# Latest **URL:** https://community.worldpop.org/latest.md [Latest](https://community.worldpop.org/latest.md) · [Categories](https://community.worldpop.org/categories.md) · [Tags](https://community.worldpop.org/tags.md) --- ## [Welcome to the WorldPop Community! 👋](https://community.worldpop.org/t/welcome-to-the-worldpop-community/5)
**Author:** [@system](https://community.worldpop.org/u/system)\ **Replies:** 0\ **Last updated:** [February 12, 2026, 6:04pm UTC](https://community.worldpop.org/t/welcome-to-the-worldpop-community/5 "2026-02-12T18:04:55Z")
We are so glad you’re here! WorldPop Community WorldPop Community is a space for users, researchers, and partners of WorldPop’s open population data to ask questions, share use cases, get technical support, and connect… --- ## [Counting Everyone: How Geospatial Innovation Could Transform Africa’s 2030](https://community.worldpop.org/t/counting-everyone-how-geospatial-innovation-could-transform-africa-s-2030/154)
**Author:** [@Tim\_WorldPop](https://community.worldpop.org/u/Tim_WorldPop)\ **Replies:** 0\ **Last updated:** [November 3, 2026, 1:53pm UTC](https://community.worldpop.org/t/counting-everyone-how-geospatial-innovation-could-transform-africa-s-2030/154 "2026-11-03T13:53:03Z")
Dr Sarchil Qader shows how open-source geospatial tools, population modelling and AI could help African statistical offices ensure that even the hardest-to-reach communities are represented in the 2030 census round. Wha… --- ## [UN Statistical Commission: Africa](https://community.worldpop.org/t/un-statistical-commission-africa/152)
**Author:** [@iancoady\_worldpop](https://community.worldpop.org/u/iancoady_worldpop)\ **Replies:** 0\ **Last updated:** [November 3, 2026, 8:41am UTC](https://community.worldpop.org/t/un-statistical-commission-africa/152 "2026-11-03T08:41:40Z")
Two weeks ago, my colleague Tuli and I travelled to the UN Statistical Commission for Africa to hear first-hand about the challenges facing national statistical offices, the organisations responsible for each country’… --- ## [New here? You can request to join this group…](https://community.worldpop.org/t/new-here-you-can-request-to-join-this-group/100)
**Author:** [@Graeme\_worldpop](https://community.worldpop.org/u/Graeme_worldpop)\ **Replies:** 0\ **Last updated:** [October 9, 2026, 1:59pm UTC](https://community.worldpop.org/t/new-here-you-can-request-to-join-this-group/100 "2026-10-09T13:59:31Z")
Follow the link to join the Mapping Displaced Peoples group: Request to join --- ## [🌍 Counting Everyone: The Future of Africa's Census Is Geospatial](https://community.worldpop.org/t/counting-everyone-the-future-of-africas-census-is-geospatial/99)
**Author:** [@Tim\_WorldPop](https://community.worldpop.org/u/Tim_WorldPop)\ **Replies:** 0\ **Last updated:** [October 8, 2026, 11:01am UTC](https://community.worldpop.org/t/counting-everyone-the-future-of-africas-census-is-geospatial/99 "2026-10-08T11:01:35Z")
Africa’s 2030 census round is coming, and it’s a once-in-a-generation chance to get it right — for the first time, we have the geospatial tools to count everyone, not just the easy-to-reach. We’ve just published a great… --- ## [AI and censuses](https://community.worldpop.org/t/ai-and-censuses/98)
**Author:** [@wp\_newbie](https://community.worldpop.org/u/wp_newbie)\ **Replies:** 1\ **Last updated:** [October 8, 2026, 10:54am UTC](https://community.worldpop.org/t/ai-and-censuses/98 "2026-10-08T10:54:00Z")
How can AI improve future censuses? --- ## [WorldPop's modelling vs Meta's](https://community.worldpop.org/t/worldpops-modelling-vs-metas/97)
**Author:** [@wp\_newbie](https://community.worldpop.org/u/wp_newbie)\ **Replies:** 1\ **Last updated:** [October 8, 2026, 10:52am UTC](https://community.worldpop.org/t/worldpops-modelling-vs-metas/97 "2026-10-08T10:52:46Z")
How does WorldPop’s modelling differ from Meta’s population datasets? --- ## [WorldPop Pre-EA tool](https://community.worldpop.org/t/worldpop-pre-ea-tool/96)
