WorldPop

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You told us what you need. We’re acting on it.

More than 420 people from around the world have helped shape the future of WorldPop.  Researchers, government analysts, public health specialists, humanitarian practitioners and technical experts responded to our recent user requirements survey, sharing how they use WorldPop data, what works well and where they see opportunities for improvement.  What they told us was both […]

You told us what you need. We’re acting on it. Read More »

Photo of Dr Jessica Espey with Emily Cole at the QRMG Annual Lecture, 2026.

From local knowledge to global decisions: advancing inclusive data science

How do we make sure data reflects the people and places it is meant to represent? And how can cities make better decisions in an increasingly complex world? These were some of the questions explored by Dr Jessica Espey, Deputy Director (Research) at WorldPop, during recent engagements at the Royal Geographical Society Annual Conference in

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Graphic showing components of the bottom–up approach to small area population estimation.

New Ways to Count Populations When the Census Falls Short

Reliable population data is one of the foundations of effective decision-making. Governments use it to plan schools, hospitals and infrastructure. Humanitarian agencies rely on it to deliver aid. Health organisations need it to estimate how many vaccines, medicines and health workers are required in different communities. Yet for many countries, obtaining accurate and up-to-date population

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Regional map of West and Central Africa showing results from the Reach the Unreached project

Despite Progress Nearly 1 Million Children in West Africa Still Miss Out on Life-Saving Vaccines 

By Attila N Lazar and Tim O’Riordan While global immunisation efforts have seen significant progress, our new high-resolution, digital population and vaccination coverage maps produced for the UNICEF-funded Reach the Unreached project indicate that nearly one million children in five West and Central African countries remain unreached by vaccination services. Despite increased access in many

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New Method Developed for High-Resolution Mapping of Refugee Populations

A new study published in the Journal of International Humanitarian Action demonstrates how combining humanitarian registration data with satellite imagery and population maps can produce detailed, high-resolution maps of refugee populations – providing crucial information for humanitarian response and resource allocation. The research, led by WorldPop researchers in collaboration with UNHCR, developed and tested a

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New Research Maps Vaccination Coverage Gaps in Nigeria to Support Measles Control Efforts

A new study led by WorldPop researchers has produced detailed maps showing where children missed out on measles vaccination during Nigeria’s 2021 vaccination campaign, providing crucial insights to help health officials reach underserved communities. The research, published in the journal Vaccines, analyzed data from 13 Nigerian states to identify areas where children remained unvaccinated both

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New Tool Maps Progress in Child and Maternal Health Across Low- and Middle-Income Countries

WorldPop has launched an interactive web application that enables users to explore and visualize child and maternal health indicators at subnational levels across selected low- and middle-income countries (LMICs). The CMH Progress Map provides detailed geographic insights into key health metrics, socio-economic factors, and progress toward Sustainable Development Goals (SDGs). The tool presents multiple indicators

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New Study Reviews How Human Mobility Data Shaped Our Understanding of COVID-19 Transmission

A systematic review led by researchers from Johns Hopkins University, in collaboration with WorldPop at the University of Southampton and other institutions, has examined how human mobility data was used to understand SARS-CoV-2 transmission during the early stages of the COVID-19 pandemic. The study, published in Nature Communications, analyzed over 230 research papers to assess

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Capacity strengthening workshop supporting INEC Panama’s and DANE Colombia’s socio-economic surveys.

After a productive one-week workshop in Panama where multiple national statical offices (NSOs) and UN agencies from different countries in Latin America and the Caribbean region participated (read more here), Dr Sarchil Qader continued his journey in the region to lead various engagements, discussions and training with NSOs.  Panama is planning to conduct various socioeconomic

Capacity strengthening workshop supporting INEC Panama’s and DANE Colombia’s socio-economic surveys. Read More »