{
  "dataset": "uranium_resources",
  "as_of_date": "2026-09-29",
  "generated_at": "2026-10-09T07:14:14Z",
  "description": "Identified uranium resources (reasonably assured + inferred, recoverable) by country at <USD 130/kgU as of 1 January 2025, from the NEA/IAEA Red Book 'Uranium 2026: Resources, Production and Demand' as republished by the World Nuclear Association, plus the Red Book world total at <USD 260/kgU.",
  "sources": [
    {
      "name": "World Nuclear Association - Supply of Uranium (page updated 29 September 2026), table 'Uranium resources to $130/kg U by country as of January 2025 (reasonably assured resources plus inferred resources)'",
      "url": "https://world-nuclear.org/information-library/nuclear-fuel-cycle/uranium-resources/supply-of-uranium",
      "accessed": "2026-10-09",
      "page_updated": "2026-09-29",
      "footnote_quoted": "Identified resources recoverable (reasonably assured resources plus inferred resources), to $130/kg U, 1/1/25, from OECD-NEA & IAEA, Uranium 2026: Resources, Production and Demand ('Red Book'). The total recoverable identified resources to $260/kg U is 8.105 million tonnes U.",
      "licence": "Copyright World Nuclear Association; facts cited with attribution"
    },
    {
      "name": "OECD Nuclear Energy Agency & IAEA - Uranium 2026: Resources, Production and Demand",
      "url": "https://www.oecd-nea.org/jcms/pl_121658/uranium-2026-resources-production-and-demand",
      "accessed": null,
      "note": "primary source; the NEA site refuses automated fetching (robots.txt), so the WNA republication and press coverage were used",
      "reference_date": "2025-01-01"
    },
    {
      "name": "World Nuclear News - 'Red Book confident on uranium resources to meet future growth' (14 September 2026)",
      "url": "https://world-nuclear-news.org/articles/red-book-confident-on-uranium-resources-to-meet-future-growth",
      "accessed": "2026-10-09",
      "quotes": [
        "more than 8.1 million tonnes of uranium (tU) globally",
        "61,924 tU (2024 production)",
        "As of 1 January 2025"
      ]
    },
    {
      "name": "ANS Nuclear Newswire - 'Newest Red Book notes the need for more U investment' (15 September 2026)",
      "url": "https://www.ans.org/news/2026-09-15/article-8391/newest-red-book-notes-the-need-for-more-u-investment/",
      "accessed": "2026-10-09",
      "quotes": [
        "31st edition",
        "46 uranium-producing and -consuming countries",
        "418 commercial reactors ... 378 GWe ... about 64,500 MTU",
        "approximately 84,800 to 143,900 MTU per year (2050)",
        "exceeded $1.78 billion (exploration and development 2023-2024)"
      ]
    }
  ],
  "fields": {
    "country": "country (Red Book reporting country); 'Other countries' = residual; 'World'",
    "iso3": "ISO 3166-1 alpha-3; OTH = residual; WLD = world",
    "category": "reasonably_assured | inferred | identified_total (only identified_total is publicly available for this edition)",
    "cost_class": "<40 | <80 | <130 | <260 (USD per kgU recoverable cost); only <130 by country and <260 world are public",
    "tonnes_u": "tonnes U recoverable",
    "share_of_world_pct": "computed against the world total of the same category/cost class",
    "share_of_world_pct_published": "WNA's printed percentage",
    "red_book_edition": "edition",
    "as_of": "Red Book reference date",
    "source_url": "page read",
    "source_name": "source",
    "as_of_date": "page update date",
    "confidence": "high = transcribed from WNA's republication of the Red Book table",
    "notes": "definitions and gaps"
  },
  "definitions": {
    "identified_resources": "Red Book: reasonably assured resources (RAR) + inferred resources, recoverable at the stated cost (USD/kgU)",
    "cost_classes": "Red Book categories <USD 40/kgU, <USD 80/kgU, <USD 130/kgU, <USD 260/kgU (cumulative); USD 130/kgU = USD 50/lb U3O8, USD 260/kgU = USD 100/lb U3O8",
    "conversion": "1 kgU = 2.59979 lb U3O8, so USD/kgU / 2.59979 = USD/lb U3O8"
  },
  "known_gaps": [
    "RAR vs inferred split and the <USD 40 and <USD 80/kgU classes by country are only in the Red Book itself (free PDF on oecd-nea.org, not reachable by the research fetcher; a mirror PDF needed an unanswered approval).",
    "Per-country <USD 260/kgU figures are not republished by WNA; only the world total (8.105 Mt U) is public.",
    "WNA's 'Other' residual (390,400 tU) covers all remaining reporting countries (e.g. Uzbekistan, USA, Botswana, Jordan, India, Greenland); not itemised.",
    "Undiscovered (prognosticated + speculative) and unconventional resources are not loaded; WNA quotes the 2026 Red Book as tabulating 34,600 tU (<USD130) / 42,300 tU (<USD260) of unconventional resources and 11,700 tU (<USD260) in black shales - scope unclear, so left out."
