Missing unaccompanied minors are a problem that the refugee crisis in Europe has caused. In Germany, the number of missing unaccompanied minors in early 2019 was lower than two years earlier. Nevertheless, a decrease in the number of missing children does not necessarily indicate that the reception system has improved.
Nine underage immigrants were held for weeks at various Greek police stations in 2016. Their rights were violated several times. After a three-year trial, the European Court of Human Rights (ECHR) ruled on the case in February 2019.