Trinity College Dublin, The University of Dublin

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The Irish Longitudinal Study on Ageing (TILDA)

TILDA is a large-scale, nationally representative, longitudinal study on ageing in Ireland, the overarching aim of which is to make Ireland the best place in the world to grow old.

Study Aims TILDA Researchers

Participants 10,000+ Taking part in TILDA Our Journey 20 Years of research Data Collection 7 Study waves Research 600+ Publications

TILDA is designated as the WHO Collaborating Centre for Longitudinal Studies on Ageing and the Life Course

About the Study Learn about the study’s goals, background and what makes it unique.

Participant Information Information for current and prospective study participants.

Data Access Find out how to access study data, including application guidance and policies.

Data Workshops Explore upcoming and past workshops, training materials and recordings.

Data & Research Resources Access publications, datasets, tools and other resources to support your research.

Our Funding Partners

TILDA has been made possible through the generous support of our funding partners for almost two decades. Current data collection is funded by the Department of Health, with funding administered through the Health Research Board (HRB). We also gratefully acknowledge The Atlantic Philanthropies, whose visionary investment helped establish and sustain the study during its formative years.