Quarter of German minors grow up fully or partly on social benefits. 1.81 million kids under 18 receive citizen's allowance. 1.3 million minors get child supplements for low-income parents. 854 thousand welfare kids are non-German citizens. High immigration is decisive cause of welfare dependency. Immigrants take years to find work and support families. Youth from welfare families face high risk of lifelong dependency. Economist warns of severe long-term societal problems from welfare-raised generation. Double citizens counted as Germans in stats.