Patrick Gerland
@pgerland.bsky.social
Focus on demographic estimation problems/methods and projections, especially in Africa and Asia. https://www.researchgate.net/profile/Patrick_Gerland/
Explore detailed methods, and additional geospatial data, & interactive visualizations on the European Commission’s website. human-settlement.emergency.copernicus.eu/ghs_wup2025....
Global Human Settlement - Population in cities, towns and rural areas from 1950 to 2100 - European Commission
The GHSL framework produces thematic information and evidence-based knowledge supporting the implementation of EU urban policy and the international frameworks.
human-settlement.emergency.copernicus.eu
November 18, 2025 at 6:02 PM
Explore detailed methods, and additional geospatial data, & interactive visualizations on the European Commission’s website. human-settlement.emergency.copernicus.eu/ghs_wup2025....
Thanks to all the team involved, but especially the collaboration with the European Commission’s Joint Research Centre and DG for Regional and Urban Policy which has been key in creating the global Degree of Urbanization dataset.
Global Human Settlement - Population in cities, towns and rural areas from 1950 to 2100 - European Commission
The GHSL framework produces thematic information and evidence-based knowledge supporting the implementation of EU urban policy and the international frameworks.
human-settlement.emergency.copernicus.eu
November 18, 2025 at 6:01 PM
Thanks to all the team involved, but especially the collaboration with the European Commission’s Joint Research Centre and DG for Regional and Urban Policy which has been key in creating the global Degree of Urbanization dataset.
For further details about teh UN projection assumptions and methods, see: population.un.org/wpp/methodol..., in particular: World Population Prospects 2024: Methodology of the United Nations Population Estimates and Projections. population.un.org/wpp/assets/F...
World Population Prospects
population.un.org
May 24, 2025 at 4:30 PM
For further details about teh UN projection assumptions and methods, see: population.un.org/wpp/methodol..., in particular: World Population Prospects 2024: Methodology of the United Nations Population Estimates and Projections. population.un.org/wpp/assets/F...
See also online data sources for each country underlying empirical data: population.un.org/wpp/data-sou... including interactive plots: population.un.org/dataportal/d...
World Population Prospects
population.un.org
May 24, 2025 at 4:28 PM
See also online data sources for each country underlying empirical data: population.un.org/wpp/data-sou... including interactive plots: population.un.org/dataportal/d...
If you have any additional ideas about what the UN should do about this statistical modelling challenge, all ideas are welcome to explore for future potential improvements, and out-of-sample validation at national and subnational level.
May 24, 2025 at 4:26 PM
If you have any additional ideas about what the UN should do about this statistical modelling challenge, all ideas are welcome to explore for future potential improvements, and out-of-sample validation at national and subnational level.