US Senate Elections in 2020 that Democrats will win from Safe/Landslide to Tilt/Narrow margin.
Safe D(greater than 12.5 percent margin)
36)RI(Reed-D)
37)MA(Markey-D)
38)OR(Merkley-D)
39)IL(Durbin-D)
40)DE(Coons-D)
41)NJ(Booker-D)
42)NM(Lujan-D)
43)VA(Warner-D)
44)NH(Shaheen-D)
Likely D(7.5 to 12.5 percent margin)
45)CO(Hickenlooper-D)
46)MN(Smith-D)
47)AZ special(Kelly-D)
48)MI(Peters-D)
Lean D(2.5 to 7.5 percent margin)
49)NC(Cunningham-D)
50)ME(Gideon-D)
Tilt D(less than 2.5 percent margin)
51)IA(Greenfield-D)
52)MT(Bullock-D)
Democrats guide to a majority is winning all of the Democratic held seats up for re-election in 2020 except AL(Jones-D loses to Tuberville-R) and picking up at least 4 Republican held US Senate seats up for re-election in 2020 with the White House or 5 without the White House.
AZ special(Kelly-D defeats McSally-R)
CO(Hickenlooper-D defeats Gardner-R)
ME(Gideon-D defeats Collins-R)
NC(Cunningham-D defeats Tillis-R)
the 5th Republican held US Senate seat the Democrats are likely to pick up is
IA(Greenfield-D vs Ernst-R) or MT(Bullock-D vs Daines-R)