About Morning Consult Political Intelligence
On a daily basis, Morning Consult surveys over 5,000 registered voters across the United States. Along with approval ratings for senators, Political Intelligence tracks the 2020 election as well as the approval ratings for all governors, and House members, the President, and more at the national, state and congressional district level. Each week, we will release a report with the most important findings on the 2020 election. Sign-up to receive that report in your inbox here.
Results from the most recent update
Morning Consult conducted 472,802 surveys with registered U.S. voters from January 1 through March 31, 2019 to determine the Q1 2019 Senator Rankings.
The margins of error vary by state and party. You can see the margin of error for each senator here.
In each poll, Americans indicated whether they approve or disapprove of the job performance of their U.S. senators. For each question, they could answer strongly approve, somewhat approve, somewhat disapprove, strongly disapprove, or don’t know / no opinion.
Morning Consult obtained an up-to-date list of senators from Sunlight Foundation’s Congress API v3 and Open States API. Survey respondents were assigned to their appropriate senators based on their state of residence.
Morning Consult obtained population parameters for registered voters from the November 2012 Current Population Survey. We applied post-stratification weights based on gender, age, educational attainment and race.
How are senators determined to be vulnerable?
Senators marked as vulnerable are up for reelection in 2020 and occupy a seat that is not considered safe by at least one of the following outlets: Cook Political Report, Inside Elections, or Sabato Crystal Ball.