Edit: I'm talking about potential car-less city centers, which are limited to a very small section of most cities. City centers are generally less prone to deadly accidents anyway as shown for example here for the US: http://www.cdc.gov/Features/TeenDrivingDeaths/
There's probably an equal number of:
* giggling drunkards crossing the street
* jaywalkers who think it's the middle of the night
and obviously no car would be coming
* people who think black is reflective as they walk
into the road to cross a street on a dark road
* giggling people not paying attention
* pedestrians staring at their phones crossing the
street without looking
And * inattentive drivers
* sleepy drivers
* drivers looking at their cell phone
It's not always the driver's fault, especially in cities where speeds tend to be lower. In some cities, people meandering around inattentively are VERY hard to predict movement of.Please note, I'm not saying that it's never the driver's fault either; but, the whole situation is a give and take for everyone. No cars in city centers except maybe public transit of some description would be pretty great, I think, in general.
In much of the rest of the world, the concept barely exists & many people find the idea that pedestrians are somehow automatically at fault simply for being on the road when someone drives their vehicle into them almost offensive. Why should the driver's right of way be preferred to the pedestrians'?
[1] Buses, trains & tracks, bike rentals & bike paths, etc. Choose as you may, it still requires a redesign of the city center.