What Is the Net Worth Equation
The net worth equation subtracts total liabilities from total assets to show a single financial position figure. Assets include cash, investments, real estate, and business ownership stakes, while liabilities cover debts, loans, and obligations. The formula is Net Worth = Total Assets − Total Liabilities, and it applies to individuals, households, and companies alike.
Forbes regularly updates billionaire net worth rankings using this equation, combining public market data with private company estimates from sources like Bloomberg and PitchBook. The resulting number shows the residual value after all debts are paid, making it a standard measure of financial health rather than a measure of income or spending.
How to Calculate Net Worth Step by Step
Start by listing every asset at its current market value, including bank accounts, brokerage portfolios, retirement accounts, real estate, vehicles, and business interests. Then list every liability, such as mortgages, auto loans, credit card balances, student loans, and outstanding business debts, using the remaining balance rather than the original loan amount.
Subtract the total liabilities from the total assets to get the net worth figure. If the result is positive, assets exceed obligations; if negative, debts outweigh assets. For public companies, the same logic appears on the balance sheet as shareholders' equity, which you can verify on SEC filings such as the 10-K annual report linked here.
Real-World Net Worth Examples and Rankings
Elon Musk's net worth is driven largely by his stakes in Tesla and SpaceX, with Tesla market capitalization and SpaceX private valuations feeding directly into the assets side of the equation. Forbes tracks these figures using real-time stock prices and private-market data, updating rankings as markets move and new funding rounds close.
For everyday individuals, net worth tracking helps measure progress toward financial goals, compare household balance sheets over time, and identify excessive debt relative to assets. The Federal Reserve's Survey of Consumer Finances provides aggregate net worth data for U.S. households, while public company balance sheets on SEC EDGAR let investors compare corporate net worth figures across industries.