What Is the Average Penis Size for Boys and Teens? - What is the average penis size for 14
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The average penis size of an adult male is between 5 and 7. A young teen asks what size his penis should be, and if he's developing like he should. A year-old wonders if his penis is too small for his age, and if he's In adult men, the average penis length is about 5 inches (stretched out), but can.