… Over the first two years of Trump’s presidency, the average GOP member overwhelmingly sided with Trump — 93 percent of the time in the House and 91 percent of the time in the Senate, according to FiveThirtyEight’s Trump score metric, which tracks how often each member of Congress votes with the president. …
While it’s unclear how voting patterns will shift in the new Congress, what is particularly striking is just how effective Trump has been in securing party loyalty in the first two years of his presidency. As you can see in the chart below, Senate Democrats didn’t coalesce as neatly around Obama during his first two years in office as Senate Republicans did around Trump. CONT.
Sarah Frostenson, FiveThirtyEight