The United Kingdom of Mattielandia is a titanic, socially progressive nation, ruled by Mattie the Dog with an even hand, and remarkable for its daily referendums, sprawling nuclear power plants, and absence of drug laws. The compassionate, cheerful population of 12.839 billion Mattielandians enjoy extensive civil rights and enjoy a level of social equality free from the usual accompanying government corruption.

The enormous government juggles the competing demands of Education, Administration, and Environment. It meets to discuss matters of state in the capital city of Grey City. The average income tax rate is 97.5%.

The frighteningly efficient Mattielandian economy, worth a remarkable 2,238 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 174,316 Doodles, and distributed extremely evenly, with practically no difference between the richest and poorest citizens.

Passionate nomination battles are often as intense as general elections, every school is receiving a brand new eraser, government-sponsored WiFi allows farmers to rant about city folks in real time, and small children are learning a lot of new words from a teacher with Tourette Syndrome. 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 2,741^st in the world and 4^th in Karma for Most Eco-Friendly Governments, scoring 10,794.96 on the Dolphin Recycling Awareness Index.