IAC 2027: Call for Hosting the 78th International Astronautical Congress 


Each year, the International Astronautical Federation (IAF), in collaboration with the International Academy of Astronautics (IAA), the International Institute of Space Law (IISL) and the Space Generation Advisory Council (SGAC) organises the International Astronautical Congress (IAC). 

The IAC is held in different countries, with an IAF member organisation 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 organisations interested in serving as the host of the 78th IAC held in 2027.

The Schedule for Selecting the Site of the 78th IAC is as follows:
  • Deadline for notices of intent to submit proposals: 16 February 2024;
  • Deadline for submission of proposals: 26 April 2024;
  • Selection of finalist candidates: June 2024;
  • Site Inspections: July – August 2024;
  • Deadline for submission of updated proposals from the candidates: 13 September 2024;
  • Finalist presentations: during the 74th IAC in Baku, Azerbaijan: 14 – 18 October 2024;
  • Selection of the Host by the IAF General Assembly: 18 October 2024; and
  • Signature of the preliminary contract with the successful Bidder: 18 October – 31 December 2024.
Additional Information
  • The IAF may, at its discretion, modify the above schedule and notify the concerned organisations of the schedule changes;
  • It is expected that after the official endorsement of the hosting proposal by the IAF General Assembly, a contract will be signed between the IAF and the Host Organisation which clearly outlines the roles and responsibilities of each party;
  • The successful bidder must sign the Preliminary Contract for the IAC within the above-mentioned deadline. If the successful bidder fails or refuses to sign the contract within the stipulated deadline, it will lose its rights to host the IAC 2027. The IAF shall then exercise its prerogative as the IAC Organizer to seek an alternative host; 
  • Click here to check how to submit a proposal for the 78th IAC, and
  • Before applying, please consult the Call for Hosting the IAC 2027 and IAC 2027 Rooms Table.

For more information, click here.

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