IAC 2027 Poznań: International Astronautical Congress Guide
By Ilyas Kerbal,
The International Astronautical Congress (IAC) is the world’s premier space congress. It rotates worldwide each year: Antalya, Türkiye hosted in 2026, and the 78th IAC comes to the Poznań International Fair (MTP), Poland, from 27 September to 1 October 2027. Around 8,000–10,000 participants attend (estimate).
Space agencies (NASA, ESA, JAXA, CNSA and others), space companies, academia and students meet. Heads of agencies hold a plenary, and the exhibition hosts national pavilions and industry stands.
IAC 2027 at a glance
| Detail | Information |
|---|---|
| Industry | Space |
| Venue | Poznań International Fair (MTP) |
| City and country | Poznań (2027), Poland |
| Next edition | 27 September–1 October 2027, Poznań (78th IAC); 2026 edition in Antalya, Türkiye |
| Frequency | Annual, rotates worldwide |
| Does it move? | Yes. Rotates worldwide each year; Europe hosts in 2027. |
| Scale | ~8,000–10,000 participants (estimate) |
| Organiser | International Astronautical Federation (IAF) with local host organisations |
| Typical ticket price | ~€900–1,200 full delegate (estimate); student and day rates |
| Event app / platform | IAC app |
| Website | iafastro.org |
What IAC covers
- Launch and satellites
- Earth observation and satcom
- Human spaceflight and exploration
- Space science and research
- Space policy, law and commercial space
A rotating congress
IAC moves around the world each year, so a European edition is a big opportunity for European space companies and their suppliers.
Who attends IAC
| Audience | Interest | Relevance |
|---|---|---|
| Space-agency leaders and staff | Programmes and partners | Public buyers |
| Aerospace companies and startups | Customers and partners | Industry |
| Researchers and universities | Science | Partners |
| Students and young professionals | Careers | Low B2B value |
| Government and policymakers | Policy | Influence |
Poznań International Fair, host of IAC 2027. Photo: Przemyslaw Parzysz, CC BY-SA 3.0, via Wikimedia Commons.
Selling into the space sector? I build enriched IAC 2027 lists covering exhibitors, national pavilions, speakers and agencies, with role and LinkedIn data. Request your IAC list.
Registration
2027 fees have not been announced. Past full-delegate registration was around €900–1,200, with student and day rates (estimate).
The IAC app
An official IAC app typically provides the programme and networking. The programme is academic-heavy, so commercial contacts need to be researched.
How to prospect IAC 2027
- List exhibitors and national pavilions.
- Map European space companies and primes.
- Identify procurement and partnership leads at agencies and companies.
- Use the plenary and speaker list to find leaders.
- Make the most of the European edition.
Pros and cons
| Pros | Cons |
|---|---|
| All major space agencies in one place | Rotates globally, Europe only occasionally |
| Growing commercial space presence | Academic-heavy programme |
| Strong European turnout in 2027 | Niche |
Frequently asked questions
When is IAC 2027?
From 27 September to 1 October 2027 at the Poznań International Fair, Poland.
Where was IAC 2026?
In Antalya, Türkiye.
Who organises IAC?
The International Astronautical Federation (IAF) with local hosts.
Can I get an IAC attendee list?
Attendee data is not published. An enriched list covers exhibitors, pavilions, speakers and agencies.
Plan for Poznań
For an enriched IAC list, ask for a quote on the Prospector home page.
Related event guides
- Paris Air Show 2027: Le Bourget Guide & Attendee List
- Farnborough Airshow 2028: Aerospace Guide & Attendee List
- INTERGEO 2027 Frankfurt: Geospatial Expo Guide & Attendee List
Sources
Image credits
- Cover image: Photo: BugWarp, CC BY-SA 4.0, via Wikimedia Commons. Space station model exhibited at the International Astronautical Congress 2024.
- In-article image: Photo: Przemyslaw Parzysz, CC BY-SA 3.0, via Wikimedia Commons. Poznań International Fair, host of IAC 2027.
