IAC 2026: Call for Hosting


Each year the International Astronautical Federation (IAF) – with the support of its partners the International Academy of Astronautics (IAA), the International Institute of Space Law (IISL) and the Space Generation Advisory Council (SGAC) – organizes the International Astronautical Congress (IAC). 

The IAC is held in different countries of the world with an IAF member organization serving as its Host. In recent years, the event attracted between 4,500 and 9,500 participants including more than 40% of students and young professionals. The IAF is seeking proposals from IAF member organizations interested in serving as the host of the 77th IAC which will be held in 2026.

The schedule for selecting the site of the 77th IAC is as follows:
  • Deadline for notices of intent to submit proposals – 17 February 2023
  • Deadline for submission of proposals – 28 April 2023
  • Selection of finalist candidates (if applicable) – June 2023
  • Site Inspections – July – August 2023
  • Deadline for submission of updated proposals from the candidates – 8 September 2023
  • Finalist presentations: during the 74th IAC in Baku, Azerbaijan – 2 – 6 October 2023
  • Selection of the Host by the IAF General Assembly – 6 October 2023
Important information
  • Please note that the submission of a notice of intent to bid by 17 February 2023 is a mandatory requirement to submit a proposal and the final date for submission of proposals is 28 April 2023.
  • The IAF may – at its discretion – modify the above schedule and notify the concerned organizations of the schedule changes
  • Check here to check how to submit a proposal for the 77th IAC.
  • Before applying please consult the Call for Hosting the IAC 2026 and Room Planner IAC 2026 Rooms Table.


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