{
  "title": "Check my math: Kardashev scale",
  "description": "Each step, unit and source behind this page. World energy figures are as of the EIA page last updated April 11, 2024. Own compilation, CC BY 4.0; values from Our World in Data keep their upstream licences.",
  "license": "CC BY 4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
  "creator": "The What-If Observatory",
  "page": "https://whatifobservatory.com/estimates/kardashev-scale/",
  "derived_from": [
    "Ćirković 2015",
    "US EIA",
    "Smil 2017 via Our World in Data",
    "Jiang & Das 2025",
    "UN via Our World in Data"
  ],
  "method": "Compiled by The What-If Observatory from the data listed"
}