The Imperial Dominion of Arithei is a gargantuan, efficient nation, ruled by Lord Lanair with an even hand, and remarkable for its multi-spousal wedding ceremonies, smutty television, and sprawling nuclear power plants. The hard-nosed, democratic, cheerful population of 44.164 billion Arithites enjoy extensive civil freedoms, particularly in social issues, while business tends to be more regulated.

The relatively small, liberal government is primarily concerned with Education, although Environment, Industry, and Healthcare are also considered important, while Spirituality and Social Policy receive no funds. It meets to discuss matters of state in the capital city of Alqualondë. The average income tax rate is 85.9%, and even higher for the wealthy.

The frighteningly efficient Aritheian economy, worth an astonishing 18,377 trillion Drachmas a year, is led by the Information Technology industry, with major contributions from Book Publishing, Tourism, and Retail. State-owned companies are common. Average income is an amazing 416,123 Drachmas, and evenly distributed, with the richest citizens earning only 2.5 times as much as the poorest.

Escalators are avoided at all costs, the only movement outdoors is of ramen-delivery drones, mantis shrimp studies is academia's fastest-growing field, and nose plugs are the latest Aritheian fashion accessory. Crime is totally unknown. Arithei's national animal is the Lynx, which frolics freely in the nation's many lush forests.

Arithei is ranked 193^rd in the world and 2^nd in NationStates for Highest Food Quality, scoring 534.7 on the Meeshlin-Starr Index.