TableĀ 2

Sub-indicators of GLPI index and their sources

Level indicatorsThe secondary indicatorsData source
LPICustomWorld bank WDI database
Infrastructure
Shipment
Service
Tracing
Timeliness
GLSCO2 emissionOur World in Data (OWD)
N2O emission
CH4 emission
F-gas emissionClimate watch
Fossil fuel consumptionOur World in Data (OWD)
Source(s): Compiled by the Authors (2025)

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