  ],
  "summary": {
    "record_count": 15,
    "world_identified_lt130_tu": 5864500,
    "world_identified_lt260_tu": 8105000
  },
  "records": [
    {"country": "Australia", "iso3": "AUS", "category": "identified_total", "cost_class": "<130", "cost_class_unit": "USD/kgU", "red_book_edition": "Uranium 2026 (Red Book, 31st edition)", "as_of": "2025-01-01", "tonnes_u": 1701600, "share_of_world_pct": 29.02, "share_of_world_pct_published": 29, "source_url": "https://world-nuclear.org/information-library/nuclear-fuel-cycle/uranium-resources/supply-of-uranium", "source_name": "World Nuclear Association - Supply of Uranium (page updated 29 September 2026), table 'Uranium resources to $130/kg U by country as of January 2025 (reasonably assured resources plus inferred resources)'", "as_of_date": "2026-09-29", "confidence": "high", "notes": "Identified resources = reasonably assured (RAR) + inferred, recoverable at <USD 130/kgU, as of 1 Jan 2025, from the NEA/IAEA Red Book 'Uranium 2026' as republished by WNA (footnote quoted in the dataset header). Red Book primary page: https://www.oecd-nea.org/jcms/pl_121658/uranium-2026-resources-production-and-demand (not fetchable by our tools - robots.txt). RAR/inferred split and the <40, <80 USD/kgU cost classes are only in the Red Book itself (see known_gaps)."},
    {"country": "Kazakhstan", "iso3": "KAZ", "category": "identified_total", "cost_class": "<130", "cost_class_unit": "USD/kgU", "red_book_edition": "Uranium 2026 (Red Book, 31st edition)", "as_of": "2025-01-01", "tonnes_u": 827500, "share_of_world_pct": 14.11, "share_of_world_pct_published": 14, "source_url": "https://world-nuclear.org/information-library/nuclear-fuel-cycle/uranium-resources/supply-of-uranium", "source_name": "World Nuclear Association - Supply of Uranium (page updated 29 September 2026), table 'Uranium resources to $130/kg U by country as of January 2025 (reasonably assured resources plus inferred resources)'", "as_of_date": "2026-09-29", "confidence": "high", "notes": "Identified resources = reasonably assured (RAR) + inferred, recoverable at <USD 130/kgU, as of 1 Jan 2025, from the NEA/IAEA Red Book 'Uranium 2026' as republished by WNA (footnote quoted in the dataset header). Red Book primary page: https://www.oecd-nea.org/jcms/pl_121658/uranium-2026-resources-production-and-demand (not fetchable by our tools - robots.txt). RAR/inferred split and the <40, <80 USD/kgU cost classes are only in the Red Book itself (see known_gaps)."},
    {"country": "Canada", "iso3": "CAN", "category": "identified_total", "cost_class": "<130", "cost_class_unit": "USD/kgU", "red_book_edition": "Uranium 2026 (Red Book, 31st edition)", "as_of": "2025-01-01", "tonnes_u": 551700, "share_of_world_pct": 9.41, "share_of_world_pct_published": 9, "source_url": "https://world-nuclear.org/information-library/nuclear-fuel-cycle/uranium-resources/supply-of-uranium", "source_name": "World Nuclear Association - Supply of Uranium (page updated 29 September 2026), table 'Uranium resources to $130/kg U by country as of January 2025 (reasonably assured resources plus inferred resources)'", "as_of_date": "2026-09-29", "confidence": "high", "notes": "Identified resources = reasonably assured (RAR) + inferred, recoverable at <USD 130/kgU, as of 1 Jan 2025, from the NEA/IAEA Red Book 'Uranium 2026' as republished by WNA (footnote quoted in the dataset header). Red Book primary page: https://www.oecd-nea.org/jcms/pl_121658/uranium-2026-resources-production-and-demand (not fetchable by our tools - robots.txt). RAR/inferred split and the <40, <80 USD/kgU cost classes are only in the Red Book itself (see known_gaps)."},
