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Country Members

All fully subscribed country members with their own constituted PWS Association pay an annual subscription fee based on the number of families in their membership. The subscription year runs from 1 January to 31 December.

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Member countries are subscribed members with voting rights. They are indicated on the map in pink. Use the dropdown to see each member country by continent and use the links to visit the local member website or social pages. Each country’s registered PWS Association appoints Parent and Professional Delegates to be their representatives. When applicable, a Caregiver Delegate is also appointed.
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North America

Associate Member Countries

Albania, Algeria, Argentina, Armenia, Bahrain, Bangladesh, Belarus, Bolivia, Botswana, Bosnia and Herzegovina, Bulgaria, China, Costa Rica, Croatia,  Cuba, Cypress, Ecuador, Egypt, El Salvador, Georgia, Guatemala, Honduras, Hong Kong, Iceland, Indonesia, Iran, Jamaica, Jordan, Kazakhistan, Kenya, Kosovo, Kuwait, Latvia, Lebanon, Libya, Macedonia, Malta, Moldavia, Morocco, Nepal, Nicaragua, Nigeria, Oman, Palestinian Territories, Pakistan, Panama, Paraguay, Peru, Philippines, Puerto Rico, Qatar, Rwanda, Saudi Arabia, Singapore, Slovenia, South Korea, Taiwan, Tunisia, Turkey, Uganda, Ukraine, Uruguay, Uzbekistan, Venezuela, Vietnam, Yemen

No member in your country?

Do you live in a country that is not listed here? Are you struggling to connect with other families in your country? Get in touch and we can offer advice and guidance

Your Membership stories

Find out more about the stories, challenges and plans of PWS associations around the world all working for the same cause to bring support, services, help and awareness of PWS in their country.

PWS Malaysia

PWS Thailand

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International Community

IPWSO was established so that PWS associations, families, clinicians and caregivers around the world could exchange information and support and have a united global voice under one umbrella.

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Information for

Find useful guides, research and information to help families manage PWS.

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Information for Medical Professionals

The latest medical and scientific research and information, plus guides into common medical issues affecting people with PWS.

Information for
Professional Caregivers

Sharing international knowledge among professional service providers throughout the world.

What is PWS?

Translated Guides

Find support in my country