~100,000 hairs are on an average person's head.
It depends on who you are and your age but the average person 100,000. As you age, hair tends to fall out, and everyone loses about 50- 100 strands everyday.
About 100,000 on a head but it depends based on the person. As you grow older or even as others become more stressed hair is known to have fallen out which lessens the amount
150,000 hair follicles
Although it varies from one individual to another, the average number of hairs on a person's head is about 100,000. The number of hairs varies according to gender, age, race, hair color, and genetic makeup. Most people shed between 50 and 100 hairs daily.
Sources: Brandreth, Gyles. Your Vital Statistics, p. 22; Growing New Hair!, p. 40.