1/3
fraction of women who dye their hair at home and choose to become redheads
1 to 2
percent of population with red hair
2 (maybe 3)
redheads in that photo slideshow on Whitman web site
6
number of redheads liked on LikeALittle in the past four weeks
13
percent of Scottish people with red hair
6 to 18
million redheads in the U.S.
20
percent more anesthesia is required to sedate redheads, according to a 2002 study
120,000
number of hairs on the average human head. Redheads have less.
Sources: unreliable at best