1.
© 2019 Ipsos 1
Core Political Data
JUNE 6, 2019
Ipsos Poll Conducted for Thomson Reuters
© 2019 Ipsos. All rights reserved. Contains Ipsos' Confidential and Proprietary information and may not be disclosed or reproduced without the prior written
consent of Ipsos.

2.
© 2019 Ipsos 2
For the survey,
a sample of
4,416
Americans
including
1,537
Democratic
Registered
Voters
1,382
Republican
Registered
Voters
734
Independent
Registered
Voters
18+
ages
w e r e i n t e r v i e w e d o n l i n e
3,851
Registered
Voters
These are findings from an Ipsos poll conducted
for date
May 29-June 5, 2019
Core Political Data
IPSOS POLL CONDUCTED FOR REUTERS

3.
© 2019 Ipsos 3
Core Political Data
IPSOS POLL CONDUCTED FOR REUTERS
The precision of the Reuters/Ipsos online polls is measured using a credibility interval.
In this case, the poll has a credibility interval of plus or minus the following percentage points
For more information about credibility intervals, please see the appendix.
1.7
All Adults
2.9
Democratic
Registered Voters
3.0
Republican
Registered Voters
4.1
Independent
Registered Voters
1.8
All Registered
Voters

4.
© 2019 Ipsos 4
• The data were weighted to the U.S. current population data by:
– Gender
– Age
– Education
– Ethnicity
– Region
• Statistical margins of error are not applicable to online polls.
• All sample surveys and polls may be subject to other sources of error, including, but not limited to coverage error and measurement
error.
• Figures marked by an asterisk (*) indicate a percentage value of greater than zero but less than one half of one per cent.
• Where figures do not sum to 100, this is due to the effects of rounding.
• To see more information on this and other Reuters/Ipsos polls, please visit: http://polling.reuters.com/
Core Political Data
IPSOS POLL CONDUCTED FOR REUTERS

5.
© 2019 Ipsos 5
Right Direction/Wrong Track
ALL ADULT AMERICANS
Right Direction
Wrong Track
Don’t know
32%
57%
10%
All Adults
Generally speaking, would you say things in this country are heading in the right direction, or are they off on the wrong
track?
33%
58%
9%
All
Registered
Voters
12%
82%
6%
Democratic
Registered
Voters
64%
27%
9%
Republican
Registered
Voters
29%
62%
10%
Independent
Registered
Voters

6.
© 2019 Ipsos 6
Most Important Problem Facing America
ALL ADULT AMERICANS
All Adults All Registered Voters
Democratic
Registered Voters
Republican
Registered Voters
Independent
Registered Voters
Economy generally 13% 13% 14% 12% 14%
Unemployment / lack of jobs 4% 4% 5% 2% 3%
War / foreign conflicts 2% 2% 2% 2% 3%
Immigration 19% 20% 7% 37% 20%
Terrorism / terrorist attacks 5% 5% 4% 7% 5%
Healthcare 19% 19% 26% 11% 18%
Energy issues 1% 1% 2% 0% 1%
Morality 7% 7% 4% 11% 7%
Education 5% 5% 6% 3% 5%
Crime 5% 5% 6% 5% 3%
Environment 8% 8% 13% 2% 8%
Other 9% 9% 10% 6% 11%
Don’t know 3% 2% 2% 1% 2%
In your opinion, what is the most important problem facing the U.S. today?

7.
© 2019 Ipsos 7
Most Important Problem Facing America
ALL ADULT AMERICANS
In your opinion, what is the most important problem facing the U.S. today?
2012 2013 2014 2015 2016 2017 2018 2019
0%
5%
10%
15%
20%
25%
30%
35%
40%
45%
Economy generally
Unemployment / jobs
Healthcare
Terrorism
Immigration