    {"country": "Russia", "iso3": "RUS", "category": "identified_total", "cost_class": "<130", "cost_class_unit": "USD/kgU", "red_book_edition": "Uranium 2026 (Red Book, 31st edition)", "as_of": "2025-01-01", "tonnes_u": 471700, "share_of_world_pct": 8.04, "share_of_world_pct_published": 8, "source_url": "https://world-nuclear.org/information-library/nuclear-fuel-cycle/uranium-resources/supply-of-uranium", "source_name": "World Nuclear Association - Supply of Uranium (page updated 29 September 2026), table 'Uranium resources to $130/kg U by country as of January 2025 (reasonably assured resources plus inferred resources)'", "as_of_date": "2026-09-29", "confidence": "high", "notes": "Identified resources = reasonably assured (RAR) + inferred, recoverable at <USD 130/kgU, as of 1 Jan 2025, from the NEA/IAEA Red Book 'Uranium 2026' as republished by WNA (footnote quoted in the dataset header). Red Book primary page: https://www.oecd-nea.org/jcms/pl_121658/uranium-2026-resources-production-and-demand (not fetchable by our tools - robots.txt). RAR/inferred split and the <40, <80 USD/kgU cost classes are only in the Red Book itself (see known_gaps)."},
    {"country": "Namibia", "iso3": "NAM", "category": "identified_total", "cost_class": "<130", "cost_class_unit": "USD/kgU", "red_book_edition": "Uranium 2026 (Red Book, 31st edition)", "as_of": "2025-01-01", "tonnes_u": 392800, "share_of_world_pct": 6.7, "share_of_world_pct_published": 7, "source_url": "https://world-nuclear.org/information-library/nuclear-fuel-cycle/uranium-resources/supply-of-uranium", "source_name": "World Nuclear Association - Supply of Uranium (page updated 29 September 2026), table 'Uranium resources to $130/kg U by country as of January 2025 (reasonably assured resources plus inferred resources)'", "as_of_date": "2026-09-29", "confidence": "high", "notes": "Identified resources = reasonably assured (RAR) + inferred, recoverable at <USD 130/kgU, as of 1 Jan 2025, from the NEA/IAEA Red Book 'Uranium 2026' as republished by WNA (footnote quoted in the dataset header). Red Book primary page: https://www.oecd-nea.org/jcms/pl_121658/uranium-2026-resources-production-and-demand (not fetchable by our tools - robots.txt). RAR/inferred split and the <40, <80 USD/kgU cost classes are only in the Red Book itself (see known_gaps)."},
    {"country": "Niger", "iso3": "NER", "category": "identified_total", "cost_class": "<130", "cost_class_unit": "USD/kgU", "red_book_edition": "Uranium 2026 (Red Book, 31st edition)", "as_of": "2025-01-01", "tonnes_u": 351100, "share_of_world_pct": 5.99, "share_of_world_pct_published": 6, "source_url": "https://world-nuclear.org/information-library/nuclear-fuel-cycle/uranium-resources/supply-of-uranium", "source_name": "World Nuclear Association - Supply of Uranium (page updated 29 September 2026), table 'Uranium resources to $130/kg U by country as of January 2025 (reasonably assured resources plus inferred resources)'", "as_of_date": "2026-09-29", "confidence": "high", "notes": "Identified resources = reasonably assured (RAR) + inferred, recoverable at <USD 130/kgU, as of 1 Jan 2025, from the NEA/IAEA Red Book 'Uranium 2026' as republished by WNA (footnote quoted in the dataset header). Red Book primary page: https://www.oecd-nea.org/jcms/pl_121658/uranium-2026-resources-production-and-demand (not fetchable by our tools - robots.txt). RAR/inferred split and the <40, <80 USD/kgU cost classes are only in the Red Book itself (see known_gaps)."},
