Question

The average person approximately has strands of hair on his head

Answer 1

The average human head (an average scalp measures approximately 120 square inches or 770 cm²) has about 100,000 hair follicles (Gray 2003). Each follicle can grow about 20 individual hairs in a person's lifetime (About 2007). Average hair loss is around 100 strands a day.

Answer 2

Obviously, the number varies from person to person, but in general the answer is that the human head has about 100,000 strands of hair.