The number of annual incidents of major violence against aid workers has more than doubled since 2003, writes Jackson.
![Incidents in Afghanistan, Somalia, Sudan and Pakistan account for approximately 60 per cent of all killings, kidnappings and serious injuries suffered by humanitarians in the past year [Getty Images]](/wp-content/uploads/2012/07/2012728162032829734_20.jpeg?resize=270%2C180&quality=80)

Ashley Jackson is a Research Fellow in the Humanitarian Policy Group at the Overseas Development Institute. Before joining ODI she worked for several years in Afghanistan with the United Nations and Oxfam.
The number of annual incidents of major violence against aid workers has more than doubled since 2003, writes Jackson.
![Incidents in Afghanistan, Somalia, Sudan and Pakistan account for approximately 60 per cent of all killings, kidnappings and serious injuries suffered by humanitarians in the past year [Getty Images]](/wp-content/uploads/2012/07/2012728162032829734_20.jpeg?resize=270%2C180&quality=80)