Clarified Auditing Standards require quantification of materiality levels, which are estimates to guide auditors' decision-making and design of auditing procedures. This estimate is only a guide and is not a specific determination of what is, and is not, material in an audit.
1 The current population of the United States of America is 324,385,585 as of Friday, August 12, 2016, based on the latest United Nations estimates.  the United States population is equivalent to 4.38% of the total world population.
The total population in United States was last recorded at 318.9 million people in 2014 from 76.1 million in 1900, changing 319 percent during the last 50 years. 1Y 5Y 10Y MAX. Forecast Export Data API Access.