electoral fraud

English Wikipedia has an article on:

electoral fraud

Wikipedia

electoral fraud (uncountable)

1. (politics) Illegal interference with the process of an election, especially with the intent to stage a desired election outcome.
   • 1839, Charles Buller, Edward Gibbon Wakefield, The Report and Despatches of the Earl of Durham:

     The taking such measures, in order to secure their fair right of voting to the electors in a particular interest, must be considered rather as an act of official favouritism, than as an electoral fraud.

   • 1882, M. Valentine Chirol, “Bulgaria”, in The Fortnightly Review, volume 36, page 293:

     He has saddled the finances of the Principality with the costs of a huge electoral fraud.

   • 2015, Isabela Mares, From Open Secrets to Secret Voting:

     In addition to the strength of the Social Democratic candidates, I also examined the relationship between other political factors and the incidence of electoral fraud.