[영문]According to the U.S. Department of Labor, the number of people who volunteered rose from 59.8 million in 2002 to 65.4 million in 2005. Those volunteering benefit from their activity in various ways; however, these benefits are non-pecuniary and are generally not recognized in the national economic accounts used to measure gross domestic product (GDP). This paper uses data from the 2002?05 Current Population Survey Volunteer Supplements to assign a dollar value to volunteering. Different methodologies yield annual estimates from