The United Kingdom of Mattielandia is a colossal, efficient nation, ruled by Mattie the Dog with an even hand, and remarkable for its soft-spoken computers, multi-spousal wedding ceremonies, and restrictive gun laws. The compassionate, cheerful population of 7.706 billion Mattielandians enjoy extensive civil rights and enjoy a level of social equality free from the usual accompanying government corruption.

The enormous, liberal, socially-minded government juggles the competing demands of Education, Administration, and Healthcare. It meets to discuss matters of state in the capital city of Grey City. The average income tax rate is 96.9%.

The frighteningly efficient Mattielandian economy, worth a remarkable 1,242 trillion Doodles a year, is driven entirely by a combination of government and state-owned industry, with private enterprise illegal. The industrial sector, which is highly specialized, is mostly made up of the Information Technology industry, with significant contributions from Book Publishing and Tourism. Average income is an impressive 161,207 Doodles, and distributed extremely evenly, with practically no difference between the richest and poorest citizens.

The government's economic policy can be summed up as "Abort, Retry, Fail?", drug deals return to the streets as legions of undercover officers stalk the dark web, interest in globalism never flags, and there are no more heroes any more. Crime, especially youth-related, is totally unknown. Mattielandia's national animal is the Greyhound, which frolics freely in the nation's many lush forests.

Mattielandia is ranked 287,831^st in the world and 233^rd in Karma for Largest Gambling Industry, scoring -18.54 on the Kelly Criterion Productivity Index.