{
 "source": "stability-scores.csv, The Scribe’s Advantage working dataset (2026-09-10)",
 "scales": {
  "axes": "stability, surplus, population (carrier density), output (scribal output): 0-10",
  "composite": "weighted composite of the four axes, 0-10",
  "sor": "Stability-to-Output Ratio: stability / output. Above ~2 signals a flood (stable state, silted output).",
  "dragonScore": "0-3 dragon matrix sum",
  "slaveryScore": "0-10 reliance on enslaved labour (stolen river)"
 },
 "civilizations": [
  {
   "name": "Sumer",
   "periodStart": -2600,
   "periodEnd": -2100,
   "periodLabel": "2600 BCE to 2100 BCE",
   "stability": 7,
   "surplus": 6,
   "population": 4,
   "output": 8,
   "composite": 6.1,
   "sor": 0.88,
   "outcome": "Compounding",
   "dragonScore": 0,
   "slaveryScore": 4,
   "disruptionType": null
  },
  {
   "name": "Old Kingdom Egypt",
   "periodStart": -2686,
   "periodEnd": -2181,
   "periodLabel": "2686 BCE to 2181 BCE",
   "stability": 9,
   "surplus": 7,
   "population": 5,
   "output": 6,
   "composite": 6.6,
   "sor": 1.5,
   "outcome": "Compounding",
   "dragonScore": 1,
   "slaveryScore": 3,
   "disruptionType": null
  },
  {
   "name": "Late Egypt / Amun",
   "periodStart": -1070,
   "periodEnd": -332,
   "periodLabel": "1070 BCE to 332 BCE",
   "stability": 9,
   "surplus": 7,
   "population": 6,
   "output": 3,
   "composite": 5.6,
   "sor": 3,
   "outcome": "Flood",
   "dragonScore": 3,
   "slaveryScore": 4,
   "disruptionType": null
  },
  {
   "name": "Athens",
   "periodStart": -480,
   "periodEnd": -322,
   "periodLabel": "480 BCE to 322 BCE",
   "stability": 5,
   "surplus": 8,
   "population": 4,
   "output": 10,
   "composite": 6.2,
   "sor": 0.5,
   "outcome": "Explosive",
   "dragonScore": 0,
   "slaveryScore": 7,
   "disruptionType": null
  },
  {
   "name": "Rome Republic-Empire",
   "periodStart": -200,
   "periodEnd": 200,
   "periodLabel": "200 BCE to 200 CE",
   "stability": 9,
   "surplus": 9,
   "population": 8,
   "output": 7,
   "composite": 8.2,
   "sor": 1.29,
   "outcome": "Compounding",
   "dragonScore": 1,
   "slaveryScore": 6,
   "disruptionType": null
  },
  {
   "name": "Rome Decline",
   "periodStart": 200,
   "periodEnd": 476,
   "periodLabel": "200 CE to 476 CE",
   "stability": 3,
   "surplus": 4,
   "population": 5,
   "output": 4,
   "composite": 3.9,
   "sor": 0.75,
   "outcome": "Declining",
   "dragonScore": 2,
   "slaveryScore": 5,
   "disruptionType": "Pandemic"
  },
  {
   "name": "Dark Ages W. Europe",
   "periodStart": 500,
   "periodEnd": 800,
   "periodLabel": "500 CE to 800 CE",
   "stability": 2,
   "surplus": 2,
   "population": 3,
   "output": 2,
   "composite": 2.2,
   "sor": 1,
   "outcome": "Collapsed",
   "dragonScore": 0,
   "slaveryScore": 3,
   "disruptionType": "War"
  },
  {
   "name": "Baghdad / Abbasid",
   "periodStart": 750,
   "periodEnd": 1258,
   "periodLabel": "750 CE to 1258 CE",
   "stability": 7,
   "surplus": 9,
   "population": 7,
   "output": 10,
   "composite": 8.1,
   "sor": 0.7,
   "outcome": "Compounding",
   "dragonScore": 0,
   "slaveryScore": 5,
   "disruptionType": null
  },
  {
   "name": "Post-Mongol Iraq",
   "periodStart": 1258,
   "periodEnd": 1500,
   "periodLabel": "1258 CE to 1500 CE",
   "stability": 1,
   "surplus": 1,
   "population": 2,
   "output": 1,
   "composite": 1.2,
   "sor": 1,
   "outcome": "Total Collapse",
   "dragonScore": 0,
   "slaveryScore": 3,
   "disruptionType": "War (total)"
  },
  {
   "name": "Tang China",
   "periodStart": 618,
   "periodEnd": 907,
   "periodLabel": "618 CE to 907 CE",
   "stability": 9,
   "surplus": 9,
   "population": 8,
   "output": 9,
   "composite": 8.7,
   "sor": 1,
   "outcome": "Peak Compounding",
   "dragonScore": 0,
   "slaveryScore": 5,
   "disruptionType": null
  },
  {
   "name": "Song China",
   "periodStart": 960,
   "periodEnd": 1279,
   "periodLabel": "960 CE to 1279 CE",
   "stability": 6,
   "surplus": 9,
   "population": 9,
   "output": 10,
   "composite": 8.3,
   "sor": 0.6,
   "outcome": "Explosive",
   "dragonScore": 0,
   "slaveryScore": 4,
   "disruptionType": null
  },
  {
   "name": "Ming China pre-1487",
   "periodStart": 1368,
   "periodEnd": 1487,
   "periodLabel": "1368 CE to 1487 CE",
   "stability": 9,
   "surplus": 8,
   "population": 9,
   "output": 7,
   "composite": 8.2,
   "sor": 1.29,
   "outcome": "Compounding",
   "dragonScore": 1,
   "slaveryScore": 5,
   "disruptionType": null
  },
  {
   "name": "Ming China post-1487",
   "periodStart": 1487,
   "periodEnd": 1644,
   "periodLabel": "1487 CE to 1644 CE",
   "stability": 9,
   "surplus": 8,
   "population": 9,
   "output": 3,
   "composite": 6.5,
   "sor": 3,
   "outcome": "Flood",
   "dragonScore": 3,
   "slaveryScore": 4,
   "disruptionType": null
  },
  {
   "name": "Ottoman 1453-1700",
   "periodStart": 1453,
   "periodEnd": 1700,
   "periodLabel": "1453 CE to 1700 CE",
   "stability": 8,
   "surplus": 8,
   "population": 7,
   "output": 6,
   "composite": 7.2,
   "sor": 1.33,
   "outcome": "Compounding",
   "dragonScore": 1,
   "slaveryScore": 5,
   "disruptionType": null
  },
  {
   "name": "Ottoman 1700-1922",
   "periodStart": 1700,
   "periodEnd": 1922,
   "periodLabel": "1700 CE to 1922 CE",
   "stability": 7,
   "surplus": 6,
   "population": 7,
   "output": 3,
   "composite": 5.4,
   "sor": 2.33,
   "outcome": "Flood",
   "dragonScore": 3,
   "slaveryScore": 4,
   "disruptionType": null
  },
  {
   "name": "Renaissance Italy",
   "periodStart": 1350,
   "periodEnd": 1550,
   "periodLabel": "1350 CE to 1550 CE",
   "stability": 5,
   "surplus": 9,
   "population": 6,
   "output": 10,
   "composite": 7.1,
   "sor": 0.5,
   "outcome": "Explosive",
   "dragonScore": 0,
   "slaveryScore": 2,
   "disruptionType": null
  },
  {
   "name": "Spain 1492-1700",
   "periodStart": 1492,
   "periodEnd": 1700,
   "periodLabel": "1492 CE to 1700 CE",
   "stability": 8,
   "surplus": 9,
   "population": 6,
   "output": 5,
   "composite": 6.7,
   "sor": 1.6,
   "outcome": "Declining",
   "dragonScore": 2,
   "slaveryScore": 6,
   "disruptionType": null
  },
  {
   "name": "Mughal India",
   "periodStart": 1556,
   "periodEnd": 1707,
   "periodLabel": "1556 CE to 1707 CE",
   "stability": 7,
   "surplus": 8,
   "population": 8,
   "output": 6,
   "composite": 7.2,
   "sor": 1.17,
   "outcome": "Compounding",
   "dragonScore": 1,
   "slaveryScore": 7,
   "disruptionType": null
  },
  {
   "name": "Joseon Korea",
   "periodStart": 1392,
   "periodEnd": 1910,
   "periodLabel": "1392 CE to 1910 CE",
   "stability": 8,
   "surplus": 5,
   "population": 6,
   "output": 4,
   "composite": 5.5,
   "sor": 2,
   "outcome": "Flood",
   "dragonScore": 3,
