The four countries discussed in this report—South Sudan, Syria, Venezuela and Yemen—as well as camps for displaced populations around the world have weakened health systems unable to meet existing needs.

Welcome to the best job in Cabinet, Foreign Secretary. 

Thousands of people are fleeing their homes as the Iraqi army, Kurdish Peshmerga and coalition forces fight to retake Mosul — Iraq's second largest city — from the ISIS militant group. Nearly 22,000 Iraqis have been displaced since the battle for Mosul began on October 17. Almost half of them are children. People who fled surrounding communities are telling International Rescue Committee aid workers about the two years of terror they endured living under ISIS. Here, one woman describes how her family managed to survive under ISIS’s strict code of behavior and dress, and how they were finally able to escape as the military offensive began.

Thousands of people are fleeing their homes as the Iraqi army, Kurdish Peshmerga and coalition forces fight to retake Mosul — Iraq's second largest city — from the ISIS militant group.

Sudan is now the country with the largest number of displaced people and the largest child displacement crisis in the world.