Find Evidence

What works in development programmes and why?

Find answers in 3ie's database of policy briefs, systematic reviews and impact evaluations.


3ie's briefs draw out the policy implications from the key findings of impact evaluations and systematic reviews.


Evidence Gap Maps

Evidence gap maps are an important tool for evidence-informed policies and strategic research prioritisation.


Impact Evaluations

3ie's impact evaluation database features over 2600 impact evaluations conducted in low- and middle-income countries.


Systematic Reviews

3ie's systematic review database is a one-stop shop for existing evidence on the impact of development interventions.


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