8.
© 2019 Ipsos 8
Donald Trump’s Approval
ALL ADULT AMERICANS
Overall, do you approve or disapprove of the way Donald Trump is handling his job as President?
Is that strongly (approve/disapprove) or somewhat (approve/disapprove)? (Asked of those who selected “approve” or “disapprove”)
Q2b. If you had to choose, do you lean more towards approve or disapprove? (Asked of those who selected “don’t know”)
All Adults Registered Voters
Democratic
Registered Voters
Republican
Registered Voters
Independent
Registered Voters
Strongly approve 20% 21% 3% 46% 17%
Somewhat approve 17% 18% 6% 34% 16%
Lean towards approve 2% 2% 1% 2% 2%
Lean towards disapprove 2% 2% 1% 1% 2%
Somewhat disapprove 14% 13% 15% 9% 17%
Strongly disapprove 42% 43% 73% 7% 43%
Not sure 3% 2% 1% 1% 3%
TOTAL APPROVE 39% 40% 10% 82% 36%
TOTAL DISAPPROVE 57% 57% 89% 17% 61%

9.
© 2019 Ipsos 9
0%
10%
20%
30%
40%
50%
60%
70%
Jan20-24,2017
Feb3-7,2017
Feb17-21,2017
March3-7,2017
March17-21,2017
March31-April4,2017
April21-25,2017
May5-9,2017
May19-23,2017
June2-6,2017
June16-20,2017
June30-July4,2017
July14-18,2017
July28-Aug1,2017
Aug11-15,2017
Aug25-29,2017
Sept8-12,2017
Sept22-26,2017
Oct6-10,2017
Oct20-24,2017
Nov3-7,2017
Nov17-21,2017
Dec1-5,2017
Dec15-19,2017
Dec29,2017-Jan2,2018
Jan12-16,2018
Jan26-30,2018
Feb9-13,2018
February23-27,2018
March9-13,2018
March23-27,2018
April6-10,2018
April20-24,2018
May4-8,2018
May18-22,2018
June1-5,2018
June15-19,2018
June28-July2,2018
July13-17,2018
July27-31,2018
August8-14,2018
August22-28,2018
Sept5-11,2018
Sept19-25,2018
October3-9,2018
October17-23,2018
November7-13,2018
November21-27,2018
December5-11,2018
December19-25,2018
January2-8,2019
January16-22,2019
Jan30-Feb5,2019
February20-26,2019
March6-12,2019
March20-26,2019
April5-9,2019
April17-23,2019
May6-7,2019
May17-20,2019
May29-June5,2019
39%
57%
Donald Trump’s Weekly Approval
ALL ADULT AMERICANS
Overall, do you approve or disapprove of the way Donald Trump is handling his job as President?

10.
89%
58%
68%
88%
52% 52%
33% 36% 39% 43%
18% 18% 16% 18% 18%
12%
18% 22%
8%
20%
11%
19%
37%
10%
87%
82% 78% 81%
76%
78%
68%
73%
68%
76%
59% 64%
56% 61%
56%
58%
64%
53% 55%
65%
58%
61%
51%
54%
2020 Democratic Presidential Candidates
FAMILIARITY & FAVORABILITY AMONG DEMOCRATIC REGISTERED VOTERS
How familiar are you with the following public figures, taking into account all the ways you may have heard about them?
Would you say you are generally favorable or unfavorable towards these public figures? (Asked only of those aware of the
individual people in the previous question)
Familiarity Favorability

11.
82%
45%
58%
80%
41% 40%
24% 26%
31%
32%
15% 15% 12% 12%
15%
9% 13%
19%
6%
15%
9%
14%
32%
8%
59%
52% 50% 54% 50% 50% 47% 49% 47% 51% 45%
45% 41% 42% 42% 45% 48%
43% 41% 45% 44%
46%
36%
43%
2020 Democratic Presidential Candidates
FAMILIARITY & FAVORABILITY AMONG ALL AMERICANS
How familiar are you with the following public figures, taking into account all the ways you may have heard about them?
Would you say you are generally favorable or unfavorable towards these public figures? (Asked only of those aware of the
individual people in the previous question)
Familiarity Favorability

12.
36%
8%
11%
16%
4% 2% 1% 1% 0%
5%
0% 0% 0% 0% 0% 0% 1% 0% 0% 0% 0% 0% 0% 0% 1%
10%
2020 Democratic Primary Horserace
DEMOCRATIC REGISTERED VOTERS
If the 2020 Democratic presidential primary election were held today, and you had to choose from the list of candidates
below, for whom would you vote?

13.
31%
6%
9%
14%
3% 2% 1% 2% 0%
5%
1% 1% 0% 0% 0% 0% 1% 1% 0% 0% 0% 0% 1% 0% 1%
12%
2020 Democratic Primary Horserace
DEMOCRATIC AND INDEPENDENT REGISTERED VOTERS
If the 2020 Democratic presidential primary election were held today, and you had to choose from the list of candidates
below, for whom would you vote?

