4% of conditions were moderate, and 5% were severe.
The report was published June 11 in the journal The Lancet.
“I am confident that our study provides the most accurate estimates available today of the prevalence of mental health conditions in areas of conflict,” lead author Fiona Charlson said in a journal news release. She is a postdoctoral researcher at the University of Queensland in Australia and the University of Washington in Seattle.
Conflict areas today include Afghanistan, Iraq, Nigeria, Somalia, South Sudan, Syria, and Yemen.
In 2016, the number of wars was at a historic high — with 53 ongoing conflicts in 37 countries and 12% of the world’s population living in an active conflict zone, the study found. Almost 69 million people worldwide have been displaced by violence and conflict, the most since World War II.
Researchers said the complexity of collecting data in conflict areas may result in