    {"country": "China", "iso3": "CHN", "category": "identified_total", "cost_class": "<130", "cost_class_unit": "USD/kgU", "red_book_edition": "Uranium 2026 (Red Book, 31st edition)", "as_of": "2025-01-01", "tonnes_u": 325400, "share_of_world_pct": 5.55, "share_of_world_pct_published": 6, "source_url": "https://world-nuclear.org/information-library/nuclear-fuel-cycle/uranium-resources/supply-of-uranium", "source_name": "World Nuclear Association - Supply of Uranium (page updated 29 September 2026), table 'Uranium resources to $130/kg U by country as of January 2025 (reasonably assured resources plus inferred resources)'", "as_of_date": "2026-09-29", "confidence": "high", "notes": "Identified resources = reasonably assured (RAR) + inferred, recoverable at <USD 130/kgU, as of 1 Jan 2025, from the NEA/IAEA Red Book 'Uranium 2026' as republished by WNA (footnote quoted in the dataset header). Red Book primary page: https://www.oecd-nea.org/jcms/pl_121658/uranium-2026-resources-production-and-demand (not fetchable by our tools - robots.txt). RAR/inferred split and the <40, <80 USD/kgU cost classes are only in the Red Book itself (see known_gaps)."},
    {"country": "South Africa", "iso3": "ZAF", "category": "identified_total", "cost_class": "<130", "cost_class_unit": "USD/kgU", "red_book_edition": "Uranium 2026 (Red Book, 31st edition)", "as_of": "2025-01-01", "tonnes_u": 320900, "share_of_world_pct": 5.47, "share_of_world_pct_published": 5, "source_url": "https://world-nuclear.org/information-library/nuclear-fuel-cycle/uranium-resources/supply-of-uranium", "source_name": "World Nuclear Association - Supply of Uranium (page updated 29 September 2026), table 'Uranium resources to $130/kg U by country as of January 2025 (reasonably assured resources plus inferred resources)'", "as_of_date": "2026-09-29", "confidence": "high", "notes": "Identified resources = reasonably assured (RAR) + inferred, recoverable at <USD 130/kgU, as of 1 Jan 2025, from the NEA/IAEA Red Book 'Uranium 2026' as republished by WNA (footnote quoted in the dataset header). Red Book primary page: https://www.oecd-nea.org/jcms/pl_121658/uranium-2026-resources-production-and-demand (not fetchable by our tools - robots.txt). RAR/inferred split and the <40, <80 USD/kgU cost classes are only in the Red Book itself (see known_gaps)."},
    {"country": "Brazil", "iso3": "BRA", "category": "identified_total", "cost_class": "<130", "cost_class_unit": "USD/kgU", "red_book_edition": "Uranium 2026 (Red Book, 31st edition)", "as_of": "2025-01-01", "tonnes_u": 167800, "share_of_world_pct": 2.86, "share_of_world_pct_published": 3, "source_url": "https://world-nuclear.org/information-library/nuclear-fuel-cycle/uranium-resources/supply-of-uranium", "source_name": "World Nuclear Association - Supply of Uranium (page updated 29 September 2026), table 'Uranium resources to $130/kg U by country as of January 2025 (reasonably assured resources plus inferred resources)'", "as_of_date": "2026-09-29", "confidence": "high", "notes": "Identified resources = reasonably assured (RAR) + inferred, recoverable at <USD 130/kgU, as of 1 Jan 2025, from the NEA/IAEA Red Book 'Uranium 2026' as republished by WNA (footnote quoted in the dataset header). Red Book primary page: https://www.oecd-nea.org/jcms/pl_121658/uranium-2026-resources-production-and-demand (not fetchable by our tools - robots.txt). RAR/inferred split and the <40, <80 USD/kgU cost classes are only in the Red Book itself (see known_gaps)."},
