{
  "title": "Luxembourg: Technical Assistance Report-Pension Projection Assessment",
  "publication": "Technical Assistance Reports, December 12, 2025",
  "sourceUrl": "https://www.imf.org/en/publications/technical-assistance-reports/issues/2025/12/12/luxembourg-technical-assistance-report-pension-projection-assessment-572477",
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  "summary": "This report assesses the reliability of Luxembourg’s pension projections and finds that both short- and long-term forecasts generally perform well, supporting sound fiscal planning. Short-term projections have shown modest deviations—on average 0.",
  "sections": [
    {
      "heading": "Assessment summary",
      "content": "- The report assesses the reliability of Luxembourg’s pension projections and finds that both short- and long-term forecasts generally perform well, supporting sound fiscal planning.\n- Proposed model refinements do not alter the fundamental finding that reforms are needed to secure fiscal sustainability of the pension system."
    },
    {
      "heading": "Short-term forecasting performance",
      "content": "- Short-term projections have shown modest deviations—on average 0.04 percent of GDP over the past decade.\n- Larger gaps occurred during periods of exceptional uncertainty such as the COVID-19 shock and the inflation surge following Russia’s war in Ukraine.\n- Similar forecasting challenges were observed in peer EU countries.\n- One key driver of short-term deviations is the underestimation of average real contributions per employee."
    },
    {
      "heading": "Long-term projections and outlook",
      "content": "- Long-term projections have remained broadly robust across vintages, with the timing of key pension fund events shifting only marginally.\n- Reserves are still expected to:\n  - fall below the statutory minimum in the late 2030s, and\n  - be exhausted around the mid-2040s.\n- Variability in long-term outcomes mainly reflects evolving demographic and employment assumptions, which tend to have larger effects in small economies."
    },
    {
      "heading": "Drivers of forecasting variability",
      "content": "- Demographic assumptions.\n- Employment assumptions.\n- Wage and contribution assumptions (including underestimation of average real contributions per employee).\n- Return assumptions for pension fund assets.\n- External shocks (examples cited: COVID-19 shock; inflation surge following Russia’s war in Ukraine)."
    },
    {
      "heading": "Recommended improvements and model refinements",
      "content": "- Refine employment and wage inputs.\n- Reassess return assumptions.\n- Incorporate micro-simulations.\n- Enhance communication and transparency.\n- Adopt a multi-model approach and consider cross-country benchmarking to contextualize forecasting performance.\n- The report notes that these improvements would help maintain the high level of accuracy and transparency but do not change the need for reforms to secure fiscal sustainability.\n\n---\n\n Content in this bundle\n\n- Preface\n  - Preface (Markdown version){rel=\"alternate\" type=\"text/markdown\"}\n  - Preface (PDF){rel=\"external\" type=\"application/pdf\"}\n\n---\n\nSource: https://www.imf.org/en/publications/technical-assistance-reports/issues/2025/12/12/luxembourg-technical-assistance-report-pension-projection-assessment-572477"
    }
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    "Published: December 12, 2025",
    "Series: Technical Assistance Reports",
    "DOI: https://doi.org/10.5089/9798229033084.019",
    "The report assesses the reliability of Luxembourg’s pension projections and finds that both short- and long-term forecasts generally perform well, supporting sound fiscal planning.",
    "Proposed model refinements do not alter the fundamental finding that reforms are needed to secure fiscal sustainability of the pension system.",
    "Short-term projections have shown modest deviations—on average 0.04 percent of GDP over the past decade.",
    "Larger gaps occurred during periods of exceptional uncertainty such as the COVID-19 shock and the inflation surge following Russia’s war in Ukraine.",
    "Similar forecasting challenges were observed in peer EU countries.",
    "One key driver of short-term deviations is the underestimation of average real contributions per employee.",
    "Long-term projections have remained broadly robust across vintages, with the timing of key pension fund events shifting only marginally.",
    "Reserves are still expected to:",
    "Variability in long-term outcomes mainly reflects evolving demographic and employment assumptions, which tend to have larger effects in small economies.",
    "Demographic assumptions.",
    "Employment assumptions.",
    "Wage and contribution assumptions (including underestimation of average real contributions per employee).",
    "Return assumptions for pension fund assets.",
    "External shocks (examples cited: COVID-19 shock; inflation surge following Russia’s war in Ukraine).",
    "Refine employment and wage inputs.",
    "Reassess return assumptions.",
    "Incorporate micro-simulations.",
    "Enhance communication and transparency.",
    "Adopt a multi-model approach and consider cross-country benchmarking to contextualize forecasting performance.",
    "The report notes that these improvements would help maintain the high level of accuracy and transparency but do not change the need for reforms to secure fiscal sustainability.",
    "**Preface**"
  ],
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