What Is The Most Common Hair Color. The most common hair and eye combination for such is brown hair with brown eyes. Dark brown in particular is an often underestimated companion for blond hair.
About 75 to 85 of the global population has either black hair or the deepest brown shade. For the remaining over 90 of the population lies under black or brown hair with others lying in between as brunettes. Considered on a global scale.
They also usually have medium thick strands of hair.
Brown hair is characterized by higher levels of eumelanin and lower levels of pheomelanin. A nice blond hair can look great with many more eye colors other than just blue of course. The title of rarest hair color eye color combination belongs to red haired folks with blue eyes. If popular means common then the world s most common hair color is black since nearly 49 people around the world have it.