Review Of What Are The Rarest Hair Colors 2023. Red is the rarest hair color on the planet. Red hair (1% of the population) though this probably comes at little surprise due to its notoriety for being rare,.
Social media may have led you to believe that there are tons of natural blondes. For example, natural red hair is the rarest hair color in the world. Genetic factors and aging contribute to the occurrence of gray hair in about 4% of the population.
