Canada has 10% of the US population and shares many aspect of a common North American culture.
Canada has 31 guns per 100 residents, but mainly rifles. In Canada there are around 150-200 deaths from firearms per year - over 70% of which are suicides and 3% are accidents. All Canadian cops are armed Police shootings make up less than 2% of fatalities.
In the USA there are around 11,000 deaths from firearms, of which around 60% are suicides. Guns are used in 60% of US homicides and 10% of Canadian. Whites are killed by police officers more often than blacks, but white make up around 60% of the population, blacks make up 10%.
OTOH, apparently police officers are eight times more likely to be killed by a black gunman than a white one, which may partly account for their trigger-happiness