Which specific Trump claims have been most frequently rated as false by fact‑checkers, and what evidence corrected them?

1. Election fraud and “the stolen election” — the single most persistently debunked claim

Trump’s assertions that recent U.S. elections were decided by massive, coordinated fraud have been the centerpiece of the most frequent fact‑checks; outlets such as PolitiFact and PBS document repeated claims about mail‑in ballots, noncitizen voting, and interstate conspiracies that lack credible evidence, and courts, state officials and his own Justice Department have repeatedly found no proof of the scale of fraud he alleges ^{[1] [5]}.

2. Immigration counts and criminality — big numbers without a data foundation

Fact‑checkers have flagged Trump’s repeated large figures about unauthorized migration (for example, claims of 21 million or 25 million migrants) and sweeping statements that “many” are criminals as exaggerations or falsehoods; reporting points to those official estimates being far lower and to a lack of evidence tying such migrants en masse to increases in crime, with news outlets noting the figures exceed most credible estimates and that prosecutions and data do not support the criminality framing ^{[2] [6] [7]}.

3. Economic boasts — from “$18 trillion” investment to slashed trade deficits

Multiple fact checks have corrected Trump’s headline economic claims: CNN and FactCheck.org have shown that an asserted $18 trillion in investment in a single year is unsupported and that other claims — such as having “slashed our trade deficit by 77%” — misuse short‑term comparisons or selective months to create misleading impressions, while tariff revenue projections touted to fund large “dividend” payments lack the Congressional plan or fiscal reality to back them up ^{[3] [6] [8]}.

4. Specific policy and numeric falsehoods — egg prices, prescription drug cuts, and foreign‑aid math

Fact‑checkers have repeatedly corrected technical but consequential assertions: the president’s claim that egg prices were “down 82%” was using wholesale not consumer data and lacked needed context; promises that executive action would cut prescription drug prices by “400–600%” were mathematically impossible; and statements that the U.S. gave three times as much aid to Ukraine as Europe were contradicted by compiled aid tallies showing Europe’s larger contribution ^{[3] [4]}.

5. Historical and event misstatements — inaugurations, January 6, and the birther narrative

Longstanding false claims — such as inflating his inauguration crowd size, repeating the “birther” assertions about President Obama, and recharacterizing the January 6 committee’s findings — have been repeatedly corrected by photographic evidence, historical records and the committee’s own reports, with fact‑checkers noting these as emblematic examples cited across the catalogues that track thousands of false or misleading statements ^{[9] [7] [10]}.

6. Why these claims persist and how they were corrected

Fact‑checking organizations and major news outlets cataloguing Trump’s statements — including The Washington Post’s “truth‑tracking,” PolitiFact, FactCheck.org, CNN, PBS and The New York Times — correct these claims by pointing to primary sources (court decisions, government data sets, agency estimates), contemporaneous records (inaugural photographs, committee reports), and cross‑agency confirmations such as the Justice Department’s and state election officials’ findings; scholars and media analysts have also shown how repetition amplifies misperceptions, which helps explain the persistence despite repeated debunking ^{[10] [1] [2] [9]}.

Limitations: available reporting catalogues the most frequently debunked themes and many individual instances, but this synthesis relies on those public fact‑checks and aggregate tallies; it does not exhaustively enumerate every falsehood in the databases maintained by newsrooms and independent trackers ^{[11] [12] [13]}.