Global Money Supply Overview
The total money supply in the world includes currency in circulation and various types of bank deposits. The narrowest measure, M0, covers physical cash and central bank reserves, while broader measures like M2 add savings and time deposits. According to the Federal Reserve and the Bank for International Settlements, global M2 has grown substantially over the past decade as central banks expanded balance sheets. The latest data shows that the United States, China, and the Eurozone together account for the largest share of world money supply.
Broad money figures are updated quarterly by institutions such as the IMF and the World Bank, and they reflect both domestic and international banking activity. The IMF's International Financial Statistics and the BIS Quarterly Review provide the most widely cited datasets for cross-country comparisons. You can check the latest BIS data on global liquidity and credit aggregates at BIS Statistics.
How Much Physical Cash Exists Worldwide
Physical currency in circulation, including banknotes and coins, represents only a small fraction of the world's total money. The Federal Reserve reports that U.S. currency in circulation has grown steadily, driven by demand for small-denomination notes and international use of the dollar. Similarly, the People's Bank of China tracks the total value of banknotes and coins in the Chinese economy, which is among the largest in absolute terms.
Cash usage varies widely by country, with some economies relying heavily on digital payments while others remain predominantly cash-based. The Bank for International Settlements publishes cross-country data on currency in circulation and payment trends at BIS Payment Systems. These reports help explain why physical cash remains a visible but shrinking share of the global money stock.
Money, Wealth, and Digital Assets
Beyond traditional money supply, global wealth includes stocks, bonds, real estate, and other financial assets. The Credit Suisse Global Wealth Report and the World Inequality Database provide estimates of household wealth across countries. In recent years, digital assets such as cryptocurrencies have added a new category, with total market capitalization fluctuating based on price movements and adoption rates.
Companies like Tesla and SpaceX are often cited in discussions about wealth concentration and corporate valuations, but their market capitalizations represent only a slice of global financial assets. The U.S. Securities and Exchange Commission provides filings and market data that help track the size and composition of publicly traded companies at SEC EDGAR. Understanding how much money the world has requires looking at both traditional measures and emerging asset classes together.