Australia signs first Fiji defense treaty amid Pacific power contest

Australia gave Fiji its first mutual defense treaty in Suva on Monday, pairing a security pact with more than A$1 billion in investment over 10 years as Anthony Albanese and Sitiveni Rabuka moved to anchor Fiji more tightly to Canberra. The deal gives Fiji a formal commitment of support in a crisis, while the economic package is meant to make the relationship harder to unwind.

The Ocean of Peace Alliance, signed alongside the Vuvale Union, is Fiji’s first mutual defense treaty and Australia’s fourth formal alliance, after earlier pacts with the United States and New Zealand in 1951 and Papua New Guinea in 2024. Australian government material says the treaty commits the two countries to come to each other’s aid at times of greatest need, while the broader Vuvale framework is designed to deepen ties across security, economies and people.

Albanese cast the agreement in blunt alliance terms, saying there is “no higher obligation than to come to each other’s aid at a time of need.” Rabuka sought to lower the temperature around China, saying he did not expect severe pushback from Beijing and that the new arrangements would not threaten Fiji’s relationship with China or Australia’s relationship with China. He described the package as part of a “new era of strategic partnership.”

The timing lands in the middle of a sharper Pacific contest. Australia has spent years trying to hold its place as the region’s preferred security partner after China signed a security deal with the Solomon Islands in 2022, a move that alarmed Canberra over the prospect of a Chinese military presence in the South Pacific. In the past week, Australia also signed a security and economic agreement with Vanuatu that bars foreign military bases, and it has just concluded a mutual defense treaty with Papua New Guinea, known as the Pukpuk Treaty.

The Fiji agreement also builds on a longer regional project. Rabuka first proposed the Ocean of Peace idea in 2023, and Pacific Islands Forum leaders endorsed the Blue Pacific Ocean of Peace Declaration in Honiara on September 10, 2025. Fiji had already secured more than A$280 million in new Australian investment since the renewal of the Vuvale Partnership in October 2023, suggesting the new treaty rests on an existing thaw rather than a sudden reset.

Australian officials say the treaties are the first to give practical effect to the Blue Pacific Ocean of Peace Declaration, and they tie security to climate, economic resilience and regional identity. That makes the Fiji pact more than a bilateral ceremony: it is a signal that Pacific island governments remain central terrain in the competition between Australia and China, and that Canberra is trying to lock in its influence before Beijing can go further.