"But I'd like to see the day when it is just the norm for Maori to be in this position or any other role."
Davis is Minister for Crown/Maori Relations, Corrections and Tourism, and Associate Minister of Education, responsible for Maori education.
He said he had a briefing by Parliamentary Services about the rules and requirements of the caretaker Prime Minister job and knew he could rely on support from his colleagues.
"I'll be glad when Jacinda gets back but, no, I'm not really nervous."
Davis is acting PM because PM Jacinda Ardern and deputy Peters are both attending the Apec (Asia Pacific Economic Cooperation) Leaders Meeting in Vietnam.