**Author:** [@wp\_newbie](https://community.worldpop.org/u/wp_newbie)\ **Replies:** 1\ **Last updated:** [October 8, 2026, 10:49am UTC](https://community.worldpop.org/t/worldpop-pre-ea-tool/96 "2026-10-08T10:49:58Z")
How does the WorldPop Pre-EA tool differ from other GIS solutions? --- ## [Constrained vs unconstrained layers give different national totals](https://community.worldpop.org/t/constrained-vs-unconstrained-layers-give-different-national-totals/65)
**Author:** [@Graeme\_test](https://community.worldpop.org/u/Graeme_test)\ **Replies:** 2\ **Last updated:** [October 7, 2026, 10:30am UTC](https://community.worldpop.org/t/constrained-vs-unconstrained-layers-give-different-national-totals/65 "2026-10-07T10:30:26Z")
I’m getting different national totals from the “constrained” and “unconstrained” population layers for the same country and year. Which one should I be using, and why do they disagree in the first place? --- ## [CRS mismatch when overlaying WorldPop raster with admin boundaries](https://community.worldpop.org/t/crs-mismatch-when-overlaying-worldpop-raster-with-admin-boundaries/62)
**Author:** [@Graeme\_test](https://community.worldpop.org/u/Graeme_test)\ **Replies:** 2\ **Last updated:** [October 7, 2026, 10:22am UTC](https://community.worldpop.org/t/crs-mismatch-when-overlaying-worldpop-raster-with-admin-boundaries/62 "2026-10-07T10:22:56Z")
Hey WorldPop! I downloaded the 2020 population count raster for Kenya and my admin boundary shapefile from GADM, but when I load them in QGIS the raster doesn’t line up with the boundaries at all — it’s offset by what l… --- ## [WorldPop in Infra Finder](https://community.worldpop.org/t/worldpop-in-infra-finder/89)
**Author:** [@andy\_worldpop](https://community.worldpop.org/u/andy_worldpop)\ **Replies:** 0\ **Last updated:** [October 2, 2026, 7:25am UTC](https://community.worldpop.org/t/worldpop-in-infra-finder/89 "2026-10-02T07:25:03Z")
WorldPop is now listed in Infra Finder: WorldPop Data | Infra Finder --- ## [Beta launch of the WorldPop Community](https://community.worldpop.org/t/beta-launch-of-the-worldpop-community/84)
**Author:** [@Graeme\_worldpop](https://community.worldpop.org/u/Graeme_worldpop)\ **Replies:** 0\ **Last updated:** [September 27, 2026, 8:35pm UTC](https://community.worldpop.org/t/beta-launch-of-the-worldpop-community/84 "2026-09-27T20:35:45Z")
We’re excited to launch the WorldPop Community of Practice, in beta! Sign up and join us — expect some changes as we continue to develop the platform. To get going quickly Start Here. --- ## [Video: How WorldPop Maps Population Across the Globe](https://community.worldpop.org/t/video-how-worldpop-maps-population-across-the-globe/82)
**Author:** [@Tim\_WorldPop](https://community.worldpop.org/u/Tim_WorldPop)\ **Replies:** 0\ **Last updated:** [September 23, 2026, 11:28am UTC](https://community.worldpop.org/t/video-how-worldpop-maps-population-across-the-globe/82 "2026-09-23T11:28:05Z")
:round\_pushpin: From census counts to 100×100m population maps. :laptop:See how WorldPop brings together satellite imagery, geospatial data and machine learning to help make everyone, everywhere count - ht… --- ## [📢 You told us what you need. We're acting on it.](https://community.worldpop.org/t/you-told-us-what-you-need-were-acting-on-it/80)
**Author:** [@Tim\_WorldPop](https://community.worldpop.org/u/Tim_WorldPop)\ **Replies:** 0\ **Last updated:** [September 22, 2026, 2:25pm UTC](https://community.worldpop.org/t/you-told-us-what-you-need-were-acting-on-it/80 "2026-09-22T14:25:19Z")
More than 420 WorldPop users shared how they use our population data and what they’d like to see next. The message was clear: :white\_check\_mark: Easier data discovery :white\_check\_mark: Better documentation and meta… --- ## [WorldPop Newsletter - Sept 2026](https://community.worldpop.org/t/worldpop-newsletter-sept-2026/79)
**Author:** [@Tim\_WorldPop](https://community.worldpop.org/u/Tim_WorldPop)\ **Replies:** 0\ **Last updated:** [September 22, 2026, 12:50pm UTC](https://community.worldpop.org/t/worldpop-newsletter-sept-2026/79 "2026-09-22T12:50:20Z")
Read our latest newsletter: WorldPop Newsletter: September 2026 Our September newsletter explores our new AI-powered Demographic Portal, the latest Global 2 data available through ArcGIS Living Atlas, new projects in … --- ## [Open Data Aiding Relief Efforts in Nepal and Tibet](https://community.worldpop.org/t/open-data-aiding-relief-efforts-in-nepal-and-tibet/70)
