Development of the number of missing and reappeared unaccompanied minors in Germany since 2015. In 2018, the number of missing UAM represented 3.4 per cent of the total number of missing persons in Germany. auf die Gesamtzahl aller vermissten Personen in Deutschland aus. Source: File "Missing persons / Unknown deaths" of the BKA. The figures from the database can only represent a trend, as there are both under- and over-captures.