If Democrats regain control of the US Senate in 2018 and the US Presidency in 2020,
2024 will be the year Democrats lose control of the US Presidency- if Democratic incumbent is unpopular and US Senate-if Republicans win back control of the US Presideny.
2026 will be the year Democrats lose control of the US Senate- if Democrat wins the 2024 US Presidential Election.
2018
Democrats pick up AZ,NV, and/or TN if Blackburn-R makes gaffes on the campaign trail and TX- if Cruz-R makes gaffes and O'Rourke-D makes no gaffes on the campaign trail.
+2D to +4D
51D 49R
52D 48R
53D 47R
2020
Democrats lose AL
Democrats pick up CO,AZ special,NC,IA,GA,ME if OPEN, MT if Bullock-D runs, and TX if Democrats win in 2018.
+4D to +7D
55D 45R
56D 44R
57D 43R
58D 42R
59D 41R
60D 40R
2022
Democrats lose AZ and/or NH if Sununu-R or Ayotte-R runs.
Democrats hold onto CO and NV
Democrats could pick up PA and WI.
-0D to -2D
53D 47R
54D 46R
55D 45R
56D 44R
57D 43R
58D 42R
59D 41R
60D 40R
2024- Democratic POTUS loses re-election.
Democrats lose FL-OPEN,IN,MO,MT,ND,TN-OPEN,TX if Democrats win in 2018 and WV-if OPEN
-8D
45D 55R
46D 54R
47D 53R
48D 52R
49D 51R
50D 50R
51D 49R
52D 48R
2024- Democratic POTUS wins re-election.
Democrats pick up TX if they did not pick it up in 2018.
Democrats lose TN- OPEN and WV- if OPEN.
0D to -2D
51D 49R
52D 48R
53D 47R
54D 46R
55D 45R
56D 44R
57D 43R
58D 42R
59D 41R
60D 40R
2026- Democratic POTUS
Democrats lose GA,IA,MT,NH if OPEN,NC, and TX if Democrats win it in 2020.
-4D to -6D
45D 55R
46D 54R
47D 53R
48D 52R
49D 51R
50D 50R
51D 49R
52D 48R
53D 47R
54D 46R
55D 45R
56D 44R