Knowledge Base

  1. Country Classification 

    1. How does the World Bank classify countries by geographic regions?
    2. How does the World Bank classify countries by income?
    3. Where are your data on Taiwan?
  2. Currencies 

    1. What are the conversion rates from European Monetary Union (EMU) currencies to Euros?
    2. What is an “international dollar”?
    3. What is the difference between current and constant data?
    4. What is your constant U.S. dollar methodology?
  3. Data Compilation Methodology 

    1. How are aggregate growth rates computed for National Accounts series?
    2. How do you derive your constant price series for the national accounts?
    3. How can I rescale a series to a different base year?
    4. What is the DEC conversion factor?
    5. What is the World Bank Atlas method?
  4. Data Not Available 

    1. Why are some data not available?
    2. Do you have global income distribution data?
    3. Do you have any data on wealth?
    4. Do you have data for informal sectors?
    5. Why is there no poverty data for every country every year?
  5. Data Updates 

    1. Do you have more recent data than I currently find on your website?
    2. Do you have quarterly, monthly or higher frequency data?
  6. DataBank 

    1. How do I start in DataBank?
    2. How do I select countries in DataBank?
    3. How do I view country and Indicator notes/metadata in DataBank?
    4. How do I select indicators in DataBank?
    5. How do I edit the list of Countries, Indicators and Years I have selected in DataBank?
  7. Finance/Lending 

    1. Do you have data on World Bank interest rates by country?
  8. Foreign Direct Investment (FDI) 

    1. What is the difference between Foreign Direct Investment (FDI) net inflows and net outflows?
    2. Is foreign direct investment (FDI) included in gross fixed capital formation?
  9. Gross Domestic Product (GDP)/Gross National Income (GNI) 

    1. Do you have Gross Domestic Product (GDP) and Gross National Income (GNI) forecasts?
    2. How do you calculate total value added as a percentage of gross domestic product?
    3. Why can’t I find estimates of Gross National Product (GNP)?
  10. International Comparison Program (ICP) 

    1. Why are some series shown in Purchasing Power Parity (PPP) terms?
    2. What is the difference between purchaser prices, producer prices (VAP), and basic prices (VAB)?
  11. Microdata 

    1. What do we mean by microdata?
    2. How can I contribute to improving the Microdata Library?
    3. I need a dataset which is not listed in your microdata catalog, but which has been used in World Bank publications. Can you help me obtain these data?
    4. What are the research outputs associated with a dataset in your Library? Do you have a bibliography of data-related citations?
    5. Can you help with analyzing microdata?
  12. Other 

    1. How does the World Bank code its indicators?
    2. How can I keep up to date with updates, additions, and revisions?
    3. What are emerging markets?
  13. Poverty Data 

    1. There are multiple international poverty lines. Which one should I use?
    2. Should I use national or international poverty lines?
    3. How different are national poverty lines from the $1.25 a day poverty line (in 2005 PPP)?
  14. Private Sector (IFC) 

    1. Where can I find data on the private sector and privatization?
  15. Quarterly External Debt Statistics (QEDS) 

    1. Do you have quarterly external debt data?
    2. How often is the Quarterly External Debt Data Updated?
    3. Which countries have reported data to Quarterly External Debt Statistics (GDDS) ?
    4. Which countries subscribe to Quarterly External Debt Statistics (QEDS) SDDS?
    5. Which countries subscribe to Quarterly External Debt Statistics (QEDS) GDDS?
  16. Quarterly Public Sector Debt 

    1. Which countries have reported data to Quarterly Public Sector Debt database?
    2. How often is the Quarterly Public Sector Debt data updated?
  17. Request for Data 

    1. Do you have data on the smaller economies?
  18. World Development Indicators (WDI) 

    1. How do I access World Development Indicators (WDI) online tables?
    2. Do you have data on population projections?
    3. Where can I find data on literacy rates for high-income countries?
    4. How can gross school enrollment ratios be over 100 percent?
    5. How do you define remittances?
  19. World Development Report (WDR) 

    1. Where can I find the data annex tables of the World Development Report?
  20. All articles 

    1. Can I be automatically notified of changes or additions to the Microdata Library catalog?
    2. Can I get help in implementing a microdata catalog in my agency?
    3. Can you help with analyzing microdata?
    4. Do I need any special expertise or tools to analyze the data in the Microdata Library?
    5. Do you have any data on wealth?

Thank you for visiting the World Bank's Data Help Desk. Please review the terms of use for this website. Your continued use of this website constitutes your acceptance of these terms and conditions.

Developer Info

Feedback and Knowledge Base