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).