Since I cannot talk to a large number of Republicans (or Democrats), I prefer to let opinion polls do that for me. Reuters/Ipsos would not appear to have a particular axe to grind on this issue, and as of May of 2021, they had the number at about 53% (they also document their methodology and questions etc.) A more recent poll by the Univ of Mass in Dec 2021 puts the number at 71%.
If you're going to cast "all media" as untrustworthy, then you're doomed to only know the world through your own senses. Yes, there are concerns about the accuracy of polling, for a number of reasons that include partisan response to polling in general. But I'm not prepared to say something like "well, the Republicans I know ...", because there's no possible way for my personal experience of any group (Republicans or not) is sufficient for me to draw any conclusions.
I would have thought that the combination of UMass and Ipsos was reasonably neutral enough that more or less anyone could agree on the claim "a majority of Republicans believe that Joe Biden did not legitimately win the 2020 presidential election". Apparently not ....
If you're going to cast "all media" as untrustworthy, then you're doomed to only know the world through your own senses. Yes, there are concerns about the accuracy of polling, for a number of reasons that include partisan response to polling in general. But I'm not prepared to say something like "well, the Republicans I know ...", because there's no possible way for my personal experience of any group (Republicans or not) is sufficient for me to draw any conclusions.
I would have thought that the combination of UMass and Ipsos was reasonably neutral enough that more or less anyone could agree on the claim "a majority of Republicans believe that Joe Biden did not legitimately win the 2020 presidential election". Apparently not ....