    {"country": "Ukraine", "iso3": "UKR", "category": "identified_total", "cost_class": "<130", "cost_class_unit": "USD/kgU", "red_book_edition": "Uranium 2026 (Red Book, 31st edition)", "as_of": "2025-01-01", "tonnes_u": 161300, "share_of_world_pct": 2.75, "share_of_world_pct_published": 3, "source_url": "https://world-nuclear.org/information-library/nuclear-fuel-cycle/uranium-resources/supply-of-uranium", "source_name": "World Nuclear Association - Supply of Uranium (page updated 29 September 2026), table 'Uranium resources to $130/kg U by country as of January 2025 (reasonably assured resources plus inferred resources)'", "as_of_date": "2026-09-29", "confidence": "high", "notes": "Identified resources = reasonably assured (RAR) + inferred, recoverable at <USD 130/kgU, as of 1 Jan 2025, from the NEA/IAEA Red Book 'Uranium 2026' as republished by WNA (footnote quoted in the dataset header). Red Book primary page: https://www.oecd-nea.org/jcms/pl_121658/uranium-2026-resources-production-and-demand (not fetchable by our tools - robots.txt). RAR/inferred split and the <40, <80 USD/kgU cost classes are only in the Red Book itself (see known_gaps)."},
    {"country": "Mongolia", "iso3": "MNG", "category": "identified_total", "cost_class": "<130", "cost_class_unit": "USD/kgU", "red_book_edition": "Uranium 2026 (Red Book, 31st edition)", "as_of": "2025-01-01", "tonnes_u": 144600, "share_of_world_pct": 2.47, "share_of_world_pct_published": 2, "source_url": "https://world-nuclear.org/information-library/nuclear-fuel-cycle/uranium-resources/supply-of-uranium", "source_name": "World Nuclear Association - Supply of Uranium (page updated 29 September 2026), table 'Uranium resources to $130/kg U by country as of January 2025 (reasonably assured resources plus inferred resources)'", "as_of_date": "2026-09-29", "confidence": "high", "notes": "Identified resources = reasonably assured (RAR) + inferred, recoverable at <USD 130/kgU, as of 1 Jan 2025, from the NEA/IAEA Red Book 'Uranium 2026' as republished by WNA (footnote quoted in the dataset header). Red Book primary page: https://www.oecd-nea.org/jcms/pl_121658/uranium-2026-resources-production-and-demand (not fetchable by our tools - robots.txt). RAR/inferred split and the <40, <80 USD/kgU cost classes are only in the Red Book itself (see known_gaps)."},
    {"country": "Tanzania", "iso3": "TZA", "category": "identified_total", "cost_class": "<130", "cost_class_unit": "USD/kgU", "red_book_edition": "Uranium 2026 (Red Book, 31st edition)", "as_of": "2025-01-01", "tonnes_u": 57700, "share_of_world_pct": 0.98, "share_of_world_pct_published": 1, "source_url": "https://world-nuclear.org/information-library/nuclear-fuel-cycle/uranium-resources/supply-of-uranium", "source_name": "World Nuclear Association - Supply of Uranium (page updated 29 September 2026), table 'Uranium resources to $130/kg U by country as of January 2025 (reasonably assured resources plus inferred resources)'", "as_of_date": "2026-09-29", "confidence": "high", "notes": "Identified resources = reasonably assured (RAR) + inferred, recoverable at <USD 130/kgU, as of 1 Jan 2025, from the NEA/IAEA Red Book 'Uranium 2026' as republished by WNA (footnote quoted in the dataset header). Red Book primary page: https://www.oecd-nea.org/jcms/pl_121658/uranium-2026-resources-production-and-demand (not fetchable by our tools - robots.txt). RAR/inferred split and the <40, <80 USD/kgU cost classes are only in the Red Book itself (see known_gaps)."},
