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GDP Growth Rate Calculator

Work out gdp growth rate instantly with clear inputs, formula shown and shareable results.

About GDP Growth Rate Calculator

Nominal GDP growth mixes real output growth with price change. Deflating by the GDP deflator isolates real growth, and dividing again by population growth gives per capita real growth — the figure that actually tracks changes in average living standards.

Formulas

Real growth

Real growth = (1 + Nominal growth) / (1 + Deflator change) - 1

Per capita real growth

Per capita = (1 + Real growth) / (1 + Population growth) - 1

Worked example

With the default values below, GDP Growth Rate Calculator returns Real GDP growth rate of 5.25%. Change any input above and every figure here is recalculated in your browser.

Inputs used

Nominal GDP, current year
295,000,000,000,000
Nominal GDP, previous year
269,000,000,000,000
Change in the GDP deflator
4.2
Population growth
0.85

Results

Real GDP growth rate
5.25%
Nominal GDP growth rate
9.67%
Real GDP per capita growth
4.36%
Deflator (inflation) component
4.20%

Step by step

  1. 1Values used
  2. 2Real growth
  3. 3Per capita real growth
  4. 4Real GDP growth rate= 5.25
  5. 5Nominal GDP growth rate= 9.67
  6. 6Real GDP per capita growth= 4.36
  7. 7Deflator (inflation) component= 4.20

Assumptions and limits

  • The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
  • Indicative estimate only. Fees, entitlements, limits and formulas vary by jurisdiction, statute, policy wording and the facts of the case. This is not legal, tax, insurance or financial advice — confirm with a qualified professional or the relevant authority.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Indicative estimate only. Fees, entitlements, limits and formulas vary by jurisdiction, statute, policy wording and the facts of the case. This is not legal, tax, insurance or financial advice — confirm with a qualified professional or the relevant authority.

Frequently Asked Questions

Why use the GDP deflator rather than CPI?

Because the deflator covers everything in GDP — investment, government and exports — not just the consumer basket, so it is the correct deflator for output.

Why does per capita growth matter more?

Because an economy growing at 3% with 2% population growth is barely improving average incomes.

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