You can get a small hint of what applies in most places by studying this report on the demographic factors that correlate with rates of violent crime in British Columbia, Canada. I deserve to have and, if you don't give it to me, I have a right to take it from someone. You will find this in some of the materials linked from this site. The other things already mentioned will help move us in this direction. You and I may actually have to stop entertaining ourselves once in a while to do the things that need to be done.
Neighborhood watch just causes criminals to move to a different neighborhood.
Most importantly, accept responsibility for taking care of yourself rather than deluding yourself that you're safe because your area is relatively crime-free or because police protect you. Most people can acquire the mindset and training. If you cannot decide within you that you could do this without hesitation, do what you can to avoid hazard and, if you're ever in the hazardous situation with nobody around who's able to help you, you will likely just be raped, beaten, robbed or killed as politicians with guards, security systems and their own gun permits would have you do. Having a firearm for protection is not a thing to go into lightly. And your armed neighbor or a stranger may then be able to protect you or your family member.