Ad Fontes and AllSides create well known media bias charts, displayed on this page. While they both rate bias, there are some differences in their approach. AllSides rates only online sources while Ad Fontes also includes broadcast media, and Ad Fontes rates accuracy as well as bias. Bias is not static and can change over time. Both organizations share their pervious charts so that you can examine how specific media outlets have changed over time.
Ad Fontes rates both the bias and reliability of media content, including traditional broadcast, podcast and online news sources.
AllSides Media Bias Ratings™ make the political leanings of hundreds of media sources transparent so that you can get the full picture and think for yourself. AllSides has rated over 1,400 sources. The ratings shown below are selection of all the media sources rated--see all the media ratings.
AllSides Media Bias Ratings™ by AllSides.com are licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. These ratings may be used for research or noncommercial purposes with attribution.
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