why do countries such as South Korea and China have latin numbers and letters on their license plates when their language doesn’t use them?

Question

Edit: Latin letters and numbers might not be the right word. I meant letters such as AaBbCc and numbers such as 123.

In: 3829

Answer 1

You mean the Arabic numerals? Because they are pretty much globally understood. As for Latin alphabet, it is widely used and simple enough but they are not used in Japan for example at all.