Submit Data

We collect and maintain a large body of data about health care in Ontario. Learn about the cancer data submission process, and the Ontario Renal Reporting System. 

Our data holdings include:

  • wait times for cancer services, surgery, diagnostic imaging, emergency rooms
  • surgical efficiency
  • alternate level of care
  • cancer incidence and mortality
  • risk factors for chronic disease
  • quality measures for cancer and kidney care
  • chronic kidney disease incidence and mortality
  • health system performance

A full list of our data holdings is available on the Open Data page.

Last Updated: June 18, 2025