individuals begin to discover their identity and prepare for adult roles. This period is marked by high neuroplasticity, making it a time of both extreme vulnerability to mental health issues and significant opportunity for positive growth and resilience. Quick Facts Quick Facts Approximately 1

Approximately 1.3 billion people—roughly one in six people worldwide—are adolescents. Generally 10–19 years

The onset of puberty, which triggers rapid physical and hormonal changes.

Characterized by a shift in focus toward peer groups and romantic interests. This stage often involves increased conflict with parents as the teen seeks independence.