The EDI is a short questionnaire completed by kindergarten teachers across Canada and internationally which measures children’s ability to meet age appropriate developmental expectations.

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News & Events

EDI included as measure of Southwestern Ontario health

Southwestern Public Health, the organization that covers Oxford, Elgin, and St. Thomas, has released a new report on the current health status of people in the region.

Results from 2018 AEDC collection released

A report on the developmental health outcomes for nearly 309,000 Australian children has been released by the Australian government.

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Latest Reports

Poverty and early childhood outcomes

June 17, 2019

The rate of poverty in Canada is dropping. From 2016 to 2017 the percentage of the population living below Canada’s Official Poverty Line went from 10.6% to 9.5%.

How does a parent’s chronic illness impact their child?

April 24, 2019

Chronic physical illnesses are complex, lengthy, and difficult to treat. People dealing with this type of illness often experience impaired physical and social functioning, as well as reduced well-being. Because of these issues, the impact of a physical illness often reaches beyond an individual to his or her immediate family.

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Completed EDIs

The EDI information collected for five-year-old children in Canada since 2004

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Provinces & territories

Canadian provinces and territories EDI has been implemented in


Of children vulnerable

The number of children vulnerable in at least one developmental domain





The number of children vulnerable in at least one developmental domain by gender

Global Reach

Countries in which the EDI
has been implemented: