[
  {
    "scenario_id": 1,
    "scenario_name": "COVID-19 Pandemic",
    "start_year": 2020,
    "end_year": 2022,
    "description": "Global pandemic with lockdowns, increased mortality, reduced mobility",
    "demographic_impacts": {
      "birth_rate_change": -0.15,
      "death_rate_change": 0.25,
      "migration_change": -0.6,
      "economic_impact": -0.2
    }
  },
  {
    "scenario_id": 2,
    "scenario_name": "Geopolitical Instability",
    "start_year": 2022,
    "end_year": 2024,
    "description": "Military conflict, sanctions, mobilization, brain drain",
    "demographic_impacts": {
      "birth_rate_change": -0.2,
      "death_rate_change": 0.15,
      "migration_change": -0.8,
      "economic_impact": -0.3
    }
  },
  {
    "scenario_id": 3,
    "scenario_name": "Ecological Catastrophe",
    "start_year": 2023,
    "end_year": 2025,
    "description": "Major environmental disaster (nuclear accident, oil spill, wildfire)",
    "demographic_impacts": {
      "birth_rate_change": -0.3,
      "death_rate_change": 0.4,
      "migration_change": -0.9,
      "economic_impact": -0.5
    }
  },
  {
    "scenario_id": 4,
    "scenario_name": "Economic Crisis",
    "start_year": 2021,
    "end_year": 2023,
    "description": "Severe economic recession, hyperinflation, unemployment",
    "demographic_impacts": {
      "birth_rate_change": -0.25,
      "death_rate_change": 0.1,
      "migration_change": -0.4,
      "economic_impact": -0.4
    }
  },
  {
    "scenario_id": 5,
    "scenario_name": "Climate Change Extreme",
    "start_year": 2022,
    "end_year": 2027,
    "description": "Extreme weather events, droughts, floods, permafrost melting",
    "demographic_impacts": {
      "birth_rate_change": -0.1,
      "death_rate_change": 0.2,
      "migration_change": -0.5,
      "economic_impact": -0.25
    }
  },
  {
    "scenario_id": 6,
    "scenario_name": "Technological Disruption",
    "start_year": 2020,
    "end_year": 2025,
    "description": "Mass automation, AI replacement of jobs, social unrest",
    "demographic_impacts": {
      "birth_rate_change": -0.12,
      "death_rate_change": 0.05,
      "migration_change": -0.3,
      "economic_impact": -0.35
    }
  },
  {
    "scenario_id": 7,
    "scenario_name": "Energy Crisis",
    "start_year": 2021,
    "end_year": 2024,
    "description": "Energy shortages, infrastructure collapse, winter heating crisis",
    "demographic_impacts": {
      "birth_rate_change": -0.18,
      "death_rate_change": 0.3,
      "migration_change": -0.7,
      "economic_impact": -0.45
    }
  },
  {
    "scenario_id": 8,
    "scenario_name": "Social Upheaval",
    "start_year": 2019,
    "end_year": 2022,
    "description": "Political instability, protests, civil unrest, institutional breakdown",
    "demographic_impacts": {
      "birth_rate_change": -0.22,
      "death_rate_change": 0.12,
      "migration_change": -0.6,
      "economic_impact": -0.28
    }
  },
  {
    "scenario_id": 9,
    "scenario_name": "Infrastructure Collapse",
    "start_year": 2023,
    "end_year": 2025,
    "description": "Critical infrastructure failure: transport, healthcare, utilities",
    "demographic_impacts": {
      "birth_rate_change": -0.35,
      "death_rate_change": 0.5,
      "migration_change": -0.8,
      "economic_impact": -0.6
    }
  },
  {
    "scenario_id": 10,
    "scenario_name": "Food Security Crisis",
    "start_year": 2024,
    "end_year": 2026,
    "description": "Agricultural failure, food shortages, malnutrition, supply chain breakdown",
    "demographic_impacts": {
      "birth_rate_change": -0.28,
      "death_rate_change": 0.35,
      "migration_change": -0.75,
      "economic_impact": -0.4
    }
  }
]