SpecShadow: I don't have any.
It's a silly concept for me.
Games are not a job, and they feel like one when you are forced to beat then to scratch from imaginary to-do list.
Even if I did have one....I don't have enough time to do this, employed or unemployed - doesn't matter.
Fair points, but do you never say to yourself "I should really read this book at some point" or make a mental note to watch a certain movie when you get the chance to? I think what we call "backlog" isn't that different, it's just that it can easily get out of hand due to the huge supply of available games on the market or in your collection. But in this context, it can also be of help if you have a list that allows you to keep an overview and focus on the games you're most interested in, especially if you do not have much time to play. If a "backlog" is not helping but rather stressing out the players and if it feels like a chore, then I agree, it's time to rethink the concept.
(Usually these lists should only contain titles you're likely to enjoy, of course. But people also read books or watch movies out of historical interest or just to see what everyone is talking about, even if they end up disliking them, so for some that's a valid motivation, too, I think.)