[mothered]

Nope, he's alive. He made his first public appearance in weeks just yesterday I think. Just look in the news section of your search engine.

You're absolutely correct. I've just hit a Google search, and he's all over the news.

Wikipedia Is pretty good In keeping up-to-date with the very latest developments, and they have him listed as follows.

Kim Jong-un is a North Korean politician

If he's dead, It would be written as: Kim Jong-un was a North Korean politician. "Was", being the operative word.