What percent of the world has red hair?

Apparently as many as 10% of people of Scottish or Irish background have red hair, so the %age in the world would most likely be less than that. However, people of Scot and Irish backgrounds traveled all over the world from about 1400 on, so the genes for red hair have also traveled all over the world.

You may find these sites both interesting and informative.

What percent of the world has red hair?

100 percent in my world.

What percent of the world has red hair?

38% and thats not counting the ones who dye their hair.

What percent of the world has red hair?

Less than 4% of the world population