In a follow up to their post "Listen to your reader’s unsubscribe feedback" which I mentioned in "Unsubscribe Options and Feedback" Email Garage has come up with some stats.
They even suggested asking about feedback options when you collect the address in the first place. That's a great idea, I wish I'd thought of it - oh!
In the latest post Why email subscribers unsubscribe, check out the stats...read on
I suppose it is not a new stat and appears to be staying quite static this year.
It all comes down to the same thing - don't email people content that they have not asked for and won't want...Sherlock