In the U.S. system the President and Vice-President are not directly elected according to whether they receive the most votes but are elected by 535 members of the electoral college who are supposed to vote according to the results in each state.
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|Each state is assigned a certain number of electoral college members. The electors are expected to vote in line with the results in the state elections. In the 2016 election Donald Trump won 306 electors and Hillary Clinton 232. Trump needed just 270 votes to win and he easily achieved that. However, he did not receive 306 votes when the electors actually voted but just 304 and Hillary Clinton lost even more votes receiving just 227.|
2016: four of the seven "faithless" (or "rogue") Electors were in Washington State (which had gone for Mrs. Clinton in the General Election this past 8 November); one (who voted for Senator Sanders) was in Hawaii (which had also gone for Mrs. Clinton); and the remaining two were in Texas (a State which had gone for Mr. Trump in the November Election).
One otherwise Hillary Clinton Elector in Colorado attempted to vote for John Kasich and was replaced by an alternate who, instead, voted for Mrs. Clinton; another otherwise Clinton Elector in Maine attempted to vote for Bernie Sanders, but was ruled Out of Order and, instead, thereafter voted for Mrs. Clinton; and yet another Clinton Elector in Minnesota also attempted to vote for Senator Sanders but, as a result, was also replaced by another person who voted for Mrs. Clinton.