I believe when I checked the other day, each of my druids had bout 5-7 days each. So 10-14 or so days total for me, with just those two. But if I go tally my p2p account, It will be much higher.
I remember my first char, had 42 days played when I reached lvl 70 (highest lvl back then), hadn't even twinked or anything, I just ran around grinding mobs, because I didn't know what quests were the first 30 lvls....
Just over 200 hours on the 4 toons i play often, id add the total between all toons but ive deleted soo many id just get depressed at how much of my life i waste on wow.