GDP (nominal)
Gross domestic product at current market prices, converted to US dollars: the total value of all goods and services produced in a year.
How it is measured
National accounts compiled by statistical agencies following the UN System of National Accounts, converted to dollars at official exchange rates.
Where the number came from
GDP is younger than most people assume. Simon Kuznets built the first systematic US national income accounts for Congress in 1934, and the concept was hardened into a wartime planning tool: the question "how much can this economy produce if we ask everything of it?" needed a single number. The Bretton Woods institutions then exported the framework, and the UN System of National Accounts, first published in 1953 and revised in 1968, 1993 and 2008, made it comparable across countries. Two things follow from that origin. First, GDP was designed to measure production, not welfare; Kuznets himself warned Congress that "the welfare of a nation can scarcely be inferred from a measurement of national income." Second, because the rules are revised every generation or two, the historical series you read today has usually been rewritten backwards to the newest standard, which is one reason old almanac figures rarely match current ones.
Worked example: how Germany passed Japan without either economy changing much
Our 2025 figures put Germany at about $5.05 trillion and Japan at about $4.44 trillion, with the United Kingdom at roughly $4.00 trillion and India just behind at about $3.96 trillion. Read as a league table that says Germany is a quarter larger than Japan. Read as economics it says something more specific: a great deal of the movement between Japan and its peers over recent years came from the yen rather than from Japanese factories, because nominal GDP is measured in local prices and then converted at the market exchange rate. A currency that loses a fifth of its dollar value shrinks its country by a fifth in this table while the economy underneath produces exactly as much as before. India in the same table is the mirror case: $3.96 trillion at market exchange rates, but the Factbook’s final archived estimate of India’s output at purchasing power parity was $14.244 trillion (2024 estimate, in 2021 dollars). Same country, same year, a 3.5x difference, and both numbers are correct answers to different questions. Use the nominal figure for anything transacted in world markets, and a PPP figure for anything about what is actually produced and consumed at home.
Figures read from our own gdp (nominal) table; each row there carries its observation year and whether it came from a live feed or the frozen archive.
Our data source
World Bank WDI (NY.GDP.MKTP.CD); IMF World Economic Outlook for Taiwan, Kosovo, and forecasts.
Refresh cadence: World Bank quarterly refreshes; IMF WEO editions in April and October. We take the latest on each rebuild.
What to watch for
Nominal GDP swings with exchange rates: a currency depreciation can shrink a country in dollar terms while its real economy grows. For living-standards comparisons use GDP per capita; for economy-size comparisons across price levels, PPP measures are fairer.
CIA World Factbook equivalent field: "GDP (official exchange rate)" (frozen at the January 2026 final edition; our figures continue from live sources).