World Humanitarian Data and Trends (WHDT) 2018 highlights major trends in the nature of humanitarian crises, their causes and drivers. This year’s report includes case studies on the evolution of protracted crises, attacks on health care, attacks on education, water and conflict, and strengthening local action through country-based pooled funds. Highlights -- The year in review - 2017 -- Regional perspectives -- Trends, challenges and opportunities -- User's guide.