Some links about elections and electoral systems

Instituto Nacional Electoral (Mexico)
it also has links to the state electoral institutes for state election data

Database of TV advertising content for Mexican 2012 elections (to be posted soon)

David Leip's Atlas of U.S. Presidential Election Results

A great worldwide directory at Elections Resources on the Internet/ Recursos electorales en la Internet
by Manuel Alvarez-Rivera

Including explanatory pages on:  Australia
Spain
Canada

Australian Electoral Comission or Adam Carr's Australian Elections Archive will tell you all you want to - and don't want to - know about Australian elections 

Election Comission of India runs the greatest electoral exercise in the world

UK Election Comission has recent elections data
For historical UK data - and lots of great trivia! - check out David Boothroyd's United Kingdom Election Results

A lot of the info on electoral systems around the world can be found at the ACE Project site

And, finally, last but not the least, THE OFICIAL MONSTER RAVING LOONY PARTY
Vote for insanity: You know it makes sense!