How Fox News viewership increases belief in the anti‑immigrant great replacement theory

During a Washington Nationals baseball game on May 17, 2026, three people unfurled a large banner from the upper deck of Nationals Park displaying a link to a white nationalist website.

The website, warning of the replacement of whites by people of color, called for the deportation of 100 million people from the United States.

The disturbing incident reflects the broader ascendance of the “great replacement theory,” the xenophobic conspiracy theory asserting that shadowy elites are embracing permissive immigration policies to replace native-born white Americans with immigrants of color.

Prominent Republicans, including President Donald Trump, Speaker of the House Mike Johnson and conservative podcaster Tucker Carlson, have echoed ideas associated with the great replacement theory. And conservative media outlets, such as Fox News, have disseminated them to millions of viewers.

But are the xenophobic ideas recently expressed at Nationals Park limited to a small number of extremists, or are they also endorsed by the broader public? If the latter, how do political and media elites contribute to their spread?

To answer these questions, our team has conducted several nationally representative surveys that ask Americans about their support for key tenets of the great replacement theory.

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