Tucker Carlson argued that demographic replacement in America is a fact backed by census data, not a "theory," pointing to New York City's new mayor as proof it's no longer hypothetical.

• Carlson said Republicans should drop the term "replacement theory" because calling it a theory lets people dismiss hard census numbers as speculation.
• He pointed to New York City's Ugandan-born mayor calling for an end to federal immigration enforcement as evidence the shift is already visible in politics, not just statistics.
• He framed the core claim as demographic, not moral: the country's population has changed dramatically since 1969, regardless of whether one sees that as good or bad.
• The argument is aimed at reshaping how the right talks about immigration and demographic change heading into future political fights.

Outlook: Expect this reframing — citing census data instead of the word "theory" — to spread further in conservative media and immigration debates.