[martijnarts]

Lots of nations require carrying some form of ID: https://en.wikipedia.org/wiki/List_of_national_identity_card...

In the US, permanent residents are required to carry their green card at all times.

Here's a description of the law for the Netherlands, where I live: https://www.government.nl/topics/identification-documents/co...

[garaetjjte]

There's difference between mandatory possession of ID, and requirement to carry it all the time. This list doesn't distinguish between that.