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Register for Joint World Congress

Click on the button below to create an account on this website and register for the 2018 World Congress.  

Present or past IFA members please log onto your account and use the Your Account menu item to register for the World Congress.

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Survey to determine future areas of research focus for Stuttering and Cluttering

In the context of the Joint World Congress, a survey has been created with the purpose of determining areas of research that are of importance to the community of people affected by stuttering and cluttering. This community includes people who stutter or clutter, their families, researchers, and clinicians. The results of this survey will be presented at the Joint World Congress in Hiroshima, on July 14th.

JWC Delegates and IFA Members can complete the survey by logging onto their accounts and reading the rest of this article.

Read more: Survey to determine future areas of research focus for Stuttering and Cluttering

Welcome to the 2018 Joint World Congress

One World, Many Voices: Science and Community is the Inaugural Joint World Congress of the International Cluttering Association (ICA), International Fluency Association (IFA) and International Stuttering Association (ISA), with local host organizations the Japan Society of Stuttering and Other Fluency Disorders and the Japanese Stuttering Genyukai Organization. This event will be held in Hiroshima, Japan, from the 13th to the 16th of July, 2018.

Read more: Welcome to the 2018 Joint World Congress

Registration Guidelines

The Registration system offers you the opportunity to register for the congress, and purchase tickets for social events and post-congress workshops if you wish to do so.

To register for the congress, you are required to create an account on the website, so that we can keep track of all your purchases and send you your tickets. If you are an IFA member you already have an account on the website. If you are not an IFA member, the registration process will guide you to create a website account but you are not required to join the IFA (unless you wish to do so).

Delegate fees are displayed in Japanese yen with the approximate equivalent value in US dollars also visible. At the point of checkout the system will convert the yen value to dollars (using daily exchange rates from the European Central Bank). Payments can then be made in US dollars via Paypal and the system will guide you through the process. Please note that you do not need a Paypal account to pay via Paypal, just a debit or credit card.

You will receive an email confirmation for each registration or event that you book, and the email acts as your ticket. It can take several hours for all of the confirmations to process, but please check your confirmation emails and contact us at This email address is being protected from spambots. You need JavaScript enabled to view it. if anything is outstanding a few hours after you have completed your registration. If you do not receive a confirmation email, your registration may not have been completed, even if you have a paypal receipt. Please contact us so that we can check that everything is in order on your behalf.

Read more: Registration Guidelines


In preparation for the 2018 World Congress the IFA is implementing Japanese translations of some pages on the site. Choosing Japanese below to see these translations.

Not all pages are translated, but you can use Google translate to see a machine translation using the switch below

Google Translate

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