15 percent voters have voted before elections in U.S.

In the United States 15 percent voters have exercised their vote, while 18 percent will vote before the presidential election scheduled on six November. Means one third of American citizens would have exercised their vote before election.

This was known by a survey conducted by the Gallup. In America citizens have the option to vote before election and for this different dates are declared by the states.

According to Gallup, a voter in every four said he has already voted. While other 30 percent will vote before elections. 

According to the survey, 15 percent of President Barack Obama supporters have already voted. 33 percent have indicated to vote before election. While Republican candidate Romni's 17 percent supporters have already voted and 34 per cent other will vote before the election.