As a companion to this study, the USA Freedom Corps and the Corporation for National and Community Service partnered with the Bureau of Labor Statistics in 2002 and again in 2003 to add questions about volunteering to the Current Population Survey (CPS) for the month of September. The CPS results provide context for some of the findings in the volunteer management capacity study. The 2003 CPS survey indicates that an estimated million Americans ( percent of the United States population) volunteered through an organization in the 12 months preceding the interview, up 4 million ( percent) from the million Americans who volunteered in 2002. Because of that growth and the continuing.