WDI Technical and Release Notes

Release notes

These release notes contain the latest list of additions, deletions, and changes in codes, descriptions, methodologies, definitions, sources, and topics. Please click here for a shorter verion of release notes prior to December, 2024.

Year Month(s)
2025 April (Quarterly Update)
2025 January
2024 December (Quarterly Update)
Technical notes

Choosing World Development Indicators: A Guide to Indicator Selection

  • Welch, Matthew; Stacy, Brian; Wadhwa, Divyanshi; Serajuddin, Umar; Benschop, Thijs; Lee, Sinae; Maeda, Hiroko; Pirlea, Ana Florina. Choosing World Development Indicators: A Guide to Indicator Selection (English). Technical Note, Washington, D.C.: World Bank Group, 2024.

Population Estimates and Projections for the World Bank: Technical Note

  • Suzuki, Emi; Serajuddin, Umar; Mahler,Daniel Gerszon. Population Estimates and Projections for the World Bank (English). Technical Note, Washington, D.C.: World Bank Group, 2024.

When Is There Enough Data to Create a Global Statistic? (English)

  • Mahler,Daniel Gerszon; Serajuddin,Umar; Maeda,Hiroko.When Is There Enough Data to Create a Global Statistic? (English). Policy Research working paper ; no. WPS 10034 Washington, D.C. : World Bank Group, 2022.

The World Bank's classification of countries by income (English)

  • Fantom,Neil James; Serajuddin,Umar.The World Bank's classification of countries by income (English). Policy Research working paper,no. WPS 7528 Washington, D.C. : World Bank Group, 2016.

When Is There Enough Data to Create a Global Statistic? (English)

  • Mahler,Daniel Gerszon; Serajuddin,Umar; Maeda,Hiroko.When Is There Enough Data to Create a Global Statistic? (English). Policy Research working paper ; no. WPS 10034 Washington, D.C. : World Bank Group, 2022.

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