The World Bank's official estimates of the size of economies are based on GNI converted to current U.S. dollars using the World Bank Atlas method. The Atlas method smoothes exchange rate fluctuations by using a three year moving average, price-adjusted conversion factor. For more details, see the methodology.
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- How are aggregate growth rates computed for National Accounts series?
- How do you derive your constant price series for the national accounts?
- How can I rescale a series to a different base year?
- What is the DEC conversion factor?
- What is the World Bank Atlas method?
- The World Bank Atlas method - detailed methodology
- What methods are used to calculate aggregates for groups of countries?
- Is all the WDI data based on calendar year or fiscal year reporting period?
- What are your principles governing statistical data?
- Data Quality and Effectiveness
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