NEW YORK—Demography Today, a new magazine targeting the demographer demographic, is set to make its debut on U.S. newsstands this week. "Our statistical data indicated that there exists a large, untapped market of people who are interested in statistical data and untapped markets," Demography Today editor-in-chief Lewis Arnell said. "We've created this magazine for just such 22- to 65-year-old demographers who have 2.1 children, spend $1,630 at restaurants annually, and watch 14.5 hours of television per week."