Of these, 22.5 million were refugees, 40.3 million were internally displaced, and 2.8 million were asylum seekers. Many displaced children travel alone or are separated from their parents. Among the children making the dangerous passage from North Africa to Europe, the vast majority—92 per cent—of those who arrived in Italy in 2016 and the first two months of 2017 were unaccompanied. In 2015, for instance, almost 27 pe of women aged 20-24 were married before the age of 18—a pra commonplace in Southern Asia and sub-Saharan Africa. Women spent almost three times as many hours on unpaid domestic work as men.