Polls · 2028 presidential election, national
Harvard / Harris , 28 September 2026
Harvard / Harris has JD Vance ahead of Donald Trump Jr. by 15 points in 2028 presidential election, national, 39% to 24%. Since its previous poll (12 July 2026): Donald Trump Jr. +6 (18 → 24), Marco Rubio −5 (22 → 17), JD Vance −3 (42 → 39).
| Race | 2028 presidential election, national |
|---|---|
| Fieldwork | 26 September 2026 – 28 September 2026 |
| Stage | primary R |
| Sample | – (registered voters) |
| Method | – |
| Release | release |
| In our average | No: a primary, another matchup, an older poll of the same pollster, or older than the window |
Main
 JD Vance R |
39 | |
 Donald Trump Jr. R |
24 | |
 Marco Rubio R |
17 | |
 Robert F. Kennedy Jr. R |
9 | |
| Other | 8 | |
 Nikki Haley R |
5 |
Against the other polls
Against the median of the 3 other polls of this race taken within a week of it: Donald Trump Jr. 24% against 10.5%; Marco Rubio 17% against 20%.
Harvard / Harris's previous poll of this race, 12 July 2026 →
Photo credits
- Donald Trump Jr.: Photo: Gage Skidmore from Surprise, AZ, United States of America, CC BY-SA 2.0, via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Donald_Trump,_Jr._(53808883476)_(cropped).jpg)
- JD Vance: Photo: Emily J. Higgins, Public domain, via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:March_2026_Official_Vice_Presidential_Portrait_of_JD_Vance.jpg)
- Marco Rubio: Photo: U.S. Department of State, Public domain, via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Official_portrait_of_Secretary_Marco_Rubio.jpg)
- Nikki Haley: Photo: United States Department of State, Public domain, via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Nikki_Haley_official_photo.jpg)
- Robert F. Kennedy Jr.: Photo: U.S. Department of Health and Human Services, Public domain, via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Robert_F._Kennedy_Jr.,_official_portrait_(2025)_(cropped_3-4).jpg)