The Mummy knows best of McMasterdonia is a gargantuan, environmentally stunning nation, ruled by The Queen Mother with an iron fist, and notable for its rampant corporate plagiarism, conspicuous electricity pylons, and devotion to social welfare. The compassionate, cynical, humorless population of 27.855 billion McMasterdonians are ruled with an iron fist by the dictatorship government, which ensures that no-one outside the party gets too rich. In their personal lives, however, citizens are relatively unoppressed; it remains to be seen whether this is because the government genuinely cares about its people, or if it hasn't gotten around to stamping out civil rights yet.

The large, corrupt, socially-minded, well-organized government juggles the competing demands of Education, Healthcare, and Environment. It meets to discuss matters of state in the capital city of Intelligentsia. The average income tax rate is 89.0%, and even higher for the wealthy.

The frighteningly efficient McMasterdonian economy, worth a remarkable 4,160 trillion Livres a year, is driven entirely by a combination of government and state-owned industry, with private enterprise illegal. However, for those in the know, there is a slick, highly efficient, quite specialized black market in Tourism, Arms Manufacturing, Information Technology, and Book Publishing. The private sector mostly consists of enterprising ten-year-olds selling lemonade on the sidewalk, but the government is looking at stamping this out. Average income is an impressive 149,348 Livres, and distributed extremely evenly, with practically no difference between the richest and poorest citizens.

Unshaven men are viewed with suspicion in courts of law, fixing attendance at women's matches is a matter of "when they go low, we go high... funding", there's never enough space in space, and research grant proposals read like political diatribes. Crime, especially youth-related, is totally unknown, thanks to a well-funded police force and progressive social policies in education and welfare. McMasterdonia's national animal is the McMasterdonian Lion, which frolics freely in the nation's many lush forests, and its national religion is Flemingovianism.

McMasterdonia is ranked 289,948^th in the world and 4,258^th in The North Pacific for Most Rebellious Youth, scoring -15 on the Stark-Dean Displacement Index.