In Norway, you can find out how much anyone makes by looking up their public tax returns!

http://www.joshuakennon.com/tax-returns-in-norway-are-public...

Not really.

1) Public information is income/assets after deductions, and deductions vary greatly.

2) Only selected newspapers get the whole dataset, everyone else can search in DB, but the searches are logged by Tax Administration (presumably to help police in case someone gets robbed).

>the searches are logged by Tax Administration (presumably to help police in case someone gets robbed).

This was my first thought! A list of high value targets.