Indo-Pacific Strategy (Australia)

Australia was one of the earliest middle powers to formally adopt an "Indo-Pacific" geographic framing, displacing the older "Asia-Pacific" terminology in official documents. The 2013 Defence White Paper was the first Australian government document to systematically use the term "Indo-Pacific," and the framing was elaborated further in the 2016 Defence White Paper, the 2017 Foreign Policy White Paper, and the 2020 Defence Strategic Update.

The strategy rests on several interconnected commitments:

• Alliance with the United States, formalised through the ANZUS Treaty (1951) and deepened by force posture initiatives such as the rotational deployment of US Marines in Darwin announced in 2011.
• Minilateral groupings, particularly the Quadrilateral Security Dialogue (Quad) with the US, Japan, and India, revived in 2017 and elevated to leaders' level in 2021.
• AUKUS, the trilateral security partnership with the US and UK announced in September 2021, under which Australia is to acquire nuclear-powered conventionally-armed submarines.
• Pacific engagement, including the "Pacific Step-up" launched in 2018 and increased development assistance to Pacific Island Forum members.
• Economic diversification away from over-reliance on China, accelerated after Beijing imposed trade measures on Australian barley, wine, coal, and other goods from 2020.

The 2023 Defence Strategic Review, commissioned by the Albanese Labor government, reframed Australian posture toward "impactful projection" and long-range strike, citing the deteriorating regional strategic environment. The Review explicitly identified the lack of strategic warning time as a defining feature of Australia's contemporary security outlook.

Australian Indo-Pacific strategy is often described as balancing deterrence of coercion with continued economic engagement, including the stabilisation of relations with China pursued from 2022 onward. Critics argue the framework risks entrapment in US-China rivalry; supporters contend it is the only viable response for a trade-dependent middle power facing major-power competition in its near region.