Index/Topics/Media Bias Rating Systems

Media Bias Rating Systems

Evaluation of media bias rating systems including AllSides, Ad Fontes Media, and Media Bias/Fact Check in 2025

Fact-Checks

8 results
Jan 24, 2026
Most Viewed

Which outlets do AllSides and Ad Fontes explicitly list as 'Lean Left' in their latest ratings?

-rating-systems">AllSides explicitly assigns certain mainstream outlets — including and — to its “Lean Left” box, according to reporting that cites AllSides’ ratings . , by contrast, does not list tho...

Jan 18, 2026
Most Viewed

The veracity of AllSides

AllSides is a widely used media-bias aggregator that publicly rates over a thousand outlets and fact-checkers using a mix of multipartisan editorial reviews and blind surveys; it positions itself as a...

Jan 18, 2026
Most Viewed

Can All Sides be used as a fact-checking tool for news articles?

AllSides is a valuable tool for contextualizing and cross-checking the political slant of fact-checkers and news outlets, offering bias ratings, aggregated fact-check feeds, and a Fact Check Bias Char...

Feb 3, 2026

Is this Conservative or Liberal site

A reliable determination of whether "this" site is conservative or liberal requires applying established media-bias tools and evidence rather than gut instinct; independent rating projects such as and...

Feb 3, 2026

Which outlets does AllSides currently list as 'Lean Left' on its Media Bias Chart (live list)?

maintains a live -rating-systems">Media Bias Chart that assigns outlets to categories including "Lean Left," and the definitive, up-to-date roster of which outlets sit in that box is published on AllS...

Jan 24, 2026

how many news agencies are owned by far-right

There is no authoritative, research-backed count in the supplied reporting that answers “how many news agencies are owned by ” actors; the sources map the landscape of but do not enumerate ownership s...

Jan 21, 2026

How do AllSides, Ad Fontes Media and Media Bias/Fact Check differ in methodology?

—, and —share a stated mission of helping readers identify bias, but they use materially different processes and signals: AllSides emphasizes crowd and expert panels to place outlets on a single left–...

Jan 19, 2026

What methodology do fact-checkers use to assess news outlet political bias?

Fact‑checkers and media‑rating groups combine human review, structured blind surveys, statistical coding and increasingly automated computational methods to estimate a news outlet’s political lean — a...