Evaluation Task Force
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Major shift in government evaluation as Magenta Book is updated
The Evaluation Task Force has released the 2026 update to the Magenta Book, the government’s central guidance on evaluation. As the most significant revision in government evaluation standards since 2020, it marks a major milestone for evidence-based policymaking.
Corporate report
Evaluation Academy - Final Evaluation Report
The Evaluation Task Force has published their evaluation of the July 2025 Evaluation Academy training programme.
News story
The Evaluation Registry: a new home for Government evaluation
In March this year, the Evaluation Task Force launched the Evaluation Registry: a website which will act as a single home for evaluations across Government.Â
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New Guidance for Evaluating the Impact of AI Tools
The Evaluation Task Force have recently published a new annex to the Magenta Book which covers best practice for impact evaluation of AI tools and technologies.
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