Methods

Photo of Child fetching water in northwest Somalia

WorldPop Open Data Helps UNICEF Pinpoint Children’s Climate Vulnerability

Take Our Survey and Help Shape What Comes Next UNICEF is launching the Global Child Hazard Database (GCHD) at London Climate Action Week later this month. The GCHD initiative provides globally standardised datasets on children’s exposure to overlapping climate and environmental risks. The project aims to provide timely and accurate data to support informed decision-making and policy advocacy for the world’s youth.  Central to this […]

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Graphic showing geographic distribution of median area sizes of subnational units in the input population data for the Global Subnational Demographic Dataset 2010–2030

Mapping a World in Transition: New Study Lays Foundation for WorldPop Global 2 Population Data 

Take Our Survey and Help Shape What Comes Next WorldPop researchers at the University of Southampton have published the methodology behind the massive subnational dataset used to power Global 2 – our latest high-resolution mapping of the human population.  The new article, published as a preprint in VeriXiv, details how the team harmonised and projected population data for more than 716,000 subnational administrative units across

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Photo of Dr Chris Nnanatu presenting at the High Level Engagement meeting.

Mapping Nigeria’s Future: The Road to a Smart National Census

Take Our Survey and Help Shape What Comes Next An important leap toward a modern and credible national census took place recently in Abuja, Nigeria. On April 30, 2026, the Federal Government officially launched an 18-month initiative to consolidate and modernise Nigeria’s national geospatial database. This high-level event brought together key leaders from the National

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DHIS2 webinar screen capture

New webinar showcases how geospatial data reaches zero-dose children in remote regions

Take Our Survey and Help Shape What Comes Next Last week, the DHIS2 community broadcast a significant webinar detailing how high-resolution WorldPop population data has been integrated into the DHIS2 platform. This digital integration is transforming how life-saving vaccines are delivered in low- and middle-income countries. With WorldPop’s 100m population grid cells now integrated in

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Photo of Minawao refugee camp, Cameroon

New geospatial method transforms how refugee populations are counted and surveyed 

Take Our Survey and Help Shape What Comes Next WorldPop researchers have developed a faster, more accurate way to build national survey frameworks that better represent displaced populations, which is addressing a long-standing gap in humanitarian data. The study introduces a geospatial approach that enables governments and international organisations to identify and include refugees in

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