UNICEF'S report on refugee and migrant children assesses the condition of 50 million children who have been displaced because of conflicts in their countries.
In 2015, the plight of Syrian children was exposed to the world when three-year-old Aylan Kurdi's body washed up on a beach in Turkey after drowning at the Mediterranean Sea while his family was trying to reach Europe.
Images of a four-year-old Syrian boy Omran Daqneesh injured in an air strike reverberated around the world becoming a symbol for the plight of children in the country's five-year-old civil war. His elder brother, Ali, succumbed from the injuries sustained in the same air strike a few days later.
In 2015 in Palestine, children and families were still struggling to recover from the violence that engulfed Gaza the year before. In this picture, a young girl holds a railing outside her family?s partially destroyed home, in the Shejaiya neighbourhood of Gaza City.
Children play with a puzzle at a UNICEF-supported centre in Athens in 2016. With a surge in the number of new arrivals, hundreds of refugees and and migrant children stranded in Greece are in critical need of education and protection, as per UNICEF. The influx, mostly from neighbouring Syria, Turkey and Egypt, comes at a time when the country is reeling under a financial crisis, putting a strain on its social welfare system.
A young South Sudanese refugee looks at the sky from his window seat while travelling to UNHCR's Transit Centre in Uganda's Adjumani. Prolonged civil war and conflict in Sudan has led to an exodus of people from the country into neighbouring Uganda.
An internally displaced child stands at the entrance to his family?s shelter in a camp in the outskirts of Sana?a, Yemen. Over 2.8 million internally displaced persons have fled their homes due to ongoing civil war in the country.
A young girl from the marginalised Roma community plays on a tricycle on the outskirts of Belgrade, Serbia where access to land, credit and property rights has a further impact on the prospect of child survival.
Muhammed Zanna-Dikwa, a civil servant and community head, stands with internally displaced children he is providing shelter to in his house in Maiduguri, Nigeria. An estimated 2.4 million people have been internally displaced in the country as a result of the Boko Haram conflict.