Most Dangerous Cities in Ontario (2025)

Statistics Canada CSI 2025 · Canada 75.0 (2006 = 100)

1. 1. Thunder Bay CSI 119.2
2. 2. Cornwall CSI 97.2
3. 3. Brantford CSI 84.0
4. 4. London CSI 73.0
5. 5. Windsor CSI 71.5
6. 6. Waterloo Region CSI 66.8
7. 7. Greater Sudbury CSI 65.7
8. 8. Chatham-Kent CSI 65.7
9. 9. Belleville CSI 63.1
10. 10. Hamilton CSI 62.2
11. 11. Toronto CSI 60.0
12. 12. Brampton CSI 59.4
13. 13. Mississauga CSI 59.4
14. 14. Guelph CSI 57.8
15. 15. Peterborough CSI 57.3
16. 16. Niagara Region CSI 53.8
17. 17. Ottawa CSI 52.2

CSI is Statistics Canada’s Crime Severity Index; our map counts are separate. How we measure.

Safest cities · Most dangerous cities · All rankings