<human>:  How has the population of the United States grown over the past 100 years?
<bot>: Over the past 100 years, the population of the United States has grown significantly. According to the U.S. Census Bureau, in 1920 the population was reported to be 106,021,537. By the year 2020, an estimated 328,239,523 people were living in the United States. This represents an approximate increase of 208 percent over the past century.