Can Japan become the Indo-Pacific's indispensable strategic power?

For decades, Japan has been viewed as an economic powerhouse constrained by its post-war constitution and reliance on the United States for its security. Today, that assumption is being tested.

As strategic competition intensifies across the Indo-Pacific, Japan finds itself confronting an increasingly assertive China, a nuclear-armed North Korea, a more closely aligned Russia-China partnership, renewed uncertainty under Donald Trump's second presidency, and growing instability in the Middle East that threatens the energy lifelines upon which the Japanese economy depends.
Joining Dr John Bruni on The Focus is one of Australia's foremost experts on Japan and the Indo-Pacific, Emeritus Professor Purnendra C. Jain.

Together, they examine how Japan is adapting to one of the most dangerous strategic environments since the Second World War.

Topics discussed include:

• Is Prime Minister Sanae Takaichi transforming Japan into a more assertive strategic power? 

• Can the US-Japan alliance remain the cornerstone of Indo-Pacific security under Donald Trump? 

• How does Tokyo view China's growing military power and the possibility of conflict over Taiwan?

 • What do North Korea and the emerging Russia-China-DPRK alignment mean for Japanese security? 

• Why does India remain central to Japan's Indo-Pacific strategy?

 • Is the Quad becoming a meaningful strategic partnership—or merely diplomatic theatre?

 • How have the Israel-Iran conflict and the Strait of Hormuz reshaped Japan's thinking about energy security?

 • What does all this mean for Australia and the future balance of power in Asia?

As the Indo-Pacific enters a period of profound strategic uncertainty, Japan's decisions may prove decisive—not only for its own future, but for regional stability as a whole.

Show Notes

About our guest

Emeritus Professor Purnendra C. Jain is one of Australia's foremost scholars of Japanese politics, foreign policy and Indo-Pacific strategic affairs.

Formerly Professor of Asian Studies at the University of Adelaide, Professor Jain has spent more than three decades researching Japanese politics, India-Japan relations, Australian foreign policy and the evolving strategic architecture of the Indo-Pacific.

In 2020 he was awarded the Order of the Rising Sun, Gold Rays with Neck Ribbon by the Government of Japan in recognition of his outstanding contribution to promoting understanding between Japan and Australia. 

Selected Recent Publications

2025 — Japan's Foreign and Security Policy Pivots to Pragmatism Replacing Idealism Published in the Journal of Asian Security and International Affairs. The article examines how Japanese foreign and security policy has shifted from the idealism of "proactive pacifism" toward a more pragmatic approach shaped by regional strategic realities. 

2025 — The Global South and India: Opportunities and Challenges Published by IDE-JETRO. Professor Jain explores India's growing influence across the Global South and the strategic opportunities and constraints this presents for regional and global politics. 

2025 — The Japan-India-Bangladesh Strategic Triangle Unfastened Published by IDE-JETRO. This study analyses the evolving strategic relationships between Japan, India and Bangladesh within the broader Indo-Pacific geopolitical landscape. 

Glossary

Quad (Quadrilateral Security Dialogue)

An informal strategic partnership comprising Australia, India, Japan and the United States. Originally established in 2007 and revitalised in 2017, the Quad promotes a free, open and stable Indo-Pacific through cooperation on maritime security, critical technologies, infrastructure, disaster relief, supply chains and regional resilience.

ODA (Official Development Assistance)

Government-funded foreign aid provided to support the economic development and welfare of developing countries. Japan has long used ODA as a key instrument of its foreign policy, strengthening diplomatic relationships through infrastructure investment, technical assistance and capacity building across Asia and beyond.

LDP (Liberal Democratic Party)

Japan's dominant conservative political party. Since its formation in 1955, the LDP has governed Japan for the vast majority of the post-war period and has shaped much of the country's economic, foreign and security policy, including the administrations of Shinzo Abe, Fumio Kishida and Sanae Takaichi.

