Based on surveys of the population in each country re: the year 2004:
Violent crime
Rate per 1,000 population
U.S.
Assault, sexual assault, armed robbery
21.4
Canada
Sexual assault, robbery, physical assault
106
Property crime
Rate per 1,000 population
U.S.
Burglary, theft, motor vehicle theft
161
Canada
Break-and-enter, motor vehicle theft, household
property theft, vandalism
248