Each of the 80,000 lines represents approximately 100,000 people. The full grid accounts for 8.1 billion. Poverty thresholds follow the World Bank’s international poverty line: $3.00 per day in 2021 purchasing power parity, updated in 2025. PPP adjusts for what money actually buys in different countries so comparisons hold across borders.

The 1% are defined by net worth, not income. Anyone holding assets above $1 million after liabilities qualifies. This is a different measure from the consumption data used for all other tiers and the two are not directly comparable. Wealth share figures come from the World Inequality Database. The 47.5% shown is a midpoint; credible estimates range from 43% to 52% depending on how offshore wealth is counted and which methodology is applied.