Here’s the news article.
One in Five U.S. Adults Now Has a Tattoo
http://www.harrisinteractive.com/NewsRoom/HarrisPolls/tabid/447/mid/1508/articleId/970/ctl/ReadCustom%20Default/Default.aspx
This doesn’t include all the other forms of body mutilation that are done.
i wonder if that means 40% of the population are getting it regularly