Do you have red hair or green eyes? If so, your hair and eye color combination is among the world’s rarest. What do the hair and eye color statistics tell about the makeup of the world’s color palette?
Hair and Eye Color Combination Statistics
- Only 0.17% of the world has blue eyes and red hair, making it the rarest hair and eye color (University of Melbourne)
- Green eyes and red hair are the second rarest combination, with one study finding red hair with green or hazel eyes has a weak correlation at -0.14. (Cambridge University)
- Black hair with blue eyes is rarer than blonde hair and blue eyes combination (The Tech Interactive)
- Brown hair with brown eyes is the most common hair and eye color combination worldwide. (Holleewoodhair)
- The strongest positive correlation for hair and eye color combination is blue eyes with blonde hair (0.87). (Cambridge University)
- Brown eyes with dark hair have a positive correlation of 0.71. (Cambridge University)
- The strongest negative correlations for hair and color combination to be blue eyes with dark hair (-0.64) and brown eyes with blonde hair (-0.94). (Cambridge University)
- The MC1R (melanocortin 1 receptor) decides the color of your hair, skin and eyes. (Reader’s Digest)
Eye Color Statistics
- Between 55% and 79% of the world’s population has brown eyes. (World Atlas)
- Between 8% and 10% of people worldwide have blue eyes. (World Atlas)
- Hazel and amber are rare eye colors, with around 5% of people around the world having this eye color, respectively. (World Atlas)
- Green eyes occur in only 2% of the global population. (World Atlas)
- Scotland has the highest concentration of green-eyed people, with 29% of the population. (Rarest)
Hair Color Statistics
- 1% to 2% of the world’s population has red hair. (BBC)
- Only a little over 3% of the world’s population are a natural blonde. (Hairsentry)
- Around 11% of the world’s population has light brown hair. (TUKO)
- Between 75% and 85% of the world’s population has dark brown or black hair. (World Atlas)
