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This polygon layer, at the second administrative level (provinces, municipalities, cantons), represents the percentage of the population with access to the electricity supply network.
Electricity access is a crucial factor for improving quality of life, economic growth, and environmental sustainability. This indicator helps identify regions with energy deficits, facilitating policy planning to expand electrical infrastructure in vulnerable areas. The Electricity Access indicator measures the proportion of the population with electricity access in a given geographic area and is a key component of Sustainable Development Goal 7 (SDG 7), which aims to ensure universal access to affordable, reliable, sustainable, and modern energy.
The dataset is based on a combination of satellite data and population models. First, WorldPop data—a global population distribution model—is used to estimate the number of inhabitants in each geographic unit. Then, this information is cross-referenced with VIIRS Nighttime Lights Version 2 (VNL V2) data, a set of satellite images mapping nighttime light intensity. It is assumed that illuminated areas have electricity access and that the population within these polygons has an electricity supply.
Compilation by AmazoniaForever360+ using original global data. The dataset includes municipal units that intersect or are contained within the Amazon region boundary. A highly simplified version of the original data structure is presented:
Earthdata NASA - SDG 7.1.1: Access to Electricity https://www.earthdata.nasa.gov/data/catalog/sedac-ciesin-sedac-sdgi-accelec-2023-2023.00
The layer represents second-level administrative units (NAME_2) located within first-level divisions (NAME_1) and countries (NAME_0). The Pop_A2 field displays the estimated population for each second-level administrative unit, while SDG711pct indicates the percentage of the population with electricity access according to SDG 7.1.1. This percentage reflects the proportion of people within each administrative unit who have guaranteed electricity access, ranging from 0% (no access) to 100% (full access).
The SDG 7.1.1: Access to Electricity dataset (2023 edition, covering 2020-2022) is provided by the Socioeconomic Data and Applications Center (SEDAC), operated by CIESIN at Columbia University, as part of NASA’s data archive system. Its goal is to integrate socioeconomic data with environmental and geospatial information to support research and policymaking on topics such as sustainable development, climate change, and resource management.
The dataset can be accessed at:
SDG 7.1.1: Access to Electricity - SEDAC https://sedac.ciesin.columbia.edu/data/set/sdgi-7-1-1-access-electricity-2023