{
  "title": "Energy, Efficiency Gains and Economic Development: When Will Global Energy Demand Saturate?",
  "publication": "IMF Working Papers, November 20, 2020",
  "sourceUrl": "https://www.imf.org/en/publications/wp/issues/2020/11/20/energy-efficiency-gains-and-economic-development-when-will-global-energy-demand-saturate-49889",
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  "summary": "Not anytime soon. Using a novel dataset covering 127 countries and spanning two centuries, we find evidence for an energy Kuznets curve, with an initial decline of energy demand at low levels of per capita income followed by stages of acceleration and then saturation at high-income levels.",
  "sections": [
    {
      "heading": "Summary",
      "content": "- Using a novel dataset covering 127 countries and spanning two centuries, the authors find evidence for an energy Kuznets curve:\n  - Initial decline of energy demand at low levels of per capita income.\n  - Stages of acceleration in energy demand as income rises.\n  - Saturation (a plateau) of energy demand at high-income levels.\n- Historical trends in energy efficiency have reduced energy demand, globally, by about 1.2 percent per year and have helped bring forward a plateau in energy demand for high income countries.\n- At middle incomes energy and income move in lockstep.\n- The decline in the manufacturing share of value added, globally, accounted for about 0.2 percentage points of the energy efficiency gains.\n- At the country level, the decline (rise) of the manufacturing sector has reduced (increased) US (China) energy demand by 4.1 (10.7) percent between 1990 and 2017."
    },
    {
      "heading": "Key quantitative findings",
      "content": "- Dataset coverage: 127 countries.\n- Time span: two centuries.\n- Global historical energy efficiency trend: about 1.2 percent per year reduction in energy demand.\n- Contribution of manufacturing share decline to energy efficiency gains: about 0.2 percentage points.\n- Country-level manufacturing-driven changes in energy demand (1990–2017):\n  - United States: reduced energy demand by 4.1 percent.\n  - China: increased energy demand by 10.7 percent."
    },
    {
      "heading": "Interpretations and implications",
      "content": "- The energy Kuznets curve suggests non-linear dynamics between per capita income and energy demand, with distinct phases (decline → acceleration → saturation).\n- Energy efficiency improvements have materially lowered global energy demand growth and accelerated the timing of demand plateaus in high-income countries.\n- Structural change in the economy, specifically the manufacturing share of value added, plays a measurable role in long-run energy demand trends but explains only a fraction (about 0.2 percentage points) of historical efficiency gains.\n- Middle-income countries may experience proportional increases in energy demand as incomes rise (\"lockstep\" movement), implying that global energy demand could continue to grow as more countries pass through middle-income stages unless offset by stronger efficiency gains or structural change.\n\nChristian Bogmans, Lama Kiyasseh, Akito Matsumoto, and Andrea Pescatori. \"Energy, Efficiency Gains and Economic Development: When Will Global Energy Demand Saturate?\", IMF Working Papers 2020, 253 (2020), accessed 9/16/2026, https://doi.org/10.5089/9781513561240.001\n\n---\n\n Content in this bundle\n\n- Working Paper\n  - Working Paper (Markdown version){rel=\"alternate\" type=\"text/markdown\"}\n  - Working Paper (PDF){rel=\"external\" type=\"application/pdf\"}\n\n---\n\nSource: https://www.imf.org/en/publications/wp/issues/2020/11/20/energy-efficiency-gains-and-economic-development-when-will-global-energy-demand-saturate-49889"
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    "Authors: Christian Bogmans, Lama Kiyasseh, Akito Matsumoto, Andrea Pescatori",
    "Published: November 20, 2020",
    "Series: IMF Working Papers",
    "DOI: https://doi.org/10.5089/9781513561240.001",
    "Using a novel dataset covering 127 countries and spanning two centuries, the authors find evidence for an energy Kuznets curve:",
    "Historical trends in energy efficiency have reduced energy demand, globally, by about 1.2 percent per year and have helped bring forward a plateau in energy demand for high income countries.",
    "At middle incomes energy and income move in lockstep.",
    "The decline in the manufacturing share of value added, globally, accounted for about 0.2 percentage points of the energy efficiency gains.",
    "At the country level, the decline (rise) of the manufacturing sector has reduced (increased) US (China) energy demand by 4.1 (10.7) percent between 1990 and 2017.",
    "Dataset coverage: 127 countries.",
    "Time span: two centuries.",
    "Global historical energy efficiency trend: about 1.2 percent per year reduction in energy demand.",
    "Contribution of manufacturing share decline to energy efficiency gains: about 0.2 percentage points.",
    "Country-level manufacturing-driven changes in energy demand (1990–2017):",
    "The energy Kuznets curve suggests non-linear dynamics between per capita income and energy demand, with distinct phases (decline → acceleration → saturation).",
    "Energy efficiency improvements have materially lowered global energy demand growth and accelerated the timing of demand plateaus in high-income countries.",
    "Structural change in the economy, specifically the manufacturing share of value added, plays a measurable role in long-run energy demand trends but explains only a fraction (about 0.2 percentage points) of historical efficiency gains.",
    "Middle-income countries may experience proportional increases in energy demand as incomes rise (\"lockstep\" movement), implying that global energy demand could continue to grow as more countries pass through middle-income stages unless offset by stronger efficiency gains or structural change.",
    "**Working Paper**"
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