Sign in Subscribe
Air pollution control

Demographic Changes and Carbon Emissions: A Key Challenge for China

Strategic Insights

— 1 min read

China is facing a crucial challenge in addressing demographic changes and reducing carbon emissions from energy consumption in the building sector, which accounts for over one-third of global carbon emissions. Researchers at Chongqing University conducted a study to investigate the impact of demographic factors on carbon emissions from residential buildings in Chongqing, China. The study employed the Stochastic Impacts by Regression on Population, Affluence, and Technology (STIRPAT) model and a System Dynamics (SD) model to analyze the interaction among demographic factors and their cascading impacts on residential carbon emissions under various future scenarios.

Key Takeaways:

  • The study found that demographic factors such as household size, population, urbanization rate, aging, and education level significantly impact carbon emissions from residential buildings in Chongqing.
  • Ridge regression coefficients quantified the impacts of demographic factors, with household size being the most significant factor (-0.396), followed by population (0.239), urbanization rate (0.183), aging (0.133), and education level (0.054).
  • System simulations estimated that carbon emissions from residential buildings in Chongqing will reach 20.32 million tons of CO2 by 2035.
  • The study's scenario simulations revealed that carbon emissions are most sensitive to changes in household size, while the effects of the aging population and urbanization rate are relatively weaker.
  • The research offers insights for energy-saving and emission-reduction policies in China and other countries, particularly regarding household size optimization.
  • The study concluded that demographic changes have a significant impact on carbon emissions from residential buildings, and policymakers should consider these factors when developing sustainable energy policies.

Statistics:

  • Carbon emissions from energy consumption in the building sector account for more than one-third of global carbon emissions.
  • By 2035, carbon emissions from residential buildings in Chongqing are estimated to reach 20.32 million tons of CO2.
  • The aging population's impact on carbon emissions is estimated to be 0.133.
  • Urbanization rate's impact on carbon emissions is estimated to be 0.183.
  • Education level's impact on carbon emissions is estimated to be 0.054.

Sources:

  • Research On the Impact of Demographic Factors On Carbon Emissions From Residential Buildings In Chongqing (China). Energy and Buildings, 2025;346.
  • Chongqing University. Sch Management Sci & Real Estate.
  • National Social Science Fund.
  • Natural Science Foundation of Chongqing.

Read more