The former minister told a leadership contest rally in his Newark seat that he wants to “revitalize our party” and make it a “mass membership organization once more.”
He admitted that the Conservative Party had “let too many people down” and that it needed to “confront some hard truths”.
“The primary one is that we broke our promise to the British public to deliver controlled and reduced migration and the secure border that the public rightly demand,” according to him.
Mr Jenrick resigned as immigration minister over Mr Sunak’s intention to transfer migrants to Rwanda, citing the law.
He told the audience that he quit because he was “not willing to be just another minister who makes and breaks promises on immigration”
However, Mr. Jenrick stated that he resigned due to the numerous failed promises about the economy and the NHS.
“We poured money into the black hole of waste and inefficiency. We permitted new quangos to form. “We let poor management go unpunished,” he added.
“We let the NHS’s front-line lions to be let down by the donkeys in the back offices.