**Author:** [@iancoady\_worldpop](https://community.worldpop.org/u/iancoady_worldpop)\ **Replies:** 0\ **Last updated:** [September 15, 2026, 1:23pm UTC](https://community.worldpop.org/t/open-data-aiding-relief-efforts-in-nepal-and-tibet/70 "2026-09-15T13:23:25Z")
Following recent devastating mudflows in Nepal’s Rasuwa District, WorldPop’s open spatial demographic data has been critical in rapidly assessing the human impact of the disaster. By combining satellite imagery of the 2… --- ## [Zonal statistics giving unexpected population totals](https://community.worldpop.org/t/zonal-statistics-giving-unexpected-population-totals/64)
**Author:** [@Graeme\_test](https://community.worldpop.org/u/Graeme_test)\ **Replies:** 0\ **Last updated:** [September 2, 2026, 2:29pm UTC](https://community.worldpop.org/t/zonal-statistics-giving-unexpected-population-totals/64 "2026-09-02T14:29:04Z")
I ran zonal statistics in QGIS to get population totals per district, but my numbers are way higher than official census figures for some districts and way lower for others. Is the dataset wrong, or am I doing something … --- ## [Random forest model R² looks "too good to be true"](https://community.worldpop.org/t/random-forest-model-r-looks-too-good-to-be-true/61)
**Author:** [@Graeme\_test](https://community.worldpop.org/u/Graeme_test)\ **Replies:** 0\ **Last updated:** [September 2, 2026, 1:13pm UTC](https://community.worldpop.org/t/random-forest-model-r-looks-too-good-to-be-true/61 "2026-09-02T13:13:45Z")
Hi WorldPop, I’m building a random forest model for dasymetric redistribution similar to WorldPop’s approach, and I’m getting an R² of 0.97 on my validation. That seems suspiciously high. Am I doing something wrong, or … --- ## [Blog on global subnational demographics](https://community.worldpop.org/t/blog-on-global-subnational-demographics/57)
**Author:** [@andy\_worldpop](https://community.worldpop.org/u/andy_worldpop)\ **Replies:** 0\ **Last updated:** [August 13, 2026, 12:17pm UTC](https://community.worldpop.org/t/blog-on-global-subnational-demographics/57 "2026-08-13T12:17:18Z")
Here’s a blog I recently wrote on global subnational demographics using Global2 data: The World Isn't Aging Evenly. How National Averages Are Hiding the Story. - WorldPop --- ## [WorldPop joined international experts in Amman, Jordan, to help develop the roadmap for the 2027 Palestine Population and Housing Census](https://community.worldpop.org/t/worldpop-joined-international-experts-in-amman-jordan-to-help-develop-the-roadmap-for-the-2027-palestine-population-and-housing-census/56)
**Author:** [@iancoady\_worldpop](https://community.worldpop.org/u/iancoady_worldpop)\ **Replies:** 0\ **Last updated:** [August 13, 2026, 10:01am UTC](https://community.worldpop.org/t/worldpop-joined-international-experts-in-amman-jordan-to-help-develop-the-roadmap-for-the-2027-palestine-population-and-housing-census/56 "2026-08-13T10:01:51Z")
WorldPop joined international experts in Amman, Jordan, to help develop the roadmap for the 2027 Palestine Population and Housing Census. :backhand\_index\_pointing\_right:WorldPop Joins Technical Experts to Shape 2027 Pal… --- ## [How can better data improve humanitarian response](https://community.worldpop.org/t/how-can-better-data-improve-humanitarian-response/55)
**Author:** [@iancoady\_worldpop](https://community.worldpop.org/u/iancoady_worldpop)\ **Replies:** 0\ **Last updated:** [August 13, 2026, 9:59am UTC](https://community.worldpop.org/t/how-can-better-data-improve-humanitarian-response/55 "2026-08-13T09:59:11Z")
How can better data improve humanitarian response? We have recently released a high-resolution displacement dataset for Nigeria and the Democratic Republic of the Congo (DRC) that harmonises fragmented records into a … --- ## [Experts call for human-in-the-loop AI to safeguard global food security](https://community.worldpop.org/t/experts-call-for-human-in-the-loop-ai-to-safeguard-global-food-security/54)
