Bottom-up modelling

Photo of Somalia National Bureau of Statistics participants with workshop completion certificates, April 2026

Mapping Somalia’s Future: Inside WorldPop’s Data Workshop in Nairobi

Take Our Survey and Help Shape What Comes Next Researchers from WorldPop recently ran an intensive 10-day workshop in Nairobi, bringing together experts from the Somalia National Bureau of Statistics (SNBS) and the Somalia Country Office United Nations Population Fund. While the setting was Kenyan due to security concerns, the focus remained firmly on Somalia, […]

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Photo of man looking at map application on a computer screen

Start the New Year by Exploring WorldPop’s Free Learning Resources

As we set fresh goals for the new year – whether to learn something new, develop new skills, or make a bigger impact in our work or studies – WorldPop’s learning resources offer a rich and accessible way to grow your understanding of population data and geospatial analysis for global good. These free, expert-created materials

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Satellite view of Ekohok, Cameroon

Mapping the Invisible: How Technology Is Filling the World’s Population Data Gaps

How many people live in a neighbourhood, a village, or a city block? It sounds like a simple question, but for millions of people around the world, the answer is still unclear. Accurate, local population data is essential for everything from planning health services and responding to disasters to allocating resources fairly. Yet traditional national

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Slide: Demographic Data Challenges

Video: Understanding population distributions supports health programmes, census preparation and disaster response

Professor Andy Tatem recently spoke at a virtual event on Geospatial for sustainable agriculture and urban development in Africa organised by The Food and Agriculture Organization of the United Nations (FAO). In this recording of his presentation, Professor Tatem gives an overview of our work and shares examples of the impact of our collaborations with UN

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Edith Darin presenting at IBGE workshop 2022

Working with Brazil’s National Statistics Office as they prepare for their biggest ever census

As Brazil prepares for its biggest ever census, WorldPop Research Fellow Edith Darin presented on bottom-up population modelling last month as part of a two-week workshop at the Instituto Brasileiro de Geografia e Estatística (IBGE, the Brazilian Statistics Office) in Rio de Janeiro. Edith’s contribution came at an important milestone for the IBGE. In August

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