 In the January 2011 referendum on the secession of Southern Sudan from Sudan, 1,100 voters in Deim Zubeir cast their ballot.1,084 (98.91%) voted in favour of separation and 12 (1.09%) for unity with Northern Sudan with 4 invalid votes, according to official results.According to the figures of the Southern Sudan Referendum Commission (SSRC), 1,113 persons had been registered as voters beforehand, which means that the voter turnout was officially around 97.35%.