**Author:** [@iancoady\_worldpop](https://community.worldpop.org/u/iancoady_worldpop)\ **Replies:** 0\ **Last updated:** [August 13, 2026, 9:53am UTC](https://community.worldpop.org/t/experts-call-for-human-in-the-loop-ai-to-safeguard-global-food-security/54 "2026-08-13T09:53:40Z")
Can AI help us predict hunger more effectively? Yes. Should it replace human experts? No. :backhand\_index\_pointing\_right: Experts call for "human-in-the-loop" AI to safeguard global food security - WorldPop AI and mach… --- ## [UNICEF Children's Climate Risk Report based on WorldPop U18 data](https://community.worldpop.org/t/unicef-childrens-climate-risk-report-based-on-worldpop-u18-data/52)
**Author:** [@andy\_worldpop](https://community.worldpop.org/u/andy_worldpop)\ **Replies:** 0\ **Last updated:** [July 27, 2026, 3:05pm UTC](https://community.worldpop.org/t/unicef-childrens-climate-risk-report-based-on-worldpop-u18-data/52 "2026-07-27T15:05:49Z")
--- ## [FuturePop Video](https://community.worldpop.org/t/futurepop-video/44)
**Author:** [@iancoady\_worldpop](https://community.worldpop.org/u/iancoady_worldpop)\ **Replies:** 0\ **Last updated:** [July 23, 2026, 2:35pm UTC](https://community.worldpop.org/t/futurepop-video/44 "2026-07-23T14:35:59Z")
--- ## [WorldPop's Global Impact](https://community.worldpop.org/t/worldpops-global-impact/43)
**Author:** [@Aubrey\_test](https://community.worldpop.org/u/Aubrey_test)\ **Replies:** 0\ **Last updated:** [July 23, 2026, 2:30pm UTC](https://community.worldpop.org/t/worldpops-global-impact/43 "2026-07-23T14:30:10Z")
--- ## [Join the discussion on WorldPop approaches to mapping displaced peoples](https://community.worldpop.org/t/join-the-discussion-on-worldpop-approaches-to-mapping-displaced-peoples/40)
**Author:** [@Graeme\_worldpop](https://community.worldpop.org/u/Graeme_worldpop)\ **Replies:** 0\ **Last updated:** [July 23, 2026, 1:44pm UTC](https://community.worldpop.org/t/join-the-discussion-on-worldpop-approaches-to-mapping-displaced-peoples/40 "2026-07-23T13:44:48Z")
This category is currently hidden whilst we determine if this should be a closed group based on the recent displaced peoples workshops --- ## [WorldPop at the British Science Festival, 16 Sept 2026](https://community.worldpop.org/t/worldpop-at-the-british-science-festival-16-sept-2026/35)
**Author:** [@Aubrey\_test](https://community.worldpop.org/u/Aubrey_test)\ **Replies:** 0\ **Last updated:** [July 23, 2026, 12:43pm UTC](https://community.worldpop.org/t/worldpop-at-the-british-science-festival-16-sept-2026/35 "2026-07-23T12:43:41Z")
WorldPop will have a booth at the British Science Festival! The British Science festival is ‘Europe’s longest standing science Festival, travelling to a different place in the United Kingdom each annually…Each year we br… --- ## [Choosing the right WorldPop data for you](https://community.worldpop.org/t/choosing-the-right-worldpop-data-for-you/27)
**Author:** [@Graeme\_worldpop](https://community.worldpop.org/u/Graeme_worldpop)\ **Replies:** 0\ **Last updated:** [July 14, 2026, 11:11pm UTC](https://community.worldpop.org/t/choosing-the-right-worldpop-data-for-you/27 "2026-07-14T23:11:00Z")
WorldPop produces several types of population datasets, and it’s not always obvious which one fits your needs. This post is a quick guide — for full technical detail, see the original guide on worldpop.org. The first qu… --- ## [WorldPop Global 2 Demographic Data Now in ArcGIS Living Atlas](https://community.worldpop.org/t/worldpop-global-2-demographic-data-now-in-arcgis-living-atlas/13)
**Author:** [@Graeme\_worldpop](https://community.worldpop.org/u/Graeme_worldpop)\ **Replies:** 0\ **Last updated:** [June 17, 2026, 9:45am UTC](https://community.worldpop.org/t/worldpop-global-2-demographic-data-now-in-arcgis-living-atlas/13 "2026-06-17T09:45:34Z")
WorldPop’s next-generation global population dataset, Global 2, is now available through ArcGIS Living Atlas, making high-resolution demographic data — covering 242 countries and territories from 2015 to 2030, broken …