The Fortune Global 500 ranks the biggest companies by revenue. Walmart leads for a 12th year, ahead of Amazon and State Grid. The 500 earned $41.7 trillion.

GDP is the total market value of all final goods and services a country produces. World GDP reached about $111 trillion in 2024 (World Bank).

The US dollar is the most traded currency, on one side of about 89% of all FX trades. Global currency trading tops $9.6 trillion a day (BIS, 2025).

By assets, the four largest banks are all Chinese, led by ICBC (~$7.65 trillion). By market value, JPMorgan Chase is the world largest bank.

The factors of production are land, labor, capital and entrepreneurship. In 2024 services generated 63.3% of world GDP versus 4.1% for agriculture (World Bank).

Elon Musk leads the richest self-made billionaires at about $839 billion. Roughly two-thirds of the world billionaires built their own wealth rather than inheriting it.

The youngest billionaires in 2026 are heirs aged 20, but the three 22-year-old cofounders of AI startup Mercor are the youngest self-made billionaires ever (Forbes).

The Walton family (Walmart) is the richest in the world at about $520 billion, the first family past half a trillion. Gulf royals and the Hermes family follow.

Nvidia, Apple and Alphabet are the most valuable companies in the world, each above $4 trillion in 2026. Nine of the top ten are tech firms; only Saudi Aramco is not.

Elon Musk is the richest person in the world and in any country. Nearly every nation has its own wealthiest resident – Ambani in India, Slim in Mexico, Dangote in Nigeria.