Expected life of CDR

How long are burned CDRs expected to last, assuming that they are cared for and not scratched or otherwise damaged?

And how about unburned disks? Do they have a shelf life that expires?

Thanks.

The answer is: from 1 to 100 years. Read the FAQ and that answer might make more sense.

Quality media: Lots of years
Cheap media: Lots of days

I guess that explains why an audio CD I copied onto CMC media about a year ago has already become unreadable. Jeez, I gotta go find some TY…