(Northern) China here. Eggs sold unrefrigerated and unwashed. Almost exclusively refrigerated at home. Eggs are invariably cooked thoroughly; the suggestion of a runny or even moist yolk is traditionally met with confused looks and fears of food poisoning. Brooding of poultry is not permitted in most cities/towns/areas with apartments, but considered normal in rural areas (places with gardens). I understand the fresh…
Japan here. People refrigerate eggs, but often eat them raw over rice. In summer, raw egg take away, is usually stopped. eg. http://www.yoshinoya.com/menu/sidemenu/index.html You can see it on the menu there as "Talk away ok" but underneath it says from 6/1 ～9/30 no take away.
Interesting. When you say over rice, is the served rice hot enough to partially cook it? I love a raw egg over Korean style 'banfan' where rice is cooked in an iron bowl, and raw egg and beef / fish are mixed in at serving time (at the table), together with salad style vegetables.