The Memory Streams of 4D Eir is a massive, safe nation, remarkable for its restrictive gun laws. The hard-nosed, cynical population of 1.078 billion 4D Eirians are kept under strict control by the oppressive government, which measures its success by the nation's GDP and refers to individual citizens as "human resources."

The large, moralistic, well-organized government juggles the competing demands of Law & Order, Defense, and Healthcare. The average income tax rate is 40.9%, but much higher for the wealthy.

The sizeable but inefficient 4D Eirian economy, worth 39.5 trillion chess pieces a year, is quite specialized and mostly made up of the Trout Farming industry, with significant contributions from Door-to-door Insurance Sales, Cheese Exports, and Retail. State-owned companies are common. Average income is 36,665 chess pieces, and evenly distributed, with the richest citizens earning only 2.4 times as much as the poorest.

Crime is totally unknown, thanks to a very well-funded police force and progressive social policies in education and welfare. 4D Eir's national animal is the butterfly.

4D Eir is ranked 202,066^th in the world and 74^th in Sanctuary of Syl for Largest Welfare Programs, scoring 430.35 on the Safety Net Mesh Density Rating.