Japan. And many of the Far Eastern countries, where a super high-flown variant of hypergamy is the rule. This isn't some kind of historical exception, though. Prior to the 20th century, polygamy was the rule outside of Europe and the European-settled Americas. Men of limited means generally stayed single and rented.
The estimates are that there are about 40MM more men than women.
That’s one heck of a standing army, should the Chinese decide they could afford to march W, or N.
It is a DAMN good thing the Chinese don’t have an effective sealift capability.