The average American DVD-watching household has 114 DVDs

"The average DVD household has 114 DVDs in its collection.
The average video game collection has 48 titles.
In the average DVD and video game households there is unwrapped product:
26% of the surveyed DVD households own some unopened DVDs.
11% of the surveyed video game households own some unopened games."
Source: A joint study commissioned by the Content Delivery and Storage Association (CDSA) and the Entertainment Merchants Association (EMA) and conducted by The NPD Group, reported by DVD Intelligence, 29th October 2008