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.
Multicolored eyes can be caused by trauma during or after child birth, eye-pigment development failure, genetic disorder, freckle on the iris, inflammation or Horner's syndrome. The color of a person's eyes is passed down genetically. Blue eyes are passed down through English, Irish and Northern European ancestry. Green eyes are found predominantly in people with German, Icelandic and Celtic ancestry. Brown eyes are the most common eye color in the world.Learn 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.Full Answer >
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 amount of lipochrome. How these two factors balance out determines whether the person has light green, bluish green, yellowish green, dark green, or brownish green eyes.Full Answer >
According to the City of Detroit, as of 2014, Detroit, Mich. has a population of 921,000. It is the largest city in the state and the 11th-biggest city in the USA.Full Answer >
When the population experiences growth, it increases the number of people who can consume goods and services, causing the economy to experience growth. When the economy grows, this results in new industries that can provide employment to the nation's citizens.Full Answer >