[Aloha]

How common exactly are building collapses in the US - particularly in large scale construction?

I can think of maybe 3-4 over the last 20 years. How common are they in the developing world? that'd seem to be a much higher number.

[markdown]

The US vs the entire developing world? LOL, of course there are going to be more in the developing world, since that covers most of the habitable parts of the planet.