Real GDP
Plain definition
Real GDP is the total market value of all final goods and services produced within a country's borders in a given period, adjusted for inflation. It uses the prices of a chosen base year instead of current prices, so its movements reflect genuine changes in production volume rather than rising or falling prices.
In economics
Real GDP is the standard measure economists use to track true economic growth over time and compare productive capacity across years. Central banks, treasuries, and investors watch quarterly real GDP releases to judge whether an economy is expanding or contracting, because nominal GDP alone can be misleading when prices are volatile. A sustained rise in real GDP generally means more jobs, higher incomes, and greater productive capacity.
Example
Suppose a country's nominal GDP grows from 1.08 trillion in a year (up 8%), but overall prices rose 5% in the same period. Real GDP grew by only about 3%: the economy produced roughly 3% more goods and services, while the rest of the nominal gain was inflation. Policymakers care about the 3% figure, not the 8%.
Real GDP is often confused with nominal GDP: nominal GDP values output at today's prices, so it rises with inflation even if nothing extra is produced, while real GDP holds prices fixed at a base year to isolate output. It is also different from GDP per capita — real GDP measures the size of the economy, whereas GDP per capita divides it by population to approximate average income or living standards.