New Zealand and Cook Islands Strengthen Ties with Defense Pact

New Zealand and the Cook Islands have signed a significant defense and security pact, effectively easing over a year of diplomatic tension between the two nations. The agreement reaffirms New Zealand as the Cook Islands’ “partner of choice” in matters of defense and security.

Background to the Agreement

The diplomatic standoff began following a comprehensive strategic partnership between the Cook Islands and China in February 2025. Cook Islands Prime Minister Mark Brown initially declined to disclose the details of the agreement, raising concerns in Wellington about potential security implications. New Zealand, a long-standing ally and benefactor of the Cook Islands, subsequently froze millions of dollars in aid.

Addressing Security Concerns

The new declaration aims to resolve “ambiguity” surrounding the existing relationship between the two countries, according to New Zealand Foreign Minister Winston Peters. The Cook Islands is a self-governing nation in free association with New Zealand, benefiting from New Zealand’s military defense and allowing citizens free movement and work opportunities.

Restoration of Aid and Future Cooperation

With the signing of the new pact on Thursday, aid previously frozen by New Zealand will be reinstated. “This declaration seeks to remove previous ambiguity about the nature of the relationship between New Zealand and the Cook Islands, especially as it pertains to defense and security,” Peters stated during his visit to the Cook Islands.

China’s Response

China responded to the agreement by stating that its relationship with the Cook Islands is not aimed at any third party and respects the autonomy of Pacific Island nations. Foreign Ministry spokesperson Mao Ning emphasized a commitment to deepening practical cooperation with the Cook Islands for mutual benefit.

Strategic Context in the Pacific

The Cook Islands, an archipelago in the South Pacific, is one of many island nations being actively courted by Beijing, which is offering aid and investment to expand its influence in the region. The sparsely populated South Pacific is strategically important, with many countries possessing large exclusive economic zones, including potential for deep sea mineral mining.

Looking Ahead

Peters highlighted the increasingly complex strategic environment, noting that the current situation is more contested than at any point since the free association relationship between New Zealand and the Cook Islands was established in 1965. While the new declaration prioritizes New Zealand as the Cook Islands’ primary defense and security partner, both leaders confirmed it does not affect existing agreements with other countries, including China.

Past Disagreements

Prior to the new agreement, relations were strained, with Prime Minister Brown even considering a separate Cook Islands passport in October 2024, a plan later abandoned following strong objections from New Zealand.