Asia is the most vulnerable in terms of natural disasters, for example, 7 of 10 of the deadliest natural disasters (1980-2014) took place in this region. The damage trend from natural disasters is from human sufferings to economic damage along with countries’ developing process. This trend is also the same with world views, developing countries to developed ones.
The following figure indicates low-income countries tend to produce a huge number of casualties.
The past posts assists the above explanation.
Concerning the trends: