World's Smallest Political Quiz 
The original two-dimentional political quiz devised in 1969 by the political scientist David Nolan.
http://www.theadvocates.org/quiz.htmlWorld's Enhanced Precision Political Quiz
A longer version of the Nolan quiz.
http://www.quiz2d.com/
Politopia
Provides a political philosophy quiz and an ideology map, aimed specially for the youth. Sponsored by the Institute for Humane Studies.
http://www.politopia.com/
The F Scale
Online, interactive questionnaire designed to "yield an estimate of fascist receptivity at the personality level."
http://www.anesi.com/fscale.htm
The Political Compass
A quiz based on World's Smallest Political Quiz and the F Scale.
http://www.politicalcompass.org/
