Gender, build, and age all factor into the equation. Because teens' bodies are still developing, the average weight of a teenager can fluctuate quite a bit from one year to the next, finally stabilizing around 18-20 years of age.ecause teens' bodies are still developing, the average weight of a teenager can fluctuate quite a bit from one year to the next, finally stabilizing around 18-20 years of age.
Darren Michael Potter (born 21 December 1984) is a professional footballer who plays for Milton Keynes Dons as a midfielder. He is a former Liverpool schoolboy captain who hails from the Scotland Road area of the city and is a full Irish international.
Daniel Jacob Radcliffe (born 23 July 1989) is an English actor who rose to prominence as the title character in the Harry Potter film series. He made his acting debut at 10 years of age in BBC One 's 1999 television film David Copperfield, followed by his cinematic debut in 2001's The Tailor of Panama.