Indo-Pacific

A strategic concept describing the interconnected maritime region stretching from the Indian Ocean to the Pacific Ocean. It recognises the increasing geopolitical, economic and security links between East Asia, South Asia and Oceania.

Strait of Hormuz

One of the world's most strategically important maritime chokepoints. Roughly one-fifth of globally traded oil passes through the Strait, making it critically important to energy-importing countries such as Japan.

Economic Security

Policies designed to protect critical industries, supply chains, technology, energy supplies and national resilience from geopolitical coercion or strategic disruption.

Collective Self-Defence

Japan's reinterpretation of its post-war constitution allows the Japan Self-Defense Forces to assist allies under certain circumstances, even if Japan itself is not directly attacked.

Taiwan Contingency

A term describing the possibility of military conflict involving Taiwan. Japanese planners increasingly view stability across the Taiwan Strait as directly linked to Japan's own national security.

Thank you for listening to The Focus.

If you enjoyed this episode, please subscribe, leave a review, and share it with colleagues and friends interested in geopolitics, defence, national security and the evolving strategic landscape of the Indo-Pacific.

Host: Dr John Bruni Founder & CEO, SAGE International Explaining the forces shaping the world beyond the headlines.

Can Japan become the Indo-Pacific's indispensable strategic power?
For decades, Japan has been viewed as an economic powerhouse constrained by its post-war constitution and reliance on the United States for its security. Today, that assumption is being tested.
As strategic competition intensifies across the Indo-Pacific, Japan finds itself confronting an increasingly assertive China, a nuclear-armed North Korea, a more closely aligned Russia-China partnership, renewed uncertainty under Donald Trump's second presidency, and growing instability in the Middle East that threatens the energy lifelines upon which the Japanese economy depends. Joining Dr John Bruni on The Focus is one of Australia's foremost experts on Japan and the Indo-Pacific, Emeritus Professor Purnendra C. Jain.
Together, they examine how Japan is adapting to one of the most dangerous strategic environments since the Second World War.
Topics discussed include:
&bull; Is Prime Minister Sanae Takaichi transforming Japan into a more assertive strategic power? 
&bull; Can the US-Japan alliance remain the cornerstone of Indo-Pacific security under Donald Trump? 
&bull; How does Tokyo view China's growing military power and the possibility of conflict over Taiwan?
 &bull; What do North Korea and the emerging Russia-China-DPRK alignment mean for Japanese security? 
&bull; Why does India remain central to Japan's Indo-Pacific strategy?
 &bull; Is the Quad becoming a meaningful strategic partnership&mdash;or merely diplomatic theatre?
 &bull; How have the Israel-Iran conflict and the Strait of Hormuz reshaped Japan's thinking about energy security?
 &bull; What does all this mean for Australia and the future balance of power in Asia?
As the Indo-Pacific enters a period of profound strategic uncertainty, Japan's decisions may prove decisive&mdash;not only for its own future, but for regional stability as a whole.
Show Notes
About our guest
Emeritus Professor Purnendra C. Jain is one of Australia's foremost scholars of Japanese politics, foreign policy and Indo-Pacific strategic affairs.
Formerly Professor of Asian Studies at the University of Adelaide, Professor Jain has spent more than three decades researching Japanese politics, India-Japan relations, Australian foreign policy and the evolving strategic architecture of the Indo-Pacific.
In 2020 he was awarded the Order of the Rising Sun, Gold Rays with Neck Ribbon by the Government of Japan in recognition of his outstanding contribution to promoting understanding between Japan and Australia.&nbsp;
Selected Recent Publications
2025 &mdash; Japan's Foreign and Security Policy Pivots to Pragmatism Replacing Idealism Published in the Journal of Asian Security and International Affairs. The article examines how Japanese foreign and security policy has shifted from the idealism of "proactive pacifism" toward a more pragmatic approach shaped by regional strategic realities.&nbsp;
2025 &mdash; The Global South and India: Opportunities and Challenges Published by IDE-JETRO. Professor Jain explores India's growing influence across the Global South and the strategic opportunities and constraints this presents for regional and global politics.&nbsp;
2025 &mdash; The Japan-India-Bangladesh Strategic Triangle Unfastened Published by IDE-JETRO. This study analyses the evolving strategic relationships between Japan, India and Bangladesh within the broader Indo-Pacific geopolitical landscape.&nbsp;
Glossary
Quad (Quadrilateral Security Dialogue)
An informal strategic partnership comprising Australia, India, Japan and the United States. Originally established in 2007 and revitalised in 2017, the Quad promotes a free, open and stable Indo-Pacific through cooperation on maritime security, critical technologies, infrastructure, disaster relief, supply chains and regional resilience.
ODA (Official Development Assistance)
Government-funded foreign aid provided to support the economic development and welfare of developing countries. Japan has long used ODA as a key instrument of its foreign policy, strengthening diplomatic relationships through infrastructure investment, technical assistance and capacity building across Asia and beyond.
LDP (Liberal Democratic Party)
Japan's dominant conservative political party. Since its formation in 1955, the LDP has governed Japan for the vast majority of the post-war period and has shaped much of the country's economic, foreign and security policy, including the administrations of Shinzo Abe, Fumio Kishida and Sanae Takaichi.
Indo-Pacific
A strategic concept describing the interconnected maritime region stretching from the Indian Ocean to the Pacific Ocean. It recognises the increasing geopolitical, economic and security links between East Asia, South Asia and Oceania.
Strait of Hormuz
One of the world's most strategically important maritime chokepoints. Roughly one-fifth of globally traded oil passes through the Strait, making it critically important to energy-importing countries such as Japan.
Economic Security
Policies designed to protect critical industries, supply chains, technology, energy supplies and national resilience from geopolitical coercion or strategic disruption.
Collective Self-Defence
Japan's reinterpretation of its post-war constitution allows the Japan Self-Defense Forces to assist allies under certain circumstances, even if Japan itself is not directly attacked.
Taiwan Contingency
A term describing the possibility of military conflict involving Taiwan. Japanese planners increasingly view stability across the Taiwan Strait as directly linked to Japan's own national security.
Thank you for listening to The Focus.
If you enjoyed this episode, please subscribe, leave a review, and share it with colleagues and friends interested in geopolitics, defence, national security and the evolving strategic landscape of the Indo-Pacific.
Host: Dr John Bruni Founder &amp; CEO, SAGE International Explaining the forces shaping the world beyond the headlines.

