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 estimated population of the United States of America is 315,203,000 as of 2012. The USA population map shows the population distribution of each state, represented on the color-coded map.States with the highest population include California at number one, followed by Texas, New York, Florida, and Illinois. These states are also home to the most populous cities in the United States.The most populous cities in the United States are New York City, followed by Los Angeles, Chicago, and Houston.tates with the highest population include California at number one, followed by Texas, New York, Florida, and Illinois. These states are also home to the most populous cities in the United States. The most populous cities in the United States are New York City, followed by Los Angeles, Chicago, and Houston.