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Related Experiment Video

Updated: Feb 5, 2026

Ultrastructural Localization of Endogenous LC3 by On-Section Correlative Light-Electron Microscopy
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Nighttime lights as a proxy for human development at the local level.

Anna Bruederle1, Roland Hodler1

  • 1Department of Economics and SIAW-HSG, University of St.Gallen, St.Gallen, Switzerland.

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|September 6, 2018
PubMed
Summary

Nighttime lights from satellite data are a reliable indicator of human development in developing countries. This study confirms their strong association with wealth, education, and health at the local level.

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Area of Science:

  • Socioeconomic indicators
  • Geospatial analysis
  • Development studies

Background:

  • Nighttime lights are increasingly used as a proxy for economic activity in developing nations due to data scarcity.
  • The precise meaning of nighttime lights in these contexts remains poorly understood.

Purpose of the Study:

  • To assess the validity of nighttime lights as a proxy for human development indicators.
  • To investigate the relationship between nighttime lights and household wealth, education, and health in African countries.

Main Methods:

  • Utilized geo-referenced Demographic and Health Surveys (DHS) from 29 African countries.
  • Constructed indicators for household wealth, education, and health at DHS cluster and grid cell levels (approx. 50x50 km).
  • Analyzed the association between nighttime lights and these human development indicators.

Main Results:

  • Nighttime lights showed a positive association with location-specific indicators of human development.
  • Variations in nighttime lights explained a significant portion of the variation in human development indicators.
  • The findings support the use of nighttime lights for local-level development assessment.

Conclusions:

  • Nighttime lights serve as a robust proxy for human development at the local level in developing countries.
  • This methodology offers a valuable tool for social scientists and policymakers in data-scarce regions.