Change in the consumption of ozone-depleting substances in Comoros
Comoros: Change in the consumption of ozone-depleting substances was 1.38 in 2021. ◆ Volatile
Change in the consumption of ozone-depleting substances in Comoros, 1986–2021
Source: UN Environment Programme (2023) – processed by Our World in Data.
Analysis
Comoros recorded 1.38 for change in the consumption of ozone-depleting substances in 2021. That is the lowest value across all 30 years on record.
Compared with earlier readings it is down 19.8% on the previous year and down 66.7% over ten years.
Over the whole period, change in the consumption of ozone-depleting substances in Comoros peaked at 124.14 in 1998 and was at its lowest, 1.38, in 2021.
That places Comoros 101st out of 162 countries with data for 2021, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Change in the consumption of ozone-depleting substances in Comoros, year by year
| Year | Value | Change |
|---|---|---|
| 1986 | 100 | — |
| 1989 | 24.14 | -75.9% |
| 1991 | 44.83 | +85.7% |
| 1995 | 79.31 | +76.9% |
| 1996 | 79.31 | +0.0% |
| 1997 | 100 | +26.1% |
| 1998 | 124.14 | +24.1% |
| 1999 | 89.66 | -27.8% |
| 2000 | 96.55 | +7.7% |
| 2001 | 68.97 | -28.6% |
| 2002 | 65.52 | -5.0% |
| 2003 | 44.83 | -31.6% |
| 2004 | 41.38 | -7.7% |
| 2005 | 34.48 | -16.7% |
| 2006 | 31.03 | -10.0% |
| 2007 | 13.79 | -55.6% |
| 2008 | 3.45 | -75.0% |
| 2009 | 3.45 | +0.0% |
| 2010 | 3.45 | +0.0% |
| 2011 | 4.14 | +20.0% |
| 2012 | 3.79 | -8.5% |
| 2013 | 4.14 | +9.2% |
| 2014 | 4.83 | +16.7% |
| 2015 | 3.45 | -28.6% |
| 2016 | 3.1 | -10.1% |
| 2017 | 2.41 | -22.3% |
| 2018 | 2.07 | -14.1% |
| 2019 | 1.72 | -16.9% |
| 2020 | 1.72 | +0.0% |
| 2021 | 1.38 | -19.8% |
Comoros compared with similar countries
- Comoros's 1.38 is below the median for lower middle income countries, which is 5.05, 27% of the median. (43 countries reporting)
- Comoros's 1.38 is below the median for Sub-Saharan Africa, which is 4.01, 34% of the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 62.07 | 24.14 | 100 | 2 |
| 1990s | 86.21 | 44.83 | 124.14 | 6 |
| 2000s | 40.34 | 3.45 | 96.55 | 10 |
| 2010s | 3.31 | 1.72 | 4.83 | 10 |
| 2020s | 1.55 | 1.38 | 1.72 | 2 |
Countries ranked near Comoros
More environment data for Comoros
- Historical exposure to drought — Land soil moisture anomaly -9.29 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -6.9 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.264 °C (2025)
- Temperature change 1.59 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 1.33 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), annual growth rate 0 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
Frequently asked questions
- What is change in the consumption of ozone-depleting substances in Comoros?
- Change in the consumption of ozone-depleting substances in Comoros was 1.38 in 2021, according to UN Environment Programme (2023) – processed by Our World in Data.
- What is the highest change in the consumption of ozone-depleting substances recorded in Comoros?
- The highest recorded value was 124.14 in 1998.
- What is the lowest change in the consumption of ozone-depleting substances recorded in Comoros?
- The lowest recorded value was 1.38 in 2021.
- How does Comoros rank for change in the consumption of ozone-depleting substances?
- Comoros ranks 101st out of 162 countries with data for 2021.
- Is change in the consumption of ozone-depleting substances rising or falling in Comoros?
- Over the last ten years it is down 66.7%. The long-run trend across the full record is volatile.
- Where does this Comoros data come from?
- The figures come from UN Environment Programme (2023) – processed by Our World in Data, published as part of Change in the consumption of ozone-depleting substances. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 30 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Consumption of various controlled substances. These include Bromochloromethane (BCM), Carbon Tetrachloride (CTC), Chlorofluorocarbons (CFCs), Hydrobromofluorocarbons (HBFCs), Hydrochlorofluorocarbons (HCFCs), Hydrofluorocarbons (HFCs), Methyl Bromide (MB), Methyl Chloroform (TCA) and Other Fully Halogenated CFCs. This is measured as an index relative to emissions in the year 1986 (1986 = 100).