14.
17%
14% 14%
20%
6% 6%
3% 3% 2%
7%
10%
Joe Biden Kamala Harris Elizabeth
Warren
Bernie Sanders Beto O'Rourke Cory Booker Julian Castro Amy Klobuchar Kirsten
Gillibrand
Pete Buttigieg Other
2020 Democratic Primary Horserace – Second Choice
DEMOCRATIC REGISTERED VOTERS
If your first choice dropped out of the race or you had to choose someone to vote for, who would you vote for in the
upcoming presidential primary election?

15.
15%
13% 12%
19%
6% 6%
3% 3%
2%
7%
15%
Joe Biden Kamala Harris Elizabeth
Warren
Bernie Sanders Beto O'Rourke Cory Booker Julian Castro Amy Klobuchar Kirsten
Gillibrand
Pete Buttigieg Other
2020 Democratic Primary Horserace – Second Choice
DEMOCRATIC AND INDEPENDENT REGISTERED VOTERS
If your first choice dropped out of the race or you had to choose someone to vote for, who would you vote for in the
upcoming presidential primary election?

16.
© 2019 Ipsos 16
Political Identity
17%
12%
10%
9%
11%
12%
19%
2%
7%
29%
23%
40%
32%
19%
9%
Strong Democrat
Moderate Democrat
Lean Democrat
Lean Republican
Moderate Republican
Strong Republican
Independent
Other
Don't know/Refused
Democrat
Republican
Democrat
Republican
Independent
Other/None/Don't know
Party ID
Party ID w/ Lean
ALL ADULT AMERICANS
With which political party do you most identify?

17.
© 2019 Ipsos 17
How to Calculate Bayesian Credibility Intervals
APPENDIX
The calculation of credibility intervals assumes that Y has a binomial distribution conditioned on the
parameter θ, i.E., Y|θ~bin(n,θ), where n is the size of our sample. In this setting, Y counts the number
of “yes”, or “1”, observed in the sample, so that the sample mean (ത𝑌) is a natural estimate of the true
population proportion θ. This model is often called the likelihood function, and it is a standard concept
in both the bayesian and the classical framework. The bayesian 1 statistics combines both the prior
distribution and the likelihood function to create a posterior distribution.
The posterior distribution represents our opinion about which are the plausible values for θ adjusted
after observing the sample data. In reality, the posterior distribution is one’s knowledge base updated
using the latest survey information. For the prior and likelihood functions specified here, the posterior
distribution is also a beta distribution (π(
𝜃
𝑦
)~β(y+a,n-y+b)), but with updated hyper-parameters.
Our credibility interval for θ is based on this posterior distribution. As mentioned above, these intervals
represent our belief about which are the most plausible values for θ given our updated knowledge base.
There are different ways to calculate these intervals based on π (
𝜃
𝑦
). Since we want only one measure of
precision for all variables in the survey, analogous to what is done within the classical framework, we will
compute the largest possible credibility interval for any observed sample. The worst case occurs when
we assume that a=1 and b=1 and y=n/2. Using a simple approximation of the posterior by the normal
distribution, the 95% credibility interval is given by, approximately: ഥ𝑌 ∓
1
𝑛

18.
© 2019 Ipsos 18
FOR THIS POLL
The Bayesian credibility interval was adjusted using standard weighting design effect 1+L=1.3 to account for complex
weighting2
Examples of credibility intervals for different base sizes are below:
How to Calculate Bayesian Credibility Intervals
APPENDIX
SAMPLE SIZE
CREDIBILITY
INTERVALS
2,000 2.5
1,500 2.9
1,000 3.5
750 4.1
500 5.0
350 6.0
200 7.9
100 11.2
1 Bayesian Data Analysis, Second Edition, Andrew Gelman, John B. Carlin, Hal S. Stern, Donald B. Rubin, Chapman & Hall/CRC | ISBN: 158488388X | 2003
2 Kish, L. (1992). Weighting for unequal Pi . Journal of Official, Statistics, 8, 2, 183200.
Ipsos does not publish data
for base sizes
(sample sizes) below 100.

19.
© 2019 Ipsos 19
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