When Barna president David Kinnaman published his 2011 book You Lost Me, we heard from many people (especially church leaders) who were shocked to learn that 59 percent of young adults with a Christian background had dropped out of church at some point during their 20s—many for just a time, but some for good. Eight … More Church Dropouts Have Risen to 64%—But What About Those Who Stay? – Barna Group