Its vice president for East Asia and the Pacific, Victoria Kwakwa, was in Tonga last week for talks.
Ms Kwakwa said the World Bank was working closely within Australia's Step Up and New Zealand's Pacific Reset programmes.
"We've been working on several things including supporting countries to strengthen their climate change resilience, working to support policy reforms to build their economic resilience and we're also working together on the connectivity agenda," Ms Kwakwa said.
"As you know, this region is very remote, even compared to other small island states."