Over 42 million people across the world were newly displaced by sudden-onset natural hazards in 2010, according to this study by IDMC
01 June 2011 | Publication
Extreme, sudden-onset weather events - primarily floods and storms - displaced more than 38 million people worldwide in 20101. The devastating floods in Pakistan, caused by unusually heavy monsoon rains in July and August, accounted for 11 million. The rains brought flooding to as much as a fifth of Pakistan’s national territory, which affected more than 10 per cent of the country's population of 181 million.
01 June 2011 | Briefing Paper