As of February 2015, popular estimate is that between five and eight percent of the population has hazel eyes. This makes hazel eyes the third most common eye color after brown and blue. More »

Over 55 percent of the general population has brown eyes. Brown eyes are the most common eye color. Brown eye color is created when melanin is present in the eye. More »

Less than 2 percent of the worldwide population has naturally green eyes. Green is one of the rarest eye colors. The green color of the eyes is formed when there is a low amount of melanin in the iris and a varying amoun... More »

The percentage of the world's population who have multiple-colored eyes is not documented. Most babies are born with blue eyes that vary in color but develop into a permanent shade by the age of 5. More »

Although there is no definitive way to accurately determine the number of people in the world with hazel eyes, experts estimate that around 5 to 8 percent of the world's population have this eye color. Hazel eyes are sim... More »

Over 55 percent of the general population has brown eyes. Brown eyes are the most common eye color. Brown eye color is created when melanin is present in the eye. More »

According to the Religion and Public Life Project at the Pew Research Center, there are 2.18 billion Christians worldwide, which is about 31.6 percent of the world population of 6.9 billion, as of 2010. About 50.1 percen... More »