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There are nearly 8.2 billion people living on Earth today, per the latest numbers from the U.S. Census Bureau. If $1 trillion was divided among the entire population, each person would receive almost $122.Double the GDP of South AfricaOne trillion dollars is more than double the annual GDP of South Africa, the country where Musk was born. According 2026 numbers from International Monetary Fund, the nation’s output of goods and services stands at nearly $480 billion.Only about 21 countries in the world have a GDP over the trillion-dollar mark today. The U.S. and China lead the pack at more than $32.38 trillion and $20.85 trillion, respectively, but that is far ahead of most other economies.Houses sold in the U.S. have a median sales price of about $403,200, per the latest numbers from the Federal Reserve Bank of St. Louis. With $1 trillion, you could buy nearly 2.5 million homes at that cost.At current U.S. gas prices — which averaged at nearly $4.11 a gallon Friday per AAA — $1 trillion could buy more than 243 billion gallons of regular fuel.To help put that in context, that far surpasses the nearly 137 billion gallons Americans used on finished motor gasoline all last year. And prices at the pump were much less expensive in 2025. Steep oil prices, spanning from the U.S. and Israel's ongoing war against Iran, propelled the national average above $4 a gallon for the first time in four years.Over $700 billion ahead the world's second richest personAccording to Forbes, the second-richest person in the world today is Google co-founder Larry Page — who carried a net worth of nearly $294 billion as of midday Friday. That's $706 billion under the trillion dollar mark.In fact, the combined net worth, as of Friday, of the four men following Musk on Forbes' richest list — which, beyond Page, includes fellow Google co-founder Sergey Brin ($271 billion), Amazon's Jeff Bezos ($249 billion) and Oracle’s Larry Ellison ($232 billion) — amounted to about $1.05 trillion.Those fortunes can oscillate by tens of billions of dollars by the day, or even a matter of hours. Musk's own net worth has rapidly ballooned in value. Just last year, his net worth sat at $342 billion per Forbes — up from $195 billion in 2024.