Just moved to the Cologne area, dual citizen (U.S. and Germany) and just registered myself as a resident. Can I get health insurance without a job? Also, can I open a bank account without income? Currently I am looking for a job, but am unemployed as of now.

Hey everyone, I am having trouble finding the answers to these questions on Google so I thought maybe I could get some help here. I know I legally need health insurance, and I also need a German bank account because my American one does not have an IBAN. Any insight would be greatly appreciated, thank you.

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edit: I've had some unkind responses regarding my lack of preparedness for moving here, which is true. I had to move here on short notice due to very unfortunate circumstances in my life, and I had to move in with my family here, and they also are a bit confused about all of this since they are older and haven't had to deal with moving here from abroad.