    {"country": "Other countries (Red Book residual)", "iso3": "OTH", "category": "identified_total", "cost_class": "<130", "cost_class_unit": "USD/kgU", "red_book_edition": "Uranium 2026 (Red Book, 31st edition)", "as_of": "2025-01-01", "tonnes_u": 390400, "share_of_world_pct": 6.66, "share_of_world_pct_published": 7, "source_url": "https://world-nuclear.org/information-library/nuclear-fuel-cycle/uranium-resources/supply-of-uranium", "source_name": "World Nuclear Association - Supply of Uranium (page updated 29 September 2026), table 'Uranium resources to $130/kg U by country as of January 2025 (reasonably assured resources plus inferred resources)'", "as_of_date": "2026-09-29", "confidence": "high", "notes": "Identified resources = reasonably assured (RAR) + inferred, recoverable at <USD 130/kgU, as of 1 Jan 2025, from the NEA/IAEA Red Book 'Uranium 2026' as republished by WNA (footnote quoted in the dataset header). Red Book primary page: https://www.oecd-nea.org/jcms/pl_121658/uranium-2026-resources-production-and-demand (not fetchable by our tools - robots.txt). Residual for all other reporting countries; composition not itemised by WNA."},
    {"country": "World", "iso3": "WLD", "category": "identified_total", "cost_class": "<130", "cost_class_unit": "USD/kgU", "red_book_edition": "Uranium 2026 (Red Book, 31st edition)", "as_of": "2025-01-01", "tonnes_u": 5864500, "share_of_world_pct": 100.0, "share_of_world_pct_published": 100, "source_url": "https://world-nuclear.org/information-library/nuclear-fuel-cycle/uranium-resources/supply-of-uranium", "source_name": "World Nuclear Association - Supply of Uranium (page updated 29 September 2026), table 'Uranium resources to $130/kg U by country as of January 2025 (reasonably assured resources plus inferred resources)'", "as_of_date": "2026-09-29", "confidence": "high", "notes": "World total of identified resources recoverable at <USD 130/kgU (RAR + inferred), 1 Jan 2025, Red Book 'Uranium 2026' via WNA."},
    {"country": "World", "iso3": "WLD", "category": "identified_total", "cost_class": "<260", "cost_class_unit": "USD/kgU", "red_book_edition": "Uranium 2026 (Red Book, 31st edition)", "as_of": "2025-01-01", "tonnes_u": 8105000, "share_of_world_pct": 100.0, "share_of_world_pct_published": null, "source_url": "https://world-nuclear.org/information-library/nuclear-fuel-cycle/uranium-resources/supply-of-uranium", "source_name": "World Nuclear Association - Supply of Uranium (page updated 29 September 2026), table 'Uranium resources to $130/kg U by country as of January 2025 (reasonably assured resources plus inferred resources)'", "as_of_date": "2026-09-29", "confidence": "high", "notes": "WNA footnote: 'The total recoverable identified resources to $260/kg U is 8.105 million tonnes U.' NEA/IAEA press material (14 Sep 2026, via WNN https://world-nuclear-news.org/articles/red-book-confident-on-uranium-resources-to-meet-future-growth): identified resources recoverable below USD 260/kgU 'exceed 8.1 million tonnes', up 2.1% on the previous edition. Rounded to the nearest 1,000 tU by the source."}
  ]
}