2018 United States Senate Election- Most Vulnerable Democratic held US Senate Seat.

1)IN-Donnelly-D is in danger of losing re-election if Republicans nominate Todd Rokita-R or Luke Messer-R.
2)MO-McCaskill-D is in danger of losing re-election if Republicans nominate Ann Wagner-R or Vicky Hartzler-R.
3)ND-Heitkamp-D is in danger of losing re-election if Republicans nominate Kevin Cramer-R.
4)OH-Brown-D is slightly favored to defeat Mandel-R.
5)MT-Tester-D is favored to defeat Matt Rosendale-R or Corey Stapleton-R.
6)WV-Manchin-D is favored to defeat Jenkins-R.
7)FL-Nelson-D is favored to defeat Rick Scott-R.
8)WI- Baldwin-D is favored to defeat Rebecca Kleefish-R
9)VA-Kaine-D is favored to defeat Barbara Comstock-R
10)NM-Heinrich-D is favored to defeat Susan Martinez-R or Richard Berry-R.
11)NJ-Whoever Governor Phil Murphy-D appoints to replace Menendez-D is strongly favored to win re-election.
12)MI-Stabenow-D is strongly favored to win re-election.
13)PA-Casey-D is strongly favored to win re-election.
14)MN-Klobuchar-D is strongly favored to win re-election.
15)ME-King-I/D is strongly favored to win re-election.
16)WA-Cantwell-D is strongly favored to win re-election.
17)MA-Warren-D is strongly favored to win re-election.
18)CT-Murphy-D is strongly favored to win re-election.
19)MD-Cardin-D is strongly favored to win re-election.
20)HI-Hirono-D is strongly favored to win re-election.
21)RI-Whitehouse-D is strongly favored to win re-election.
22)DE-Carper-D is strongly favored to win re-election.
23)CA-Feinstein-D faces another Democrat in the November General Election runnoff.
24)NY-Gillibrand-D runs unopposed.
25)VT-Sanders-I/D runs unopposed.
Democrats lose IN,MO,and ND and pick up NV-Heller-R loses to Titus-D.
46D 54R.
2020
Democrats hold onto most vulnerable seats in MI-Peters,MN-Franken,NH-Shaheen,and VA-Warner and pick up CO-whoever finishes in 2nd place in the 2018 Democratic primary for Governor-Cary Kennedy-D or Ed Perlmutter-D or Jared Polis-D, NC-Josh Stein-D or Beth Wood-D, GA-Stacey Evans-D or Stacy Abrams-D-whoever finishes in 2nd place in the 2018 Democratic primary for Governor, and AK-Ethan Berkowitz-D or Hollis French-D. plus the Whitehouse.