The researchers analyzed data gleaned from a free (unnamed) online dating service used widely in four major U.S. cities: New York, Boston, Seattle and Chicago. They found that both women and men regularly pursued dates with potential partners who were roughly 25 percent more desirable than they are. \"I think a common complaint when people use online dating websites is they feel like they never get any replies,\" Elizabeth Bruch, lead author, said in a press statement. Here are some other dating tidbits the researchers found:Older woman are seen as less desirable (desirability peaked at age 18! Learn more about online dating in \"Everything I Ever Needed to Know about Economics I Learned from Online Dating\" by Paul Oyer.