Table 2.

Importance (VIM) of factors influencing CO₂ emissions

Factors	VIM	Factors	VIM
Share of renewable energy in total primary energy supply	1.0000	Ratio of population aged 0–14	0.5703
Ratio of R&D expenditure to GDP	0.7887	GDP per capita	0.5651
Share of primary industry in GDP	0.7685	Urban population	0.5441
Share of natural gas in total energy consumption	0.7169	Total population at the end of the year	0.5387
Total energy consumption	0.6914	Fixed asset investment	0.5165
Energy consumption per unit of GDP	0.6636	Urbanization rate	0.5065
Ratio of population aged 15–64	0.6548	Proportion of thermal power generation	0.4732
Total primary energy consumption	0.6213	GDP	0.4695
Electricity consumption	0.6077	GDP growth rate	0.1934
Ratio of total industrial output to service output	0.6073	Share of coal in total energy consumption	0.1607
Energy consumption per capita	0.5994	Share of secondary industry in GDP	0.1119
Share of tertiary sector in GDP	0.5800	Trade openness	0.1029
Ratio of population aged over 65	0.5751	Share of oil in total energy consumption	0.0281