Michael McCormack has been re-elected unopposed as the leader of The Nationals by his party room.
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His deputy, Bridget McKenzie, has also been returned unopposed.
Mr McCormack, the Member for Riverina, told The Daily Advertiser he was "incredibly humbled" by the vote's result.
"I look forward to implementing the plan we set out in the campaign for the future growth of regional Australia. We are back to work now for the 46th Parliament," he said.
After a short party room meeting for the election, Mr McCormack spoke to his colleagues.
"I know that Bridget and I certainly will not let you down. I know that we have not let Australia down. In fact, quite the opposite. We have been a formidable force this election," he said.
"The Australian public have returned all of our members, all of our seats. How good is it?
"How good is it to again be sitting on the government benches because when you're on the government benches you can get things done and we have achieved so much in the last five or six years and we've done it together. We've do it in a strong coalition.
"We are different parties, but we are indeed a formidable force for rural and regional, remote, country and coastal Australians."
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Mr McCormack said the Coalition's election win had been "a team effort".
"It shows that hard work, that decency and delivery pays off," he said.
"The National party has been fantastic in this election. We have helped the Liberals to again form government. They couldn't do it without us."
Mr McCormack paid tribute to the "mighty job" done by Prime Minister Scott Morrison.
"When all the polls, all the pundits, when so many in the media and all the trolls and all the lefties, all those on Twitter said we would never do it, well we proved them wrong and we proved them wrong through hard work, through decency, through teamwork and through delivery."
The news of Mr McCormack's re-election comes as no surprise to University of Sydney politics lecturer Stewart Jackson.
Dr Jackson said the Coalition's victory would have made The Nationals' members more confident in their leader, particularly as the party retained all its seats.