It's not the voting that's democracy, it's the counting:
Statistical detection of systematic election irregularities

Peter Klimek, Yury Yegorov, Rudolf Hanel, Stefan Thurner

Election fingerprints

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Austria 2008
Finland 2011
Russia 2003
Russia 2007
Russia 2011
Russia 2012
Spain 2008
Switzerland 2007
Uganda 2011
UK 2010
USA 2000
USA 2008

Get the news:

Science News: Election night numbers can signal fraud
Nature News: Democracy isn't all it is cracked up to be


Please, make us aware of election result data on district level (with at least approximately thousand districts) from countries which are not included in the above list by sending us a mail with the source!