Showcasing Australia and the Indo-Pacific space sectors to the universe
The 76th International Astronautical Congress (IAC) will be held in Sydney from 29 September to 3 October 2025 with thousands of delegates from up to 120 nations expected.
This prestigious event brings together the world's space community to access the latest advancements and trends, academic works, industry connections and partnership opportunities.
IAC 2025 will be hosted by the Space Industry Association of Australia and co-hosted by the Australian Space Agency and the New South Wales Government.
The theme is ‘Sustainable Space: Resilient Earth.' The Congress will also highlight Australia’s commitment to learning from indigenous knowledge and collaborating with First Nations communities on the deployment and use of space technologies.
"IAC 2025 is an opportunity to showcase Australia’s space ecosystem, as well as more deeply connect the global space community with the Indo-Pacific region.
Our region is filled with a dynamic mix of established and emerging space players, with much to offer the world."
~ Enrico Palermo, Head of the Australian Space Agency
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Putting space sustainability front and centre
IAC 2025 will present a generational opportunity to showcase the rapid progress of Australia’s space industry and the importance of space-enabled services to the Australian way of life.
The event's theme ‘Sustainable Space: Resilient Earth’, will explore the essential connection between space innovation and sustainability, focusing on three central areas:
- space-based applications for Earth
- sustainable space activities
- sustaining life beyond Earth
Learn more about the theme on the IAC website.
See you in Sydney
Find out everything you need to know about IAC 2025.
Vast range of opportunities for industry
IAC 2025 will delve into why space is critical for both businesses and our everyday lives.
It is the one place and time of the year where all global space actors come together.
The event will cover all elements of space and highlight the latest developments in academia and industry, as well as networking opportunities and potential partnerships.
IAC 2025 will also unite the sector with the end-users of space across a range of other industries — from agriculture to resources.
"Australia has many industries rich with transferable knowledge and innovative technologies that the space sector can draw from, as well as end users ready to benefit from space systems,"
~ Enrico Palermo, Head of the Australian Space Agency
Grow your network
Grow your network
Australia is fast emerging as a critical hub for space innovation, operations, and research.
Explore business opportunities and partnerships at IAC 2025 across all facets of the space economy, manufacturing, launch, ground segments, services, and communications.
Learn first-hand about Australia's space sector
Learn first-hand about Australia's space sector
Discover why Australia is the place for space – like no other.
Experience exciting new technical visits and associated tourism opportunities across Australia.
Extend your regional connections
Extend your regional connections
Australia provides a pivotal location to showcase the dynamic and growing Indo-Pacific space community.
IAC 2025 aims to advance space in the Indo-Pacific by showcasing the entire region and its wide variety of space-based opportunities.
Program, sponsorship and exhibition prospectus
Learn more about the numerous opportunities to showcase your organisation to thousands of delegates and key decision makers spanning up to 120 countries.
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