The Mint blog has compiled in one place a wealth of data about the decline of the print newspaper. The data points come from the Newspaper Association of America and Bloomberg.
Curiously the data doesn't include aggregate figures from Mint users - which conceivably they can compile by looking at payments to newspaper delivery companies and the like. It would have been interesting to see how this trend is sliced among Mint users, who are more tech savvy.
The full size infographic is here. Highlights below via Mint.


