Total Data Sets: 403

Open data catalogue

Ontario + open data - we like the sound of that. We’re hoping to unleash a new generation of winning ideas, services and applications.


  • Data collected using the Early Development Instrument (EDI) from 2009 - 2012, aggregated by sex and census division. The EDI was developed by researchers at the Offord Centre for Child Studies in McMaster University.
    Date published: June 2015
    Publisher: Children and Youth Services
    File types: CSV
  • The number of prenatal, postpartum and early childhood screens administered through the Healthy Babies Healthy Children program between 2002 and 2013.
    Date published: June 2015
    Publisher: Children and Youth Services
    File types: XLSX, CSV
  • Enrolment in Locally Developed Courses at publicly funded secondary schools.
    Date published: May 2015
    Publisher: Education
    File types: XLSX, TXT
  • A list of registered religious officials authorized to perform marriages in the province.
    Date published: May 2015
    Publisher: Government and Consumer Services
    File types: CSV, XLS
  • Ecological land classification (ELC) is used to describe various systems to indicate natural regions based on ecological factors.
    Date published: April 2015
    Publisher: Natural Resources and Forestry
    File types:
  • This polygon dataset displays the drainage superintendents for each lower, single tier municipality in Ontario.
    Date published: April 2015
    Publisher: Agriculture, Food and Rural Affairs
    File types:
  • The heritage statuses of the province’s courthouses.
    Date published: April 2015
    Publisher: Attorney General
    File types: CSV
  • Construction years for the province’s courthouses.
    Date published: April 2015
    Publisher: Attorney General
    File types: CSV
  • Data summarizing the impact of emergencies on operations at the Ministry of the Attorney General.
    Date published: April 2015
    Publisher: Attorney General
    File types: CSV
  • Data from a report tracking use of the Ministry of the Attorney General’s law library.
    Date published: April 2015
    Publisher: Attorney General
    File types: CSV