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

Parent toolkit aimed at helping children’s development

The Children & Families Commission of Orange County has published a toolkit for parents to help them support their children’s healthy development.

CIHR celebrates Canada 150

To help celebrate Canada 150, Canadian Institutes of Health Research (CIHR) created the Celebrating Health Research storybook.

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Latest Reports

Does a mother’s sleep during pregnancy affect children’s development?

January 26, 2018

Sleep is incredibly important for children’s development. Getting 11-12 hours of sleep a day is associated with healthy development. Whereas getting too little sleep is associated with a host of problems.

Long-term outcomes for large babies

December 18, 2017

Studies show long-term risks for children born small for their gestational age. Early Development Instrument (EDI) research shows these babies are at greater risk for later developmental vulnerability. Less is known about babies born large for their gestational age.

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Completed EDIs

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

12 of 13

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: