Heating Degree Days, annual growth rate in Iran
Iran: Heating Degree Days, annual growth rate was 6.18 % change on previous year in 2024. ◆ Volatile
Heating Degree Days, annual growth rate in Iran, 1961–2024
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
Iran recorded 6.18 % change on previous year for heating degree days, annual growth rate in 2024.
Compared with earlier readings it is up 415.9% on the previous year and down 40.4% over ten years.
Over the whole period, heating degree days, annual growth rate in Iran peaked at 31.13 % change on previous year in 1964 and was at its lowest, -17.65 % change on previous year, in 1965.
That places Iran 25th out of 154 countries with data for 2024, putting it in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Heating Degree Days, annual growth rate in Iran, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1961 | 6.73 % change on previous year | — |
| 1962 | -9.37 % change on previous year | -239.3% |
| 1963 | -3.71 % change on previous year | -60.4% |
| 1964 | 31.13 % change on previous year | -939.5% |
| 1965 | -17.65 % change on previous year | -156.7% |
| 1966 | -12.83 % change on previous year | -27.3% |
| 1967 | 22.39 % change on previous year | -274.5% |
| 1968 | -5.56 % change on previous year | -124.8% |
| 1969 | 0.3252 % change on previous year | -105.8% |
| 1970 | -10.76 % change on previous year | -3407.6% |
| 1971 | 5.55 % change on previous year | -151.6% |
| 1972 | 26.9 % change on previous year | +384.6% |
| 1973 | -16.33 % change on previous year | -160.7% |
| 1974 | 10.27 % change on previous year | -162.9% |
| 1975 | -2.88 % change on previous year | -128.0% |
| 1976 | 0.5151 % change on previous year | -117.9% |
| 1977 | -11.67 % change on previous year | -2365.4% |
| 1978 | -3.62 % change on previous year | -69.0% |
| 1979 | 5.78 % change on previous year | -259.6% |
| 1980 | -0.5164 % change on previous year | -108.9% |
| 1981 | -2.2 % change on previous year | +326.6% |
| 1982 | 27.1 % change on previous year | -1330.1% |
| 1983 | -7.28 % change on previous year | -126.9% |
| 1984 | -0.4154 % change on previous year | -94.3% |
| 1985 | -9.8 % change on previous year | +2258.5% |
| 1986 | 11.7 % change on previous year | -219.4% |
| 1987 | -14.44 % change on previous year | -223.5% |
| 1988 | 1.9 % change on previous year | -113.1% |
| 1989 | 10.03 % change on previous year | +428.5% |
| 1990 | -8.9 % change on previous year | -188.7% |
| 1991 | -1.73 % change on previous year | -80.5% |
| 1992 | 15.7 % change on previous year | -1006.4% |
| 1993 | -10.15 % change on previous year | -164.7% |
| 1994 | -8.95 % change on previous year | -11.8% |
| 1995 | -0.6096 % change on previous year | -93.2% |
| 1996 | 6.42 % change on previous year | -1152.5% |
| 1997 | -0.3442 % change on previous year | -105.4% |
| 1998 | -11.81 % change on previous year | +3331.5% |
| 1999 | 0.0354 % change on previous year | -100.3% |
| 2000 | 6.47 % change on previous year | +18196.5% |
| 2001 | -13.13 % change on previous year | -302.8% |
| 2002 | 9.12 % change on previous year | -169.5% |
| 2003 | 2.23 % change on previous year | -75.5% |
| 2004 | -5.69 % change on previous year | -354.8% |
| 2005 | 7.44 % change on previous year | -230.9% |
| 2006 | -0.8508 % change on previous year | -111.4% |
| 2007 | 3.13 % change on previous year | -468.4% |
| 2008 | 4.78 % change on previous year | +52.4% |
| 2009 | -10.92 % change on previous year | -328.5% |
| 2010 | -15.19 % change on previous year | +39.1% |
| 2011 | 29.49 % change on previous year | -294.2% |
| 2012 | -1.84 % change on previous year | -106.2% |
| 2013 | -9.53 % change on previous year | +418.3% |
| 2014 | 10.37 % change on previous year | -208.8% |
| 2015 | -10.24 % change on previous year | -198.8% |
| 2016 | -4.57 % change on previous year | -55.4% |
| 2017 | 5.36 % change on previous year | -217.4% |
| 2018 | -9.41 % change on previous year | -275.6% |
| 2019 | 14.5 % change on previous year | -254.1% |
| 2020 | 4.35 % change on previous year | -70.0% |
| 2021 | -15.78 % change on previous year | -463.1% |
| 2022 | -0.2104 % change on previous year | -98.7% |
| 2023 | -1.95 % change on previous year | +828.9% |
| 2024 | 6.18 % change on previous year | -415.9% |
Iran compared with similar countries
- Iran's 6.18 % change on previous year is above the median for upper middle income countries, which is -3.68 % change on previous year. (43 countries reporting)
- Iran's 6.18 % change on previous year is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is -0.6386 % change on previous year. (22 countries reporting)
Biggest year-on-year movements
Years where Heating Degree Days, annual growth rate in Iran 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 |
|---|---|---|---|
| 2000 | +18196.5% | 0.0354 % change on previous year | 6.47 % change on previous year |
| 1970 | -3407.6% | 0.3252 % change on previous year | -10.76 % change on previous year |
| 1998 | -3331.5% | -0.3442 % change on previous year | -11.81 % change on previous year |
| 1977 | -2365.4% | 0.5151 % change on previous year | -11.67 % change on previous year |
| 1985 | -2258.5% | -0.4154 % change on previous year | -9.8 % change on previous year |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 1.27 % change on previous year | -17.65 % change on previous year | 31.13 % change on previous year | 9 |
| 1970s | 0.3764 % change on previous year | -16.33 % change on previous year | 26.9 % change on previous year | 10 |
| 1980s | 1.61 % change on previous year | -14.44 % change on previous year | 27.1 % change on previous year | 10 |
| 1990s | -2.03 % change on previous year | -11.81 % change on previous year | 15.7 % change on previous year | 10 |
| 2000s | 0.2596 % change on previous year | -13.13 % change on previous year | 9.12 % change on previous year | 10 |
| 2010s | 0.8943 % change on previous year | -15.19 % change on previous year | 29.49 % change on previous year | 10 |
| 2020s | -1.48 % change on previous year | -15.78 % change on previous year | 6.18 % change on previous year | 5 |
Countries ranked near Iran
- 22 Egypt 7.11 % change on previous year compare
- 23 Kazakhstan 7.09 % change on previous year compare
- 24 Argentina 6.67 % change on previous year compare
- 26 Oman 6.04 % change on previous year compare
- 27 New Zealand 5.61 % change on previous year compare
- 28 France 5.59 % change on previous year compare
More environment data for Iran
- Historical exposure to drought — Land soil moisture anomaly -30.46 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -21.27 Percentage change (2025)
- Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), annual 6.21 % change on previous year (2024)
- Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Power Industry (Energy) (Mt CO2e) 4.44 % change on previous year (2024)
- Methane (CH4) emissions from Power Industry (Energy) (Mt CO2e), per 0 Mt CO2e per US$ of GDP (2024)
- Methane (CH4) emissions from Power Industry (Energy) (Mt CO2e), per 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Transport (Energy) (Mt CO2e), annual -0.2318 % change on previous year (2024)
- Methane (CH4) emissions from Transport (Energy) (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
Frequently asked questions
- What is heating degree days, annual growth rate in Iran?
- Heating degree days, annual growth rate in Iran was 6.18 % change on previous year in 2024, according to Statizoid (derived).
- What is the highest