Compare your saving and spending
Just stumbled on this site (still in beta), but it looks interesting. It allows you to compare your saving and spending with others in demographic/geographic categories that you specify:
Bundle: The No. 1 Source for How People Spend and Save Money -- Personal Finance Data, Money Advice, Trends, News and Community
Not sure yet where they're getting their data.
Here's an introductory video:
And if I claim to be a wise man, it surely means that I don't know.