According to OurWorldInData, a person is almost three times more likely to be killed in a car accident than in a homicide by another person. (5.8 homicides per 100k people vs. 16.7 car deaths per 100k per year)

In comparison, non-homicide rapes are... 37.5 per 100k people (oof, much worse that I expected). However, most sources I can find seem to indicate a fairly small percentage of rapes are committed by strangers not known to the victim (A Better Way states it's 28%). If we take that into account and apply it to the OurWorldInData numbers, it comes out to 10.5 people per 100k are victims of rape by total strangers.

That doesn't account for the fact that many rapes are not reported, and the risk of rape can vary wildly between different states (holy shit is Alaska rape-y) so the real risk is probably a bit higher than my numbers in most areas, and lower in others.

That wasn't the result I was expecting when I started writing this comment. I guess in conclusion, people are way more likely to be killed in a car accident than some rando murdering them, but depending on where they live, death by driving may be more or less likely than being raped by a stranger. So uh... Yeah. Not great.

I think that's a good way to put it. You can't do much about someone else crashing into you (Unless your husband is Mr Incredible), but you can do a whole lot more when selling/buying something to/from a stranger to avoid that turning nasty.

Genuine question here, am not trying to be edgy or controversial: Which would you least like to happen - be raped, or lose the use of a limb in a road accident?

As a cishet man, I'd take the former (assuming no HIV etc)