The Focus is the flagship current affairs podcast of SAGE International, an independent, Adelaide-based geopolitical  think tank.

Hosted by Dr. John Bruni—a veteran geopolitical commentator with over 24 years in the Australian media—The Focus brings a critical edge to global affairs. John's expertise is built on decades of experience, including time with the Royal United Services Institute of Australia, work as a university lecturer, senatorial foreign affairs adviser, analyst for Jane’s Intelligence Review, and Gulf-based military analyst.

Produced by Neil Smart, The Focus cuts through the noise of biased media to deliver sharp, informed insights into the major issues shaping Australia and the world. In an age of global disruption and complexity, knowing which questions to ask is more vital than ever.

The Focus&nbsp;is the flagship current affairs podcast of&nbsp;SAGE International, an independent, Adelaide-based geopolitical &nbsp;think tank.
Hosted by&nbsp;Dr. John Bruni&mdash;a veteran geopolitical commentator with over 24 years in the Australian media&mdash;The Focus&nbsp;brings a critical edge to global affairs. John's expertise is built on decades of experience, including time with the&nbsp;Royal United Services Institute of Australia, work as a university lecturer, senatorial foreign affairs adviser, analyst for&nbsp;Jane&rsquo;s Intelligence Review, and Gulf-based military analyst.
Produced by&nbsp;Neil Smart,&nbsp;The Focus&nbsp;cuts through the noise of biased media to deliver sharp, informed insights into the major issues shaping Australia and the world. In an age of global disruption and complexity, knowing which questions to ask is more vital than ever.