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Share of land in extreme drought, world

Percent of the world's land with at least one, three or six months of extreme meteorological drought in each year, 1951–2024, estimated by the Lancet Countdown (indicator 1.2.2) from a drought index (SPEI-6, against 1986–2005). The index weighs precipitation against the evaporative demand of the air, so warmer air itself pushes it towards drought. It is not drought caused by climate change, and it does not measure water or crop shortages or the people affected.

Latest value

60.7%

World land, 2024. Version 2025 report.

Share of land in extreme drought, world (percent of land area)

222 values from 1951 to 2024. Lines: At least 1 month, At least 3 months, At least 6 months.
Show as a table
Share of land in extreme drought, world, every value
PeriodMonths of extreme drought in the yearValue (%)Status
1951At least 1 month19.2final
1952At least 1 month19.3final
1953At least 1 month17.2final
1954At least 1 month16.9final
1955At least 1 month14.9final
1956At least 1 month10.8final
1957At least 1 month14.1final
1958At least 1 month15.7final
1959At least 1 month12.4final
1960At least 1 month11.7final
1961At least 1 month13.8final
1962At least 1 month12.1final
1963At least 1 month16.1final
1964At least 1 month13.2final
1965At least 1 month11.3final
1966At least 1 month11.3final
1967At least 1 month14.1final
1968At least 1 month10.7final
1969At least 1 month14.1final
1970At least 1 month10.6final
1971At least 1 month9.0final
1972At least 1 month13.9final
1973At least 1 month15.4final
1974At least 1 month9.6final
1975At least 1 month11.0final
1976At least 1 month10.4final
1977At least 1 month15.3final
1978At least 1 month9.1final
1979At least 1 month10.0final
1980At least 1 month12.3final
1981At least 1 month13.9final
1982At least 1 month13.3final
1983At least 1 month22.5final
1984At least 1 month15.7final
1985At least 1 month13.0final
1986At least 1 month11.4final
1987At least 1 month20.2final
1988At least 1 month18.2final
1989At least 1 month15.0final
1990At least 1 month14.6final
1991At least 1 month20.5final
1992At least 1 month19.7final
1993At least 1 month14.3final
1994At least 1 month18.6final
1995At least 1 month19.0final
1996At least 1 month15.7final
1997At least 1 month22.8final
1998At least 1 month40.1final
1999At least 1 month25.9final
2000At least 1 month21.2final
2001At least 1 month28.5final
2002At least 1 month34.3final
2003At least 1 month31.3final
2004At least 1 month23.5final
2005At least 1 month31.0final
2006At least 1 month31.2final
2007At least 1 month28.2final
2008At least 1 month26.0final
2009At least 1 month31.6final
2010At least 1 month45.2final
2011At least 1 month31.5final
2012At least 1 month37.5final
2013At least 1 month33.8final
2014At least 1 month34.3final
2015At least 1 month46.0final
2016At least 1 month46.3final
2017At least 1 month41.2final
2018At least 1 month42.3final
2019At least 1 month48.2final
2020At least 1 month50.3final
2021At least 1 month44.9final
2022At least 1 month42.8final
2023At least 1 month52.3final
2024At least 1 month60.7final
1951At least 3 months7.6final
1952At least 3 months6.5final
1953At least 3 months6.0final
1954At least 3 months6.3final
1955At least 3 months3.6final
1956At least 3 months3.2final
1957At least 3 months4.3final
1958At least 3 months5.3final
1959At least 3 months4.1final
1960At least 3 months3.4final
1961At least 3 months4.5final
1962At least 3 months3.0final
1963At least 3 months5.8final
1964At least 3 months3.9final
1965At least 3 months3.3final
1966At least 3 months2.9final
1967At least 3 months3.6final
1968At least 3 months3.2final
1969At least 3 months4.1final
1970At least 3 months2.6final
1971At least 3 months2.5final
1972At least 3 months4.5final
1973At least 3 months5.4final
1974At least 3 months2.3final
1975At least 3 months3.5final
1976At least 3 months3.6final
1977At least 3 months4.3final
1978At least 3 months2.7final
1979At least 3 months2.8final
1980At least 3 months4.0final
1981At least 3 months3.1final
1982At least 3 months3.8final
1983At least 3 months9.6final
1984At least 3 months4.6final
1985At least 3 months3.2final
1986At least 3 months3.5final
1987At least 3 months7.3final
1988At least 3 months6.0final
1989At least 3 months5.2final
1990At least 3 months4.8final
1991At least 3 months6.0final
1992At least 3 months8.2final
1993At least 3 months4.4final
1994At least 3 months6.1final
1995At least 3 months6.6final
1996At least 3 months4.9final
1997At least 3 months9.3final
1998At least 3 months19.5final
1999At least 3 months9.6final
2000At least 3 months7.7final
2001At least 3 months11.8final
2002At least 3 months14.2final
2003At least 3 months10.7final
2004At least 3 months6.5final
2005At least 3 months13.2final
2006At least 3 months10.5final
2007At least 3 months12.0final
2008At least 3 months9.3final
2009At least 3 months13.4final
2010At least 3 months25.5final
2011At least 3 months14.3final
2012At least 3 months18.5final
2013At least 3 months15.6final
2014At least 3 months15.3final
2015At least 3 months26.0final
2016At least 3 months29.0final
2017At least 3 months22.6final
2018At least 3 months21.6final
2019At least 3 months29.0final
2020At least 3 months31.4final
2021At least 3 months28.0final
2022At least 3 months24.9final
2023At least 3 months35.1final
2024At least 3 months41.3final
1951At least 6 months1.4final
1952At least 6 months1.1final
1953At least 6 months1.2final
1954At least 6 months1.4final
1955At least 6 months0.6final
1956At least 6 months0.8final
1957At least 6 months0.8final
1958At least 6 months1.1final
1959At least 6 months1.1final
1960At least 6 months0.6final
1961At least 6 months0.8final
1962At least 6 months0.5final
1963At least 6 months1.1final
1964At least 6 months0.5final
1965At least 6 months0.6final
1966At least 6 months0.5final
1967At least 6 months0.6final
1968At least 6 months0.5final
1969At least 6 months1.0final
1970At least 6 months0.4final
1971At least 6 months0.3final
1972At least 6 months0.8final
1973At least 6 months1.1final
1974At least 6 months0.4final
1975At least 6 months1.1final
1976At least 6 months0.7final
1977At least 6 months0.5final
1978At least 6 months0.8final
1979At least 6 months0.6final
1980At least 6 months0.6final
1981At least 6 months0.3final
1982At least 6 months0.5final
1983At least 6 months3.1final
1984At least 6 months0.8final
1985At least 6 months0.7final
1986At least 6 months0.7final
1987At least 6 months1.2final
1988At least 6 months1.3final
1989At least 6 months1.1final
1990At least 6 months0.7final
1991At least 6 months1.5final
1992At least 6 months3.1final
1993At least 6 months1.0final
1994At least 6 months1.4final
1995At least 6 months1.7final
1996At least 6 months1.0final
1997At least 6 months2.7final
1998At least 6 months7.1final
1999At least 6 months2.3final
2000At least 6 months2.0final
2001At least 6 months3.0final
2002At least 6 months3.2final
2003At least 6 months2.5final
2004At least 6 months1.4final
2005At least 6 months3.5final
2006At least 6 months2.0final
2007At least 6 months3.8final
2008At least 6 months2.8final
2009At least 6 months4.5final
2010At least 6 months9.9final
2011At least 6 months4.2final
2012At least 6 months6.8final
2013At least 6 months5.0final
2014At least 6 months5.8final
2015At least 6 months10.1final
2016At least 6 months14.6final
2017At least 6 months9.2final
2018At least 6 months9.3final
2019At least 6 months15.0final
2020At least 6 months13.2final
2021At least 6 months15.0final
2022At least 6 months10.8final
2023At least 6 months16.9final
2024At least 6 months22.8final
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; indicator 1.2.1 by R. Hänninen, M. Sofiev and R. Kouznetsov; indicator 1.2.2 by M. Romanello and M. Walawender; indicator 1.2.3 by K. Minor and N. Obradovich; indicator 3.2.1 by G. Kiesewetter and S. Zhang. Romanello et al., The Lancet, 2025, doi:10.1016/S0140-6736(25)01919-1. CC BY-NC-SA 4.0. CC BY-NC-SA 4.0.

