Study Says 90 of Millennials Use Their Phones in the Bathroom For Generation Z, br it is a whopping 96! Generation X clocked in at 82, while br 57 of baby boomers use their phone in bathroom. The study was conducted by phone reseller br Bank My Cell between June 1 and August 31 br of 2018. To get results, the website br surveyed over 2,114 people. 80 of men use their phones on the toilet while 69 of women do the same. For Android users, 12 more of them use their devices in the restroom than iPhone owners. Bank My Cell goes on to add that phones are br 10 times dirtier than toilet seats! Using the phone on the porcelain throne is the most popular in New York, California and Georgia.