Passport Filled Up

I’m a US/Switzerland dual citizen traveling back and forth US and EU member states, primarily switzerland. Using a Swiss passport would be more convenient as I would be able to use automated passport control to avoid stamps and officers wouldn’t stamp my passport either since I’m an EU citizen. however, the US requires all americans to enter and exit the US with a US passport. I always hand my Swiss ID card to the officer so I don’t spend my 90 visa free days.

I have TONS of entry and exit stamps in my passport both from EU countries and US airports. and I mean it, each page is filled up with stamps overlapping each other. I even got my passport from the swiss embassy because for some reason passports issued by US embassies have 50 pages instead of 27.

so my question is that what happens if there aren’t any pages left for stamps? I don’t think they’ll do something serious like deporting but also, why would they let me in without a stamp? I’m just curious btw, this question has been on my head for a while now. the passports haven’t expired yet btw

I’m a US/Switzerland dual citizen traveling back and forth US and EU member states, primarily switzerland. Using a Swiss passport would be more convenient as I would be able to use automated passport control to avoid stamps and officers wouldn’t stamp my passport either since I’m an EU citizen. however, the US requires all americans to enter and exit the US with a US passport. I always hand my Swiss ID card to the officer so I don’t spend my 90 visa free days.

I have TONS of entry and exit stamps in my passport both from EU countries and US airports. and I mean it, each page is filled up with stamps overlapping each other. I even got my passport from the swiss embassy because for some reason passports issued by US embassies have 50 pages instead of 27.

so my question is that what happens if there aren’t any pages left for stamps? I don’t think they’ll do something serious like deporting but also, why would they let me in without a stamp? I’m just curious btw, this question has been on my head for a while now. the passports haven’t expired yet btw