Annex I countries vs OECD: Industrial Wastewater — Emissions

Annex I countries
1,271 kt
in 2023
OECD
2,045 kt
in 2023
Annex I countries rank
4th
OECD rank
1st

Industrial Wastewater — Emissions over time

  • Annex I countries
  • OECD
01.0k2.0k3.0k199020062023

How they compare

OECD currently reports 2,045 kt against 1,271 kt in Annex I countries, a difference of 774 kt.

That makes OECD's figure about 1.6 times Annex I countries's.

Across all 34 years both countries report, OECD has been ahead every year.

Annex I countries ranks 4th and OECD ranks 1st of 36 groups.

OECD has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade Annex I countries OECD Difference Ahead
1990s 2,129 kt 2,332 kt 202.82 kt OECD
2000s 2,192 kt 2,635 kt 443.29 kt OECD
2010s 1,549 kt 2,289 kt 740.09 kt OECD
2020s 1,271 kt 2,046 kt 774.95 kt OECD

Averages of every year both report within each decade.

Frequently asked questions

Which has higher industrial wastewater — emissions, Annex I countries or OECD?
OECD, at 2,045 kt against 1,271 kt in Annex I countries as of 2023.
What is the difference in industrial wastewater — emissions between Annex I countries and OECD?
774 kt, with OECD ahead.
How many years of comparable data are there for Annex I countries and OECD?
34 years are reported by both, from 1990 to 2023.
How do Annex I countries and OECD rank globally for industrial wastewater — emissions?
Annex I countries ranks 4th and OECD ranks 1st of 36 groups.
Where does this data come from?
Food and Agriculture Organization of the United Nations, published as Industrial Wastewater — Emissions (CH4). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Annex I countries vs OECD: Industrial Wastewater — Emissions. Statizoid, drawing on Food and Agriculture Organization of the United Nations. Retrieved 16 August 2026, from https://climate.statizoid.com/compare/industrial-wastewater-emissions-ch4/annex-i-countries/oecd/

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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.