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Anyone who is interested in the philosophy of information is welcome as a member of SPI. You can join our mailing list right away by clicking on It costs you only an introduction e-mail to the list.

There are four kinds of membership: ordinary, support, life membership and student.

Ordinary, supporting and life members have voting rights and can nominate and be nominated as members of the management board and activity leaders. Supporting and life members will be listed on the website.

  • Ordinary membership costs $10 per year.
  • Supporting membership costs $50 per year.
  • Life membership costs $250.
  • Student membership is free.
  • Donations are very welcome.

Students should use their institutional e-mail address to send a membership request to Student requests sent from private e-mail addresses will not be valid.

When you pay your subscription you are granted membership for the current year, unless you subscribe after 31st June of that year in which case you are granted membership for the following year and for the remainder of the current year.

Joining dateMembership expiration date
1 Jul 2012 - 31 December 201231 December 2013
1 Jan 2013 - 30 Jun 201331 December 2013