As of 2012, U.S. Census Bureau statistics indicate children between the ages of 10 and 19 make up 13.5 percent of the population. The U.S. Census Bureau groups children age 10 to 14 together and children age 15 to 19 together.
Approximately 10 percent of the world's population is left-handed. Notably, although most people use their right hands for performing tasks such as writing, approximately 30 percent of the population is mixed handed, which means that they change their hand preference between tasks.
The University of Texas estimates 32 out of 1,000 people are a twin, which translates to 3 percent of the population. As of 2009, approximately one in 30 births results in twins.
According to the U.S. Census Bureau, as of 2012, 8.05 percent of the population in the United States ages 25 and older has a master's degree. Another 3.07 percent has gone one step further and has a doctoral or professional degree.
As of 2010, about 0.9 percent of the population of the United States identifies as Muslim. Islam is the fourth largest faith in the country following Christianity, Judaism and Buddhism.
Approximately 48.5 percent of the population of the United States receives welfare as of 2012, according to CNSNews. This percentage does not include those who receive veterans' benefits.
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
France estimates that its ethnic minority populations can be divided as follows: 4 to 7 million Arabs, 3 to 5 million blacks, 1.5 million Asians and 600,000 Jews. The majority ethnic groups in France are Celtic and Latin.
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.
According to a 2012 study by Runners World, Everyday Health, approximately half of one percent of the US population have run a marathon before. This equates to about one out of every 200 people.