<P> In October 2013 , the incarceration rate of the United States of America was the highest in the world , at 716 per 100,000 of the national population . While the United States represents about 4.4 percent of the world 's population , it houses around 22 percent of the world 's prisoners . Corrections ( which includes prisons , jails , probation , and parole ) cost around $74 billion in 2007 according to the U.S. Bureau of Justice Statistics . </P>
<P> In October 2013 , the incarceration rate of the United States of America was the highest in the world , at 716 per 100,000 of the national population . While the United States represents about 4.4 percent of the world 's population , it houses around 22 percent of the world 's prisoners . Corrections ( which includes prisons , jails , probation , and parole ) cost around $74 billion in 2007 according to the U.S. Bureau of Justice Statistics . </P>
what percent of the world 's population is america
what percent of the world 's population is america
4.4 percent
4.4 percent