In the United States, the winner of a presidential election is not the person with the most votes. Instead, it is the person who wins the most votes in the electoral college. In this process, a group of people called electors vote for president. Each state has a certain number of electors depending on how many people live there. There are 538 electors in all. For a person to become president, he or she must get 270 or more votes from the electors.