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  1. How Rare Are Gray Eyes? (& What Causes Them) - wikihow.com

    Sep 9, 2025 · How rare are gray eyes? Grey eyes are the second rarest eye color on the planet (after green eyes), and they’re unique in how much variation there can be from person to person.

  2. Gray Eyes (Pictures, Genetics & Facts) - Vision Center

    Sep 24, 2024 · Grey eyes are a rare and distinctive eye color. This eye color only occurs in only about 3% of the global population. Their unique appearance often sets individuals with grey eyes apart. But …

  3. Discover the World's Rarest Eye Colors - Verywell Health

    Dec 13, 2025 · The rarest eye color in the world is gray, surpassing even green, which was once the least common. This rare hue results from a minimal amount of melanin in the iris, a genetic marvel …

  4. How Rare Are Grey Eyes - EyeWEB

    Nov 10, 2025 · Grey eyes are so rare that only 3% of the population has them. They are most common in northern and central Europe, like Estonia, Finland, Iceland, and Ireland

  5. How Rare Are Grey Eyes and What Causes Them?

    Aug 14, 2025 · Grey eyes are considered one of the rarest eye colors globally. Estimates suggest that less than 3% of the world’s population possesses this trait. In the United States, this percentage is …

  6. How Rare Are Grey Eyes? The Science and Statistics

    Nov 23, 2025 · Grey eyes are considered one of the rarest eye colors globally, present in approximately 3% of the world’s population. This places them among the least common natural eye colors, slightly …

  7. Grey Eyes: Rarity, Meaning, Genetics, and Fascinating Facts

    Oct 11, 2025 · Grey eyes are one of the rarest natural eye colors in the world. Scientists estimate that only about 0.5% to 1% of people globally have them. That means fewer than 80 million people out of …