When a sample of 1,000 u. s. 18- to 29-year-olds diverse in ses and ethnicity was asked, “do you consider yourself to have reached adulthood? ” the majority of those between 18 and 21 gave answer.

No

Explanation: Most 18 - 21 year-olds have recently finished school, and may/may not be working and/or studying further. They may have all of the rights and allowances of an adult, however, most have not yet experienced the responsibilities that come with adulthood, such as renting and managing their own homes, and where an option of returning to the parental home is not an option.