https://voiceofeurope.com/2018/03/the-replacement-of-germans-by-migrants-is-near-record-high-and-thats-bad-news/
About 23% of the total population of 82 million Germans now have a migrant background according to a census of 2016. In comparison only one tenth of pensioners have a migrant background compared to 38% of children. In Western Germany this number is even higher at 42% for children.