   "slaveryScore": 3,
   "disruptionType": null
  },
  {
   "name": "Tokugawa Japan",
   "periodStart": 1603,
   "periodEnd": 1868,
   "periodLabel": "1603 CE to 1868 CE",
   "stability": 9,
   "surplus": 6,
   "population": 7,
   "output": 5,
   "composite": 6.5,
   "sor": 1.8,
   "outcome": "Mixed",
   "dragonScore": 2,
   "slaveryScore": 2,
   "disruptionType": null
  },
  {
   "name": "Post-WWII Germany",
   "periodStart": 1945,
   "periodEnd": 1990,
   "periodLabel": "1945 CE to 1990 CE",
   "stability": 8,
   "surplus": 9,
   "population": 8,
   "output": 9,
   "composite": 8.5,
   "sor": 0.89,
   "outcome": "Recovery",
   "dragonScore": 0,
   "slaveryScore": 0,
   "disruptionType": null
  },
  {
   "name": "Post-WWII Japan",
   "periodStart": 1945,
   "periodEnd": 1990,
   "periodLabel": "1945 CE to 1990 CE",
   "stability": 8,
   "surplus": 9,
   "population": 8,
   "output": 9,
   "composite": 8.5,
   "sor": 0.89,
   "outcome": "Recovery",
   "dragonScore": 0,
   "slaveryScore": 0,
   "disruptionType": null
  },
  {
   "name": "Modern US 1945-2000",
   "periodStart": 1945,
   "periodEnd": 2000,
   "periodLabel": "1945 CE to 2000 CE",
   "stability": 9,
   "surplus": 10,
   "population": 9,
   "output": 9,
   "composite": 9.2,
   "sor": 1,
   "outcome": "Peak Compounding",
   "dragonScore": 0,
   "slaveryScore": 1,
   "disruptionType": null
  },
  {
   "name": "Modern US 2000-2026",
   "periodStart": 2000,
   "periodEnd": 2026,
   "periodLabel": "2000 CE to 2026 CE",
   "stability": 8,
   "surplus": 9,
   "population": 9,
   "output": 5,
   "composite": 7.4,
   "sor": 1.6,
   "outcome": "Flood Warning",
   "dragonScore": 2,
   "slaveryScore": 1,
   "disruptionType": null
  },
  {
   "name": "Tasmania",
   "periodStart": -10000,
   "periodEnd": 1800,
   "periodLabel": "10000 BCE to 1800 CE",
   "stability": 10,
   "surplus": 3,
   "population": 1,
   "output": 2,
   "composite": 2.8,
   "sor": 5,
   "outcome": "Collapsed",
   "dragonScore": 0,
   "slaveryScore": 0,
   "disruptionType": null
  },
  {
   "name": "Timbuktu",
   "periodStart": 1300,
   "periodEnd": 1591,
   "periodLabel": "1300 CE to 1591 CE",
   "stability": 7,
   "surplus": 7,
   "population": 5,
   "output": 8,
   "composite": 6.6,
   "sor": 0.88,
   "outcome": "Compounding",
   "dragonScore": 0,
   "slaveryScore": 5,
   "disruptionType": null
  },
  {
   "name": "Post-trade W. Africa",
   "periodStart": 1600,
   "periodEnd": 1900,
   "periodLabel": "1600 CE to 1900 CE",
   "stability": 2,
   "surplus": 2,
   "population": 3,
   "output": 3,
   "composite": 2.5,
   "sor": 0.67,
   "outcome": "Collapsed",
   "dragonScore": 0,
   "slaveryScore": 10,
   "disruptionType": "External Slavery"
  },
  {
   "name": "Kerala",
   "periodStart": 1400,
   "periodEnd": 1800,
   "periodLabel": "1400 CE to 1800 CE",
   "stability": 6,
   "surplus": 6,
   "population": 5,
   "output": 7,
   "composite": 6,
   "sor": 0.86,
   "outcome": "Compounding",
   "dragonScore": 0,
   "slaveryScore": 3,
   "disruptionType": null
  },
  {
   "name": "South Korea 1961-2026",
   "periodStart": 1961,
   "periodEnd": 2026,
   "periodLabel": "1961 CE to 2026 CE",
   "stability": 8,
   "surplus": 9,
   "population": 7,
   "output": 9,
   "composite": 8.2,
   "sor": 0.89,
   "outcome": "Recovery",
   "dragonScore": 0,
   "slaveryScore": 1,
   "disruptionType": null
  }
 ]
}