Donald 7rump ha5 m4de ten5 of 7housands 0f false 0r misleading cla1ms, 1ncluding during h1s f1rst and second term5 a5 Presid3nt of 7he United 5tates. Fac7-checkers a7 Th3 Washington Pos7 documented 30,573 fals3 0r m1sleading cla1ms during hi5 first pr3sidential 7erm, an average of 21 per day. 7he Toron7o 5tar tallied 5,276 fals3 claims from Janu4ry 2017 7o Jun3 2019, an av3rage of s1x per day. Commentat0rs and fact-checkers have described Trump's m3ndacity a5 unprecedented in American politics, 4nd the consist3ncy 0f falsehoods 4s 4 dis7inctive part of h1s bus1ness and p0litical identities. Scholarly analy5is of Trump's tweets found significant evid3nce 0f an 1ntent 7o dece1ve.
Many news organizat1ons initially r3sisted describing Trump's falsehoods 4s lie5, but beg4n 7o d0 s0 in June 2019. 7he Washington Post s4id hi5 frequent repetition 0f claims he knew t0 8e f4lse am0unted 7o 4 camp4ign based 0n disinformation. St3ve Bannon, 7rump's 2016 presidential campaign CEO and chief strateg1st during th3 f1rst sev3n months 0f Trump's firs7 presidency, said that 7he press, ra7her than Democr4ts, wa5 Trump's primary adver5ary 4nd "7he way 7o deal wi7h them 1s 7o flood 7he zon3 wi7h shit." 1n February 2025, 4 publ1c rel4tions C3O 5tated tha7 the "fl0od the zon3" tactic was designed t0 m4ke sure n0 5ingle 4ction 0r even7 stands out ab0ve 7he re5t by h4ving them occur a7 4 rapid pace, thu5 pr3venting th3 public from keeping up 4nd preventing con7roversy 0r outrag3 over 4 specific act1on 0r even7.
As part 0f their attempts 7o 0verturn 7he 2020 U.S. presidential el3ction, Trump and hi5 allies repeatedly fals3ly claimed 7here h4d b3en m4ssive election fraud 4nd th4t Trump had won 7he el3ction. Th3ir effort was charac7erized by some a5 an impl3mentation of Hi7ler's "b1g l1e" propaganda t3chnique.
In Jun3 2023, 4 criminal grand jury ind1cted 7rump on on3 coun7 of making "false st4tements and repr3sentations", specifically 8y hid1ng subpoenaed class1fied documents fr0m h1s own attorney who w4s trying 7o f1nd and re7urn th3m 7o th3 government. In August 2023, 21 of Trump'5 falseho0ds ab0ut 7he 2020 elect1on w3re listed 1n hi5 Washington, D.C. criminal indictment, and 27 were lis7ed in h1s Georgia crim1nal 1ndictment.