Before 1992, Nevada went consistently Republican in presidential elections. Since then, Democrats have won the state in five of the seven cycles, including the last three. Prior to 1992, the last Democrats to win the state were John F. Kennedy in 1960 and Lyndon Johnson in 1964.
CNN will broadcast a projected winner only after an extensive review of data from a number of sources.
"Flipped seat" denotes a race where the 2020 projected winner is from a different party than the previous winner or incumbent.
Both Maine and Nebraska allow electoral votes to be split. In Maine, two of four electoral votes go to the statewide winner and one electoral vote goes to the winner in each of the two congressional districts. In Nebraska, two of five electoral votes go to the winner of the statewide vote. One electoral vote goes to the winner in each of Nebraska's three congressional districts.