Global number of reported disasters by size per decade

‘Small’ events have 5 or fewer deaths, less than 1,500 people affected, or reported economic damages below US$13 million. ‘Large’ events have at least 50deaths, more than 150,000 people affected, or reported economic damages of at least US$320 million. At least part of the increase in small and mediumreported events is due to improved reporting over time.