U.S. School Diversity Peaks at 85.3, Median Holds at 2.38

8,612 Glottolog records concentrate 27% in Africa — a map of fieldwork, not speech

Large U.S. markets anchor six distinct sports identity patterns

China holds 1.36 billion people against a 5.2 million median — five countries control 72% of aggregate population

Brazil Dominates UN Roll-Call Records — 747 Appearances in 100,000-Vote Sample