Industrial Wastewater — Emissions in Annex I countries

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

Latest (2023)
1,271 kt
Change on year
unchanged
Rank
4th
of 31 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 31 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 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 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. 2 Türkiye 272.52 kt compare
  4. 3 Brazil 547.2 kt compare
  5. 3 Iran (Islamic Republic of) 82.88 kt compare
  6. 4 China 322.71 kt compare
  7. 5 China, mainland 316.43 kt compare
  8. 6 Poland 225.78 kt compare
  9. 6 Syrian Arab Republic 14.87 kt compare
  10. 7 Republic of Korea 180.34 kt compare
  11. 7 Republic of Moldova 14.77 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 31 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 27 September 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 on Emissions from Pre- and post- agricultural production includes the greenhouse gas (GHG) emissions, and related activity data, generated from pre- and post-agriculture production stages of the agri-food systems. Data are computed following the Tier 1 methods of the Intergovernmental Panel on Climate Change (IPCC) Guidelines for National greenhouse gas (GHG) Inventories (IPCC, 1996; 1997; 2000; 2002; 2006; 2014). The domain includes methane (CH4), nitrous oxide (N2O), carbon dioxide (CO2) and CO2 equivalent (CO2eq) emissions from the above activities as well as the aggregate fluorinated gases (F-gases) emissions. Estimates are available by country, with global coverage and are updated annually.The FAOSTAT domain disseminates information estimates of CH4, N2O, CO2 emissions, F-gases, their aggregates in CO2eq in units of kilotonnes (kt, or 10^6 kg), and the underlying activity data. CO2eq emissions are computed by using the IPCC Fifth Assessment report global warming potentials, AR5 (IPCC, 2014). Data are available for most countries and territories, for standard FAOSTAT regional aggregations, and for Annex I and non-Annex I country groups.