Change in the consumption of ozone-depleting substances in Tanzania
Tanzania: Change in the consumption of ozone-depleting substances was 2.21 in 2021. ◆ Volatile
Change in the consumption of ozone-depleting substances in Tanzania, 1986–2021
Source: UN Environment Programme (2023) – processed by Our World in Data.
Analysis
In 2021, change in the consumption of ozone-depleting substances in Tanzania stood at 2.21. That is the lowest value across all 31 years on record.
Compared with earlier readings it is down 12.6% on the previous year and down 91.0% over ten years.
Over the whole period, change in the consumption of ozone-depleting substances in Tanzania peaked at 730.96 in 1996 and was at its lowest, 2.21, in 2021.
That places Tanzania 91st 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 Tanzania, year by year
| Year | Value | Change |
|---|---|---|
| 1986 | 100 | — |
| 1989 | 220.88 | +120.9% |
| 1993 | 462.65 | +109.5% |
| 1994 | 653.81 | +41.3% |
| 1995 | 698.03 | +6.8% |
| 1996 | 730.96 | +4.7% |
| 1997 | 553.32 | -24.3% |
| 1998 | 323.83 | -41.5% |
| 1999 | 244.72 | -24.4% |
| 2000 | 529.48 | +116.4% |
| 2001 | 322.36 | -39.1% |
| 2002 | 175.68 | -45.5% |
| 2003 | 364.13 | +107.3% |
| 2004 | 242.75 | -33.3% |
| 2005 | 256.27 | +5.6% |
| 2006 | 146.93 | -42.7% |
| 2007 | 84.03 | -42.8% |
| 2008 | 54.79 | -34.8% |
| 2009 | 28.75 | -47.5% |
| 2010 | 4.91 | -82.9% |
| 2011 | 24.5 | +399.0% |
| 2012 | 23.22 | -5.2% |
| 2013 | 4.03 | -82.6% |
| 2014 | 3.19 | -20.8% |
| 2015 | 2.9 | -9.1% |
| 2016 | 2.83 | -2.4% |
| 2017 | 2.83 | +0.0% |
| 2018 | 2.8 | -1.1% |
| 2019 | 2.8 | +0.0% |
| 2020 | 2.53 | -9.6% |
| 2021 | 2.21 | -12.6% |
Tanzania compared with similar countries
- Tanzania's 2.21 is below the median for lower middle income countries, which is 5.05, 44% of the median. (43 countries reporting)
- Tanzania's 2.21 is below the median for Sub-Saharan Africa, which is 4.01, 55% of the median. (48 countries reporting)
Biggest year-on-year movements
Years where Change in the consumption of ozone-depleting substances in Tanzania 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.
| Year | Change | From | To |
|---|---|---|---|
| 2011 | +399.0% | 4.91 | 24.5 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 160.44 | 100 | 220.88 | 2 |
| 1990s | 523.9 | 244.72 | 730.96 | 7 |
| 2000s | 220.52 | 28.75 | 529.48 | 10 |
| 2010s | 7.4 | 2.8 | 24.5 | 10 |
| 2020s | 2.37 | 2.21 | 2.53 | 2 |
Countries ranked near Tanzania
More environment data for Tanzania
- Historical exposure to drought — Land soil moisture anomaly -7.52 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -7.29 Percentage change (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 3.06 % 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 5.16 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Building (Energy) (Mt CO2e), annual 0 % change on previous year (2024)
- Methane (CH4) emissions from Building (Energy) (Mt CO2e), per unit of 0 Mt CO2e per US$ of GDP (2024)
Frequently asked questions
- What is change in the consumption of ozone-depleting substances in Tanzania?
- Change in the consumption of ozone-depleting substances in Tanzania was 2.21 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 Tanzania?
- The highest recorded value was 730.96 in 1996.
- What is the lowest change in the consumption of ozone-depleting substances recorded in Tanzania?
- The lowest recorded value was 2.21 in 2021.
- How does Tanzania rank for change in the consumption of ozone-depleting substances?
- Tanzania ranks 91st out of 162 countries with data for 2021.
- Is change in the consumption of ozone-depleting substances rising or falling in Tanzania?
- Over the last ten years it is down 91.0%. The long-run trend across the full record is volatile.
- Where does this Tanzania 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 — 31 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).