This dataset contains estimates of the number of persons per
30 arc-second grid cell consistent with national censuses and population
registers. There is one image for each modeled year.
The Gridded Population of World Version 4 (GPWv4), Revision 11 models the distribution
of global human population for the years 2000, 2005, 2010, 2015, and 2020
on 30 arc-second (approximately 1 km) grid cells. Population is distributed
to cells using proportional allocation of population from census and
administrative units. Population input data are collected at the most
detailed spatial resolution available from the results of the 2010 round of
censuses, which occurred between 2005 and 2014. The input data are
extrapolated to produce population estimates for each modeled year.
Bands
Pixel Size 927.67 meters
Bands
Name
Min
Max
Description
population_count
0*
627597*
The estimated number of persons per 30 arc-second grid cell.
Center for International Earth Science Information Network - CIESIN -
Columbia University. 2018. Gridded Population of the World, Version 4
(GPWv4): Population Count, Revision 11. Palisades, NY: NASA Socioeconomic Data and
Applications Center (SEDAC). https://doi.org/10.7927/H4JW8BX5.
Accessed DAY MONTH YEAR.
This dataset contains estimates of the number of persons per 30 arc-second grid cell consistent with national censuses and population registers. There is one image for each modeled year. General Documentation Note: Because this collection has a pyramid policy of MEAN, zooming out results in information loss. Calculations need to …
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],[],[[["The Gridded Population of the World Version 4 (GPWv4), Revision 11 dataset provides estimates of the human population distributed across the globe on a 30 arc-second grid for the years 2000, 2005, 2010, 2015, and 2020."],["Population counts are modeled based on national censuses and population registers, using proportional allocation to distribute population within grid cells."],["The dataset is available from NASA's Socioeconomic Data and Applications Center (SEDAC) and is accessible through Google Earth Engine."],["It's important to note that zooming out on this dataset in Earth Engine can lead to information loss due to the dataset's pyramid policy of MEAN, so calculations should be done at native resolution."],["The dataset is licensed under CC-BY-4.0 and requires attribution to CIESIN - Columbia University."]]],["The dataset from NASA SEDAC, accessible via Earth Engine, provides gridded population data (GPWv4) from 2000 to 2020, updated every five years. It estimates the number of people per 30 arc-second grid cell (approximately 1km) using census and population registers. The `population_count` band represents the estimated number of persons per grid cell, with a pixel size of 927.67 meters. Data is distributed proportionally from census units, extrapolated for modeled years. The data should be calculated at its native resolution due to the data model.\n"]]
