Industrial Wastewater — Emissions (CH4) in Annex I countries

Annex I countries: Industrial Wastewater — Emissions (CH4) was 1,271 kt in 2023. ▼ Falling

Latest (2023)
1,271 kt
Change on year
unchanged
Rank
4th
of 32 groups
All-time high
2,700 kt
in 2001
All-time low
1,271 kt
in 2021
Years of data
34
1990–2023

Industrial Wastewater — Emissions in Annex I countries, 1990–2023

01.0k2.0k3.0k1990200620231990: 2.3k kt1991: 2.3k kt1992: 2.2k kt1993: 2.2k kt1994: 1.9k kt1995: 2.0k kt1996: 2.0k kt1997: 1.5k kt1998: 2.4k kt1999: 2.3k kt2000: 2.7k kt2001: 2.7k kt2002: 2.1k kt2003: 2.4k kt2004: 2.2k kt2005: 2.2k kt2006: 2.2k kt2007: 2.1k kt2008: 1.6k kt2009: 1.7k kt2010: 1.7k kt2011: 1.6k kt2012: 1.6k kt2013: 1.9k kt2014: 1.8k kt2015: 1.8k kt2016: 1.3k kt2017: 1.3k kt2018: 1.3k kt2019: 1.3k kt2020: 1.3k kt2021: 1.3k kt2022: 1.3k kt2023: 1.3k kt

Source: Food and Agriculture Organization of the United Nations. Measured in kt.

Analysis

In 2023, industrial wastewater — emissions in Annex I countries stood at 1,271 kt. That is the lowest value across all 34 years on record.

The figure is down 33.4% over ten years.

Over the whole period, industrial wastewater — emissions in Annex I countries peaked at 2,700 kt in 2001 and was at its lowest, 1,271 kt, in 2021.

Annex I countries ranks 4th of 32 groups on this measure, in the top 10%.

The long-run direction has been consistently falling across the 34 years of available data.

Industrial Wastewater — Emissions (CH4) in Annex I countries, year by year

Annual values for Industrial Wastewater — Emissions (CH4) in Annex I countries, 1990 to 2023.
Year kt Change
1990 2,317 kt —
1991 2,314 kt -0.2%
1992 2,230 kt -3.6%
1993 2,220 kt -0.4%
1994 1,942 kt -12.5%
1995 2,017 kt +3.9%
1996 2,008 kt -0.5%
1997 1,510 kt -24.8%
1998 2,437 kt +61.4%
1999 2,292 kt -5.9%
2000 2,677 kt +16.8%
2001 2,700 kt +0.9%
2002 2,110 kt -21.8%
2003 2,408 kt +14.1%
2004 2,220 kt -7.8%
2005 2,200 kt -0.9%
2006 2,187 kt -0.6%
2007 2,094 kt -4.3%
2008 1,647 kt -21.3%
2009 1,673 kt +1.6%
2010 1,672 kt -0.1%
2011 1,602 kt -4.2%
2012 1,605 kt +0.1%
2013 1,909 kt +18.9%
2014 1,807 kt -5.3%
2015 1,803 kt -0.3%
2016 1,277 kt -29.1%
2017 1,272 kt -0.5%
2018 1,273 kt +0.2%
2019 1,273 kt +0.0%
2020 1,273 kt +0.0%
2021 1,271 kt -0.2%
2022 1,271 kt +0.0%
2023 1,271 kt +0.0%

Biggest year-on-year movements

Years where Industrial Wastewater — Emissions (CH4) in Annex I countries changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.

YearChange FromTo
1998 +61.4% 1,510 kt 2,437 kt
2016 -29.1% 1,803 kt 1,277 kt

Averages by decade

DecadeAverage LowestHighest Years
1990s 2,129 kt 1,510 kt 2,437 kt 10
2000s 2,192 kt 1,647 kt 2,700 kt 10
2010s 1,549 kt 1,272 kt 1,909 kt 10
2020s 1,271 kt 1,271 kt 1,273 kt 4

Countries ranked near Annex I countries

  1. 1 OECD 2,045 kt compare
  2. 2 Mexico 700.43 kt compare
  3. 3 Brazil 547.2 kt compare
  4. 4 China 322.71 kt compare
  5. 5 China, mainland 316.43 kt compare
  6. 6 Türkiye 272.52 kt compare
  7. 7 Poland 225.78 kt compare

See the full ranking of 258 places →

More climate change data for Annex I countries

All data for Annex I countries →

Frequently asked questions

What is industrial wastewater — emissions in Annex I countries?
Industrial wastewater — emissions in Annex I countries was 1,271 kt in 2023, according to Food and Agriculture Organization of the United Nations.
What is the highest industrial wastewater — emissions recorded in Annex I countries?
The highest recorded value was 2,700 kt in 2001.
What is the lowest industrial wastewater — emissions recorded in Annex I countries?
The lowest recorded value was 1,271 kt in 2021.
How does Annex I countries rank for industrial wastewater — emissions?
Annex I countries ranks 4th out of 32 groups with data for 2023.
Is industrial wastewater — emissions rising or falling in Annex I countries?
Over the last ten years it is down 33.4%. The long-run trend across the full record is falling.
Where does this Annex I countries data come from?
The figures come from Food and Agriculture Organization of the United Nations, published as part of Industrial Wastewater — Emissions (CH4). Statizoid updates them automatically from the source API.

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Industrial Wastewater — Emissions in Annex I countries. Statizoid, drawing on Food and Agriculture Organization of the United Nations. Retrieved 15 November 2026, from https://climate.statizoid.com/stat/industrial-wastewater-emissions-ch4/annex-i-countries/

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About this data

Indicator
Industrial Wastewater — Emissions (CH4)
Unit
kt
Source
Food and Agriculture Organization of the United Nations
Licence
CC BY-NC-SA 3.0 IGO (FAO)
Coverage
258 places, 8,553 data points, 1990–2023
Last refreshed

The FAOSTAT domain Emissions from Pre- and Post-Agricultural Production provides estimates of greenhouse gas (GHG) emissions and related activity data associated with pre- and post-production stages of agrifood systems. The domain includes methane (CH4), nitrous oxide (N2O), carbon dioxide (CO2), fluorinated gases (F-gases) and their aggregates expressed in carbon dioxide equivalent (CO2eq). Estimates are computed following Tier 1 methods of the IPCC Guidelines for National Greenhouse Gas Inventories (IPCC, 1996; 1997; 2000; 2002; 2006; 2014) and are disseminated annually.