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IDEA Database

IDEA is one of the few population-based resources in the world dedicated to intellectual disability. The IDEA database contains information on all children born in Western Australia since 1983 who have been identified with having an intellectual disability. Individuals with autism spectrum disorder, both with and

Teen Talk Study

In 2024–2025, we listened to 40 siblings from across Australia share their experiences of family life and social connection. Most had a brother or sister with developmental disability, and others did not. Together, they offered open and thoughtful reflections on roles and responsibilities at home, friendships, fam

Infographics

The visual representation of Teen Talk study findings

2025 International Siblings Day

National Siblings Day is a holiday dedicated to celebrating the bond between siblings. It is a time to recognize the importance of siblings, whether they are brothers, sisters, step-siblings, or even those who feel like family.

Publications

The list of The Siblings Project publications

Rural Sibling Study

We want to hear from siblings living outside of Australian cities!

The Sibling Snapshot Project

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