Here is the full list of Pixar films listed by popularity based on their Rotten Tomatoes score from fans. Many fans will point out the best films or the worst films produced by Pixar, but those are just their own opinions. These ratings are based on fans as a whole group. I personally have Inside Out, Ratatouille, Onward, Brave, and the Incredibles films at the top of my list.
#1. Onward (2020)
Rating 95%
#2. Toy Story 4 (2019)
Rating 94%
#3. Coco (2017)
Rating 94%
#4. Elemental (2023)
Rating 93%
#5. Toy Story (1995)
Rating 92%
#6. Toy Story 3 (2010)
Rating 90%
#7. Up (2009)
Rating 90%
#8. WALL-E (2008)
Rating 90%
#9. Monsters, Inc. (2001)
Rating 90%
#10. Inside Out (2015)
Rating 89%
#11. Soul (2020)
Rating 88%
#12. Ratatouille (2007)
Rating 87%
#13. Toy Story 2 (1999)
Rating 87%
#14. Finding Nemo (2003)
Rating 86%
#15. Luca (2021)
Rating 85%
#16. Lightyear (2022)
Rating 84%
#17. Incredibles 2 (2018)
Rating 84%
#18. Finding Dory (2016)
Rating 84%
#19. Monsters University (2013)
Rating 81%
#20. Cars (2006)
Rating 80%
#21. Brave (2012)
Rating 75%
#22. The Incredibles (2004)
Rating 75%
#23. A Bug’s Life (1998)
Rating 72%
#24. Cars 3 (2017)
Rating 69%
#25. Turning Red (2022)
Rating 68%
#26. The Good Dinosaur (2015)
Rating 64%
#27. Cars 2 (2011)
Rating 49%
You can verify all these scores on Rotten Tomatoes.