Addressing Root Causes and Drivers of Irregular Migration: Evidence Gap Map 2025 Update

Evidence Gap Map Report 36, 2026

Sanghwa Lee, María Daniela Anda León, Pierre Marion, Zahra Premji, Shannon Shisler, Carolyn Huang, Anilkrishna B Thota

The authors of this EGM update report map the latest available evidence base and assess the quality of existing systematic reviews on the effectiveness of interventions addressing the root causes and drivers of irregular migration. It also identifies key evidence clusters and evidence gaps requiring further research. This work was funded by the Ministry of Foreign Affairs of the Kingdom of the Netherlands, through the Policy and Operations Evaluation Department (IOB). To know more, click here.

Mapping the evidence of climate change and biodiversity interventions on environmental and human outcomes in low- and middle-income countries

Evidence gap map 3ie 2024

The authors of this report present the findings of an evidence gap map that includes studies evaluating the effects of climate change and biodiversity interventions on environmental and human wellbeing outcomes.

Addressing Root Causes and Drivers of Irregular Migration: Evidence Gap Map 2025 Update

Evidence Gap Map Report 36, 2026

Mapping the evidence of climate change and biodiversity interventions on environmental and human outcomes in low- and middle-income countries

The evidence on food systems and nutrition: insights from a living evidence and gap map

Interventions to reduce anaemia in low- and middle-income countries: An evidence gap map

Promoting Sustainable Energy Development through Access, Renewables and Efficient Technologies: An Evidence Gap Map

Sexual and reproductive health and rights in low- and middle-income countries: An evidence gap map

Tools

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Addressing Root Causes and Drivers of Irregular Migration: Evidence Gap Map 2025 Update

Evidence Gap Map Report 36, 2026

Mapping the evidence of climate change and biodiversity interventions on environmental and human outcomes in low- and middle-income countries

The evidence on food systems and nutrition: insights from a living evidence and gap map

Interventions to reduce anaemia in low- and middle-income countries: An evidence gap map

Promoting Sustainable Energy Development through Access, Renewables and Efficient Technologies: An Evidence Gap Map

Sexual and reproductive health and rights in low- and middle-income countries: An evidence gap map

Tools