Since 2024, as much as 25,000 unqualified individuals from creating nations have been allowed to work in Germany for a number of months every year. Neither the employment company nor the Foreign Office and the Interior Ministry register whether or not these migrants then return to their homeland.
https://www.welt.de/politik/deutschland/plus6996e50380bddfc6bbe3f3ec/zuwanderung-bundesregierung-hat-keine-ahnung-wo-tausende-unqualifizierte-migranten-abgeblieben-sind.html