Tim O'Riordan, Author at WorldPop

Photo of a newborn boy in a maternity ward

Researchers Reveal 63 Million Women at Risk of Zero Maternal Health Services

Take Our Survey and Help Shape What Comes Next An international research team led by Dr Winfred Dotse-Gborgbortsi, Lecturer in Geographies of Health at University College London and Dr Kristine Nilsen, Associate Professor of Global Health & Social Statistics at the University of Southampton, and including investigators from WorldPop has produced the first high-resolution geospatial mapping of women completely disengaged from life-saving maternal and newborn health services across […]

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Photograph of the Leaghany River from Ballymongan Road, Tyrone

WorldPop researchers improve mapping accuracy for rare habitats

WorldPop News / Tim O'Riordan

Take Our Survey and Help Shape What Comes Next Researchers at WorldPop have pioneered a new mathematical model that significantly improves the accuracy of geospatial mapping for rare and endangered habitats. The study, published in the International Journal of Geographical Information Science, introduces the Entropogram-based Random Field (ERF) model. This tool addresses a critical gap in environmental monitoring: the

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Thank You, Olayinka Oke: Advancing Population Science Through Collaboration

WorldPop News / Tim O'Riordan

Take Our Survey and Help Shape What Comes Next It is always difficult to say goodbye to colleagues who have made a meaningful impact in a short time, and this is certainly the case as we bid farewell to Olayinka Oke following her secondment with us at WorldPop. Olayinka joined us from Nigeria’s National Population

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Graphic showing potential effect of sea level rise in Lagos, Nigeria

Mapping Human Impact: WorldPop Open Data Powering Global Journalism

WorldPop News / Tim O'Riordan

Take Our Survey and Help Shape What Comes Next At WorldPop, our mission is to ensure that every person is mapped and counted in decision making, providing the high-resolution open-access data necessary to tackle the world’s most pressing challenges. Increasingly, our datasets are becoming a cornerstone for data-driven journalism, helping newsrooms translate complex scientific projections into tangible human

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Black and white cartoon of a woman sneezing

Predicting the Next Wave: Mapping the “War” Between Viruses

WorldPop News / Tim O'Riordan

Take Our Survey and Help Shape What Comes Next In the wake of the COVID-19 pandemic, public health officials have worried about a “triple-demic”, a simultaneous surge of COVID-19, the flu, and respiratory syncytial virus (RSV – an infection that causes common cold-like symptoms). But what if these viruses don’t just spread alongside each other?

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Photo of Ian Coady addressing CARICOM workshop meeting, Barbados, March 2026

Strengthening population data for better decisions in the Caribbean

WorldPop News / Tim O'Riordan

Take Our Survey and Help Shape What Comes Next Last week, Deputy Director Ian Coady led a WorldPop expert team contributing to a regional workshop in Bridgetown, Barbados, focused on improving how population data are produced and used across the Caribbean. Delivered jointly with the United Nations Population Fund (UNFPA), the event formed part of

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Build a Population Map with LEGO at the Southampton Science & Engineering Festival

WorldPop News / Tim O'Riordan

Take Our Survey and Help Shape What Comes Next What can LEGO® bricks tell us about the world’s population? Quite a lot, it turns out. The Southampton Science & Engineering Festival (SOTSEF) is a free public event where scientists, engineers and researchers share fun, hands-on activities that show how science and technology shape our everyday

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Photo of Incorporating Digital Trace Data into Movement Estimates for Crisis Response panel at Humanitarian Networks and Partnerships Week 2026

Using Digital Trace Data to Understand Human Movement in Crises

WorldPop News / Tim O'Riordan

Take Our Survey and Help Shape What Comes Next At this year’s Humanitarian Networks and Partnerships Week in Geneva, a session explored how emerging digital data sources could help humanitarian organisations better understand how people move during crises. Representing WorldPop, Dr Sarchil Qader joined a panel examining how signals from mobile phones, online platforms, and other connected

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Photo of health worker preparing a vaccine injection for a waiting mother and child

New high-resolution mapping reveals critical measles vaccination gaps in children

WorldPop News / Tim O'Riordan

Take Our Survey and Help Shape What Comes Next A team of international researchers led by WorldPop Associate Professor Edson Utazi, has developed a new geospatial mapping method to identify exactly where and at what age children are missing life-saving measles vaccines. Accurate and contemporary data is essential for the success of immunisation programs in

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Mapping the Future: How WorldPop Global 2 is Revolutionizing Health Data in DHIS2

WorldPop News / Tim O'Riordan

Take Our Survey and Help Shape What Comes Next During today’s WorldPop Global 2 – Yearly High-Resolution Population Data in DHIS2 webinar, experts from DHIS2 and WorldPop unveiled how they are collaborating to assist researchers, NGOs and governments understand where people live and how to reach them with essential services. The incorporation of the new WorldPop Global 2 open dataset within the DHIS2 platform aims to aid the planning of education provision, vaccination programmes, disaster relief efforts, and

Mapping the Future: How WorldPop Global 2 is Revolutionizing Health Data in DHIS2 Read More »

Tim O'Riordan

Researchers Reveal 63 Million Women at Risk of Zero Maternal Health Services

WorldPop researchers improve mapping accuracy for rare habitats

Thank You, Olayinka Oke: Advancing Population Science Through Collaboration

Mapping Human Impact: WorldPop Open Data Powering Global Journalism

Predicting the Next Wave: Mapping the “War” Between Viruses

Strengthening population data for better decisions in the Caribbean

Build a Population Map with LEGO at the Southampton Science & Engineering Festival

Using Digital Trace Data to Understand Human Movement in Crises

New high-resolution mapping reveals critical measles vaccination gaps in children

Mapping the Future: How WorldPop Global 2 is Revolutionizing Health Data in DHIS2

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