Annual Gridded Population Datasets Now Available through Esri’s ArcGIS Living Atlas of the World
REDLANDS, Calif.–Sunday 19 December 2021 [ AETOS Wire ]
(BUSINESS WIRE)– The global population grew by almost two billion people during the last 20 years—nearly 30 percent. Such growth is not evenly distributed over time or across space: the extremes include Qatar growing by 400 percent and Lithuania losing 25 percent. And even within countries, the rate of growth varies. To support the need for up-to-date population data that reflects these shifts, WorldPop and Esri, the global leader in location intelligence, have partnered to include WorldPop’s 1-km annual gridded demographic datasets in ArcGIS Living Atlas of the World. The data covers 241 countries, territories, and dependencies for the 2000–2020 period.
“These datasets are critical for measuring and monitoring the accompanying sociodemographic changes over time and properly informing and supporting environmental, health, and development applications at local, subnational, national, and regional levels,” said Professor Andrew Tatem, Director of WorldPop at the University of Southampton. “In this context, comparable, multitemporal, and spatially explicit detailed population distribution datasets are a fundamental prerequisite for communicating the impacts of population growth.”
ArcGIS Living Atlas of the World is Esri’s evolving collection of ready-to-use and up-to-date authoritative content in the form of maps, apps, and data layers—all accessible via a web browser and most Esri products.
“Having the WorldPop 1-km gridded demographic datasets available as imagery layers in ArcGIS Living Atlas of the World provides unprecedented convenience to query and analyze population anywhere on Earth,” said Charlie Frye, Esri chief cartographer. “That these datasets no longer need to be downloaded or preassembled prior to use will result in substantial time and cost savings for any organization needing to understand recent population changes.”
Queries can include the entire 21-year history of population changes for any group, including births and five-year age cohorts. The results of these queries can be spatiotemporally analyzed using Esri’s ArcGIS software to find patterns. Multitemporal datasets depict grid cell level spatial distribution of total population, age, and sex cohorts and population density.
“The age and sex gridded datasets provide invaluable information about the spatial and temporal distribution of specific demographic groups, such as children, seniors, and women of childbearing age, which are well-known to be more vulnerable than others, and thus should be explicitly considered in decision- and policy-making processes,” said Dr. Alessandro Sorichetta, Associate Professor in Applied Geospatial Research at WorldPop.
The 1-km raster layers, curated by the WorldPop Spatial Data Infrastructure Team led by Dr Maksym Bondarenko, are available in ArcGIS Living Atlas of the World for population per grid cell, population density per grid cell, and population by age and sex per grid cell.
To learn more about ArcGIS Living Atlas of the World and other Esri population data layers, please visit go.esri.com/livingatlas.
WorldPop, initiated in October 2013 at the University of Southampton, develops methods and applications to produce open and high-resolution geospatial datasets on population distribution, demographics, and dynamics, with a focus mainly on low- and middle-income countries, to support development, disaster-response, and health applications. WorldPop research activities are designed with full open access and operational application in mind, using transparent, fully documented and peer-reviewed methods, to produce easily updatable outputs with accompanying metadata and, where possible, measures of uncertainty. WorldPop’s work contributes to and benefits from direct engagement with multiple national statistical offices, national and international agencies, universities, research centers, and large international humanitarian donors, producing rapid and strong impacts from its research. WorldPop’s population datasets and analyses inform several regional and global flagship reports and are the default geospatial demographic datasets used by many governments, international organizations, UN agencies, and private companies around the World. To learn more, visit our website and/or follow us on Twitter.
Esri, the global market leader in geographic information system (GIS) software, location intelligence, and mapping, helps customers unlock the full potential of data to improve operational and business results. Founded in 1969 in Redlands, California, USA, Esri software is deployed in more than 350,000 organizations globally and in over 200,000 institutions in the Americas, Asia and the Pacific, Europe, Africa, and the Middle East, including Fortune 500 companies, government agencies, nonprofits, and universities. Esri has regional offices, international distributors, and partners providing local support in over 100 countries on six continents. With its pioneering commitment to geospatial information technology, Esri engineers the most innovative solutions for digital transformation, the Internet of Things (IoT), and advanced analytics. Visit us at esri.com.
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Jo Ann Pruchniewski
Public Relations, Esri
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