Important Notice

Registrations completed before 1 April 2020 ( date of postponement announcement) are carried forward to 2021 along with any role(s) the participant may have in the program unless they cancel their participation.

Registration Key Dates

20 MAY 2020 Registration for the Congress Reopens
15 OCT 2020 Deadline to register and receive a bonus 1-year IPSA membership
Deadline to request a refund for participants who registered before 1 April 2020
18 MAR 2021 Early-bird Registration Deadline
01 APR 2021 Registration Deadline to Appear in the Printed Program
27 APR 2021 Final Registration Deadline for all Panelists
Participants not registered are withdrawn from the Congress Program

Register Now

Registration Fees (US$)

All participants at the World Congress of Political Science must register online. This includes all participants with a role in the World Congress (paper presenters, convenors, chairs, discussants). Congress Participants must be 2021 individual members of IPSA to register for the World Congress.

All IPSA members who complete their registration for the 2021 World Congress in Lisbon by 15 October 2020 will be granted a complimentary extra one-year IPSA membership. If you are already registered for the 26th World Congress of Political Science and do not cancel your participation, you will automatically benefit from this offer. Your bonus year will be added to your current IPSA membership after 15 October 2020.

IPSA Members

ALL Congress Participants must be 2021 individual members of IPSA to register for the World Congress. You may become a member during the online registration process using your IPSA account. IPSA membership is not necessary to submit a panel or paper proposal; only for participation and attendance at the World Congress.

IPSA Member Registration Category Early Bird Registration
10 OCT 2019 - 18 MAR 2021
Regular Registration
19 MAR - 14 JUL 2021
 Regular $350 $400
 Senior  (65 years and over) $275 $300
*Student $125 $150

APCP Members

Members in good standing of the Portuguese Political Science Association - Associação Portuguesa de Ciência Política (APCP)  who are also IPSA members in 2021 are eligible for a reduced registration fee as shown below. For information about APCP membership please visit 

APCP & IPSA Member Registration Category Early Bird Registration
10 OCT 2019 - 18 MAR 2021
Regular Registration
19 MAR - 14 JUL 2021
 Regular $175 $200
 Senior  (65 years and over) $140 $150
*Student $65 $75

Note: In order to obtain the reduced APCP member registration fee, the e-mail in your online IPSA account must be identical to the e-mail listed in your APCP membership.

* Registration category for students requiring proof of student status at the time of registration (a proof of student status in PDF format will have to be uploaded in order to complete a student registration).

Registration fees must be paid for online by midnight, EST, 18 March 2021 to be eligible for the Early Bird Fee or postmarked by 10 March 2021, if paying by check/money order.

Accompanying person

Paid participants may purchase an accompanying person badge for immediate family members onsite at the Congress. The registration fee per accompanying person is $80 USD, payable by credit card (Mastercard or Visa) or cash on site (not online or in advance). No invitation letters or certificates of participation will be issued for accompanying persons.

This registration cannot be purchased for participants who are part of the Congress program (authors, co-authors, chairs or discussants).

Not yet an IPSA member?

IPSA does not offer non-member registration fees. If you are not an individual member of IPSA, you may become a member during the online registration process or via the IPSA website using your IPSA account. For more information on the individual membership and its numerous benefits please visit

Individual 2020 IPSA membership fees are listed below.

IPSA Membership Category

Regular Membership

Global South Membership*

 Regular Member - 2 years $190 $90
 Senior Member - 2 years (over 65) $130 $40
*Student Member - 2 years (under 35) $90 $12
*Student Member  - 1 year (under 35) $55 $7
Lifetime Member $1,500 $1,500

* Global South Membership is available to residents of select countries 


Registration fees may be paid for by credit card (preferred), cheque or money order (in US$ and made out to the “International Political Science Association”). We only accept Visa and Mastercard at this time. Please DO NOT SEND CASH to the Secretariat.

Registrants unable to pay online may send a cheque in US dollars to:

World Congress 2020 Registration
1590 Docteur-Penfield Avenue, Bureau 331
Montréal, QC H3G 1C5, Canada

We recommend you use registered or certified mail in this case. IPSA is not responsible for payment lost or delayed in the mail.

Refund Policy

All cancellations must be sent in writing to the IPSA Secretariat at Registrations cancelled before 18 March 2021 will be refunded 50% of the registration fee paid; cancellations received as of 19 March 2021 and no-shows will not be refunded. If mailed, the 50% refund will apply to notifications post-marked by 10 March 2021.

Please note: Membership fees are non-refundable. New and renewed membership will remain valid even if registration to the World Congress is cancelled. If you cannot attend the World Congress, please send your cancellation notice as soon as possible, to allow your panel to find a replacement in time.

Postponement Refund Policy

Registrations completed before 1 April 2020 (date of postponement announcement) ) and cancelled before 15 October 2020 were eligible for a 100% refund of the registration fee upon request (membership fees are non-refundable). The regular Refund Policy applies to registrations completed after 1 April 2020 (date of postponement announcement).

Substitution Policy

Those people registered and later unable to attend the World Congress may use the fees already paid to send someone in their place. Written notification must be sent to the IPSA Secretariat at by 01 April 2021. Substitutes must be in the same registration category and be IPSA members in 2021.