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Modelled Population Estimates

Our director, Professor Andy Tatem, discusses the demographic data challenges we face in our work with countries and how we overcome them - focusing especially on our work with GRID3, the UNFPA and the Countdown to 2030 programme. Andy explains different approaches to producing population estimates - both bottom up and top down - as well as Baysian modelling. Chapters: 0:00 Introduction 0:24 Demographic data challenges 1:43 Types of geospatial data 3:10 Mapping correlates of demographic variations 4:55 Population distribution modelling 5:58 Modelling approaches: Top down and bottom up 7:43 Top down modelling 10:18 Collaborations using top down approach (Sierra Leone, Ukraine, Brazil, and LACRO region) 11:17 Open tutorials and code on top down appraoch 11:34 Bottom up approach 14:28 Collaborations using bottom up approach (Afghanistan, Burkino Faso, Colombia, Zambia, Nigeria, and DR Congo) 17:52 WorldPop Open Population Repository (WOPR) and training 18:32 Summary This is an edited extract from a longer webinar recorded on 4 May 2022 as part of our joint webinar with the UNFPA: 'Modelling Population Estimates' that included contributions from partners in Columbia (DANE), Mali (INSTAT) and Burkina Faso (INSD).