Digital circulation up significantly among BPA member magazines in U.S.

The number of BPA member trade magazines in the U.S. reporting digital circulation in December 2009 (426) is up 26 percent, compared to 337 six months earlier and 308 a year ago, according to a posting by Audience Development. Digital copies made up 17.4% of total circulation for all BPA members reporting them, up 2% since June 2009.