Babies do it, children your age do it, teenagers do it, grownups do it, and even older people do it. There ARE some people who don't want to masturbate, and that is normal, too. We know that people discover or learn about masturbation at different ages. Some learn very early, as a baby, that it feels good to touch their genitals. Some learn it about it when they are just a little bit older, and some learn about it when they are almost a teenager.
People learn about masturbation in different ways.
We also know that it is normal for children NOT to masturbate until they are older. Almost everyone agrees that masturbation feels very good around a person's sex parts, and often it sends those good feelings and sensations all throughout a person's body. People know that there many different ways to masturbate, and that each person usually finds a way, or several ways, that they like best. Doctors have confirmed that masturbation, done in the different ways talked about on this page, causes no harm to a person's body. Masturbation is not harmful.