Senators are staggered, Representatives all go up for re-election every two years. I thought you mean Representatives, just Senators are staggered.
https://walberg.house.gov/about/how-congress-works
How many members of Congress are there?
There are a total of 535 Members of Congress. 100 serve in the U.S. Senate and 435 serve in the U.S. House of Representatives.
How long do members of Congress’ terms last?
Members of the House of Representatives serve two-year terms and are considered for reelection every even year. Senators however, serve six-year terms and elections to the Senate are staggered over even years so that only about 1/3 of the Senate is up for reelection during any election.
Threats. Blackmail. Intimidation.
How Hollywood & DC elites remain in power.
When the house of cards [KS] comes crashing down.
[AS] feeling okay today?https://t.co/IT2NscfTHd— Praying Medic (@prayingmedic) December 30, 2018
https://www.foxnews.com/entertainment/smallville-star-allison-mack-cites-scientology-as-defense-in-sex-trafficking-case
'Smallville' star Allison Mack cites Scientology as defense in sex trafficking case
Almost all of congress was up for election.
Out of 535 Congressional seats, 470 were up for election this midterm.
all 435 house seats and 35 senate seats.