[mrep]

They also have 1/6 the population density as the United States.

[sib]

I think S Korea has about 14x the population density of the US. See, for example, http://data.worldbank.org/indicator/EN.POP.DNST

[mrep]

Wow, I don't remember what site I used but wikipedia also seems to agree with you [1].

[1]: https://en.wikipedia.org/wiki/List_of_countries_and_territor...

[nickpsecurity]

I also recall they do combined public/private investments that require private companies to do something other than give money to shareholders. ;)