Where it comes from

Producer
Lancet Countdown on Health and Climate Change (led by University College London) · Lancet Countdown 2025: heat, wildfire smoke, drought, extreme rain and deaths from air pollution
Version
2025 report
Fetched
2026-10-12 (automatically), 678,499 bytes
Fingerprint
sha256 3e9f7cb9aebc8c867703ee672c99e692c0a830096b14b4a4272ab7f1e5817f42ETag "a5a63-64240eaee98cf" · Last-Modified Wed, 29 Oct 2025 00:07:27 GMT
Cite the producer
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.

What was done to it

  1. Read the sheet '2025 Report Data_Global' of the indicator 1.2.2 (drought) workbook of the Lancet Countdown 2025 report, 1951–2024: the percent of the world's land area with at least 1, 3 and 6 months of extreme drought in each year (Percent_in_drought by Months), published as in the workbook.

    Code: pipeline/src/envdash/transforms/impacts/lancet_countdown.py · code sha256 fecaf0b937e79c60… · inputs 3e9f7cb9aebc…

  2. Checked that every year has each duration once and that the share falls (or stays level) as the duration lengthens. The 12-month share is not published: it reads NA in 15 of the 74 years.

    Code: pipeline/src/envdash/transforms/impacts/lancet_countdown.py · code sha256 fecaf0b937e79c60… · inputs 3e9f7cb9aebc…

What it covers

Geography
World land
Basis
Extreme meteorological drought by the 6-month Standardised Precipitation-Evapotranspiration Index (SPEI, CSIC; the workbook does not name the version), an estimated index from gridded station data, compared with its 1986–2005 baseline. Meteorological drought only: the producer notes that it does not capture hydrological or agricultural drought, nor the population living in, or depending on, drought-affected areas. The 12-month share is not published (NA in 15 of 74 years).
Unit
percent of land area (%)