Lots of nations require carrying some form of ID: https://en.wikipedia.org/wiki/List_of_national_identity_card_policies_by_country#Countries_with_non-compulsory

Lots of nations require carrying some form of ID: https://en.wikipedia.org/wiki/List_of_national_identity_card_policies_by_country#Countries_with_non-compulsory_identity_cards 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/compulsory-identification https://www.government.nl/topics/identification-documents/co...