Next year will be the 54th time in which a state simultaneously hosts elections for each of its U.S. Senate seats; in only eight cases has the electorate split its vote between two parties.
Only one region of the country is regularly seeing both parties win U.S. Senate seats in the vast majority of its states.
No appointed US Senator has ever won a primary runoff and only two incumbents who placed second in the initial primary have done so.
Record partisan winning streaks in races for governor can be extended, broken, or tied in 15 states holding elections in 2018.
In an unusually competitive race, Democrats failed to pick up a GOP-held seat in the Palmetto State for a nation-leading 61st election in a row.
Palmetto State Democrats have failed to flip a GOP-held U.S. House seat in a nation-leading 60 consecutive contests.
Not since before World War II have five U.S. House special elections been conducted during the first six months of a new Congress.
The Alabama duo served alongside one another for the 27th longest stretch in the chamber’s history.
However, nearly one in six governors of the Palmetto State did not finish their term.
GOP U.S. Senators continue to win renomination, but many state party records are falling each cycle for the worst ever showings by a Republican incumbent.