Practically a city state spread out over a few islands.
Lots of tech companies and a few oil companies as the seabed around Lou-Hai islands is rich in hydrocarbons. Lou-Hai is known for it's friendly rivalry with comparable nations like Orias and Artidol.
Artildol and Lou-Hai do have a defense treaty and many Lou-Hai fabricated weapons are used by Artidol in their conflicts with its neighbor's.

Meritocratic/Athenian democracy [CR:4]: Only children of lifelong citizens may vote, and only after passing a quite difficult IQ test (IQ:12 or more recommended)

23.5 million citizens 145 million residents with immigrant status

Lou-Hai