Constant Contact surveyed 1,497 smartphone owners to gain deeper insights into mobile email open rate habits among different age demographics. The study found that among participants age 18 to 30 years, 88 percent open email on a mobile device, with more than half – 52 percent – confirming their smartphone is their primary device for opening emails. For survey respondents age 30 to 39, 85 percent open emails on their mobile device with nearly half - 48 percent - claiming their smartphone is their primary device for email. Of the respondents age 40 to 49, 74 percent confirmed they read emails on their devices, but only 35 percent of this age demographic said that their smartphone was their primary device for reading emails. These percentages continue to drop as the audience age matures, with 71 percent of survey respondents age 50 to 59 reading emails on their phone and 26 percent claiming their smartphone is their primary email device. Of the respondents age 60 and older, 66 percent read emails on their smartphone, but only 14 percent claim it to be their primary device for reading emails. Get the full story at Marketing Land