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Reporting of Quarterly Real GDP Growth Rates

14 October 2020

There are three ways to calculate quarterly real GDP growth rates:

  1. Year-on-year (yoy) growth rate – this measures the percentage change in real GDP from the corresponding quarter in the previous year

  2. Quarter-on-quarter seasonally-adjusted (qoq sa) growth rate – this measures the percentage change in real GDP from the preceding quarter, and is calculated from seasonally adjusted real GDP data

  3. Quarter-on-quarter seasonally-adjusted annualised (qoq saa) growth rate – this extrapolates the qoq sa growth rate in a quarter over the next three quarters to obtain the change in real GDP over a one-year period to facilitate comparisons with annual or yoy growth rates

Please download the Explanatory Note [PDF, 92 KB] for the full article.

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