"I believe when you speak and people know you're a decent person and know you're a genuine person, I believe they'll like you and probably vote for you."
His publicist Greg McCalman said Tua was focused on his upcoming fight.
He told APNZ he was not aware of Tua's political ambitions. but added: "It's probably not beyond the bounds of possibility because David is very proud of his Samoan heritage, he's very into his Samoan heritage, and if he's got an eye on politics within that heritage, that's probably a real definite possibility."
Tua was not immediately available for further comment today.
Other sportspeople have made the move to the political arena in New Zealand as well.
Labour MP Louisa Wall was a former Black Fern and Silver Fern before entering Parliament, while Government-appointed Race Relations Commissioner Dame Susan Devoy is a former champion squash player.
Tua, who has two sons with his separated wife Robina Siteine-Tua, would not be the first boxer to make the move into politics.
Ukrainian Vitali Klitschko, the reigning WBC heavyweight boxing champion, has been a member of the Ukrainian parliament since December last year.
He is the leader of the Ukrainian Democratic Alliance for Reform political party, which has 40 members in Ukraine's parliament, and is campaigning to become Ukraine's president in the 2015 elections.
Charismatic Filipino boxer Manny Pacquiao, who has won several world titles, has been a congressman in the Philippines since 2010 and is running for a second term in congress this year.
