This report from UNICEF provides an overview of the migrant and refugee crisis in Europe, including key highlights, statistics, and other data. According to the report, 1 in 4 arrivals to Europe in 2017 were children and over 158,000 children sought asylum in Europe from January to November 2017. The report provides a summary analysis and describes program response in individual countries, including Greece, Italy, Bulgaria, Turkey, Macedonia, Serbia, Croatia, Slovenia, Austria, and Germany.