comScore Networks conducted a research over blog penetration among web readers. It seems that - guess what? - Italians read blogs less that all other Westerners do, with the exception of Germans. In fact:

Among the eight countries examined in the study, Canada saw the highest penetration of visitors to blogs, with 58 percent of all internet users visiting the category in October 2006. Half (51 percent) of all internet users in Spain also visited blogs.

And:

Of the selected countries, only Germany (26 percent) and Italy (31 percent) had a lower penetration of internet visitors to the blogs category than the United States (36 percent).

Here the full research and tables.