The vast majority of European countries at least [0]. Every car needs to have one, their contents is standardised and since they're produced in huge quantities, they're hilariously cheap.
First aid training and an exam are also mandatory for getting your driver's license in many countries.
First aid training and an exam are also mandatory for getting your driver's license in many countries.
[0] https://www.oponeo.co.uk/blog/mandatory-equipment-for-vehicl...