At Hong Kong people can read and write sinplified ideograms or traditional Ones only?

most people use traditional chinese characters.

some people can use both.

What's ideogram ?

Most people in Hong Kong can read and write both ideograms, but when some people take notes, they will use some simplified one as it is quicker and easy.

I think many people can read Simplified Chinese, may not be able to write all of them but can write at least a few.

Jdkxns

Maybe only a few people can write and read simplified characters in hong kong.