The motion failed in the lower house of parliament, the Sejm, with 231 lawmakers voting against it, 202 in favour and one abstention.
The opposition right-wing Law and Justice (PiS) party accused Kierwiński of mishandling crisis situations, weakening public trust in state institutions and failing to adequately address security threats.
The party also criticised his handling of police staffing, migration and domestic security challenges.
'Man of chaos'
Presenting the motion, PiS lawmaker Andrzej Śliwka accused Kierwiński of creating chaos in law enforcement.
"Minister Kierwiński is a man of chaos: chaos in management, chaos in the law enforcement services and, most outrageously, chaos in the spending of public money," Śliwka told lawmakers.
Polish lawmakers on Wednesday voted 232-202, with one abstention, to reject a no-confidence motion against Interior Minister Marcin Kierwiński, allowing him to remain in office. Photo: PAP/Radek Pietruszka
Prime Minister Donald Tusk came to Kierwiński's defence, praising his performance and dismissing the opposition's criticism.
"You will not succeed because on this issue, on the issue of security, Poland stands with Marcin Kierwiński, just as he stands at his post every day," Tusk told opposition lawmakers.
"Minister Kierwiński serves the country well and will continue his mission," he said.
Tusk also praised Kierwiński for returning from the European Parliament to join his government when, he said, the country needed him.
During the debate, members of the governing coalition argued that the motion was politically motivated and lacked substantive grounds.
Deputy Prime Minister and Defence Minister Władysław Kosiniak-Kamysz credited Kierwiński with strengthening border security, saying authorities had prevented all attempted illegal crossings recorded this year.
'Lies, falsehoods and fabrications'
Kierwiński rejected the opposition's accusations, calling the motion a collection of "lies, falsehoods and fabrications."
He said his government had improved staffing levels in the national police force, increased salaries for officers and introduced housing benefits and civil defence measures.
According to Kierwiński, the number of police officers has risen to about 102,000 from 93,000 when PiS lost power in 2023, while the number of vacancies has been cut roughly in half.
He also said authorities had strengthened the barrier along Poland's border with Belarus and made arrests in connection with a series of hoax alerts that had drawn public attention.
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Source: IAR, PAP