Pohiva Tu'i'onetoa was elected by Parliament last month following the death of 'Akilisi Pohiva.
He inherited an economy that some called moribund and Mr Tu'i'onetoa said it was difficult to make changes in a small economy with a narrow resource base.
The vast majority of Tongans do not have regular income and rely on their gardens, fishing, or remittances to get by, he said.
In some districts, 95 percent of people were involved in the informal sector, which is why the government has started programmes to assist.
"To try to educate them you have to develop business minded people because sometimes you find a niche, a market they can operate, like the selling of squash," he said.
"We have concentrated on the women's group, the mothers of the family because we thought that's the core of the family."
The Government will be offering small loans to foster informal businesses, Pohiva Tu'i'onetoa said.
Nauru Rugby has engaged young kids from as young as six years old in their development programme.
With their main goal to do better at the Oceania 7s, they have also