{
  "attribution": "Lancet Countdown on Health and Climate Change, 2025 report data: indicator 1.1.1 by A. J. Pershing and J. Giguere (attributable heatwave days) and by F. Tartarini and O. Jay (vulnerable populations); indicator 1.1.3 by C. Freyberg, B. Lemke and M. Otto; indicator 1.1.5 by J. Ballester, X. Basagaña and J. Ruiz-Cabrejos. Romanello et al., The Lancet, 2025, doi:10.1016/S0140-6736(25)01919-1. CC BY-NC-SA 4.0.",
  "description": "Deaths attributable to heat each year worldwide, 1990–2021, as estimated by the Lancet Countdown (indicator 1.1.5). The numbers are modelled from temperature–mortality relationships, not counted.",
  "dimensions": [],
  "display": {
    "decimals": 0
  },
  "geo_coverage": "global-only",
  "headline_entity": "WLD",
  "id": "heat.lancet-2025.deaths-global",
  "kind": "series",
  "latest": {
    "age_bp": null,
    "dims": {},
    "entity": "WLD",
    "period": "2021",
    "status": "final",
    "value": 558304.0
  },
  "licence": {
    "name": "CC BY-NC-SA 4.0",
    "spdx": "CC-BY-NC-SA-4.0",
    "url": "https://creativecommons.org/licenses/by-nc-sa/4.0/"
  },
  "licence_class": "noncommercial",
  "notes": [],
  "notice": "Licensed CC BY-NC-SA 4.0 (https://creativecommons.org/licenses/by-nc-sa/4.0/): non-commercial use only, and anything built from these figures must be shared under the same licence. These indicators are computed from ERA5 and contain modified Copernicus Climate Change Service information 2025; neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.",
  "origins": [
    {"acquisition": "automatic", "artifact_id": "heat-mortality-1-1-5", "bytes": 137358, "citation_full": "Romanello M, Walawender M, Hsu S-C, et al. The 2025 report of the Lancet Countdown on health and climate change. Lancet 2025; published online Oct 29. https://doi.org/10.1016/S0140-6736(25)01919-1.", "date_accessed": "2026-10-04", "date_published": "2025-10-29", "doi": "10.1016/S0140-6736(25)01919-1", "etag": "\"2188e-6425ae150d7bd\"", "last_modified": "Thu, 30 Oct 2025 07:05:54 GMT", "licence": {"name": "CC BY-NC-SA 4.0", "spdx": "CC-BY-NC-SA-4.0", "url": "https://creativecommons.org/licenses/by-nc-sa/4.0/"}, "producer": "Lancet Countdown on Health and Climate Change (led by University College London)", "r2_url": "https://files.environmentdashboard.org/raw/f6a18bdec8434973269c095727a13a0375e78b0e674124cf8c9827ec267131e0.zst", "sha256": "f6a18bdec8434973269c095727a13a0375e78b0e674124cf8c9827ec267131e0", "source_id": "lancet-countdown-2025", "title": "Lancet Countdown 2025: heat-related deaths, work hours lost to heat and heatwave exposure", "url_download": "https://lancetcountdown.org/wp-content/uploads/2025/10/Indicator-1.1.5_Data-Download_2025-Lancet-Countdown-Report-1.xlsx", "url_main": "https://lancetcountdown.org/explore-our-data/", "version_producer": "2025 report", "wayback_url": null}
  ],
  "processing": [
    {
      "description": "Read the AN column (number of deaths attributable to heat) of the sheet '2025 Report Data_Global' of the indicator 1.1.5 workbook of the Lancet Countdown 2025 report, one value a year 1990–2021. Values are published as in the workbook.",
      "inputs": ["f6a18bdec8434973269c095727a13a0375e78b0e674124cf8c9827ec267131e0"],
      "lock_sha256": "7e110986c30381965c2e6096466c401cbf72bd1b7a828369f6f6c14c909dcbda",
      "script": "pipeline/src/envdash/transforms/impacts/lancet_countdown.py",
      "transform_sha256": "fd77ef680e8092050c0cd18a7df087fce266b78940d637009930508e0de3e676"
    },
    {
      "description": "The workbook's guidance sheet gives the unit of AN as deaths. The share of all deaths (AF) and the regional sheets are not published here.",
      "inputs": ["f6a18bdec8434973269c095727a13a0375e78b0e674124cf8c9827ec267131e0"],
      "lock_sha256": "7e110986c30381965c2e6096466c401cbf72bd1b7a828369f6f6c14c909dcbda",
      "script": "pipeline/src/envdash/transforms/impacts/lancet_countdown.py",
      "transform_sha256": "fd77ef680e8092050c0cd18a7df087fce266b78940d637009930508e0de3e676"
    }
  ],
  "published_value": null,
  "schema_version": 1,
  "scope": {
    "baseline": null,
    "basis": "Modelled in three stages (Zhao et al. 2021): the association between temperature and mortality estimated in each location, pooled by multilevel meta-regression, and predicted for all countries. Inputs include ERA5 temperatures, UN population data, the World Mortality Dataset and the Global Burden of Disease Study 2021.",
    "bunkers": null,
    "geography": "World",
    "gwp": null,
    "lulucf": null
  },
  "superseded_by": null,
  "table": {
    "dims": {},
    "entity": ["WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD", "WLD"],
    "period": ["1990", "1991", "1992", "1993", "1994", "1995", "1996", "1997", "1998", "1999", "2000", "2001", "2002", "2003", "2004", "2005", "2006", "2007", "2008", "2009", "2010", "2011", "2012", "2013", "2014", "2015", "2016", "2017", "2018", "2019", "2020", "2021"],
    "status": ["final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final", "final"],
    "value": [260952.0, 309995.0, 318293.0, 278906.0, 354884.0, 398883.0, 285125.0, 258013.0, 574110.0, 307742.0, 278617.0, 287022.0, 402404.0, 461538.0, 329810.0, 516926.0, 390253.0, 425991.0, 294318.0, 455614.0, 721588.0, 359081.0, 504462.0, 458251.0, 448321.0, 509489.0, 676006.0, 551282.0, 507062.0, 701303.0, 540304.0, 558304.0]
  },
  "time_basis": "calendar",
  "title": "Heat-related deaths, world",
  "unit": {
    "code": "deaths",
    "label": "deaths",
    "short": "deaths"
  },
  "vintage": "2025 report"
}