Chris Hopkins, political research director at Savanta, said: "Although the series has garnered a massive amount of attention, it appears the public are not convinced the Sussexes version of events portrayed by Netflix will be accurate.
"Despite their best efforts, the Duke and Duchess of Sussex are viewed as two of the most unfavourable members of the Royal Family. The series is an effort by them to show that this view held by the public is due to media attacks, perhaps even directed by the Palace.
The couple are the stars of the new documentary series on the streaming serviceMike Coppola/Getty Images for 2022 Robert F. Kennedy Human Rights Ripple of Hope Gala
"Time will tell who will get more public support, but it's doesn't appear from this polling that it will give the Sussexes the result they were hoping for.”