World Bank ID4D Practitioner's Guide
The ID4D Practitioner's Guide is the World Bank's reference for designing and implementing inclusive, trusted digital identification systems, organised around the Principles on Identification for Sustainable Development. It covers system design, technology choices, procurement and governance, and is a core reference for identity as digital public infrastructure. The ID4D initiative focuses heavily on low- and middle-income countries, with much of its flagship work in Africa.
- Category
- Research
- Pricing
- Free / open
- Country
- 馃實 Pan-African
- Last verified
- 5 Jul 2026
Tags
Compare World Bank ID4D Practitioner's Guide
Side-by-side, verified specs against its closest reference architecture alternatives.
Related in Research
Level One Project Guide (Gates Foundation)
The Level One Project Guide is the Gates Foundation reference model for inclusive instant payment systems and pro-poor digital financial services. It sets out principles and a reference architecture for real-time retail payments that connect banks and non-bank providers through a shared national switch, and it informed the design of Mojaloop. The current guide edition was published in 2025.
MOSIP (Modular Open Source Identity Platform) Specifications
MOSIP is a modular open-source foundational digital identity platform that governments use to build national ID systems while retaining ownership and avoiding vendor lock-in. Its specifications build on open standards including OAuth 2.0 and OpenID Connect, OpenAPI, ISO/IEC 19794 biometrics and CBEFF, and add the Claim 169 QR specification for offline identity verification. It is used by multiple African governments as the basis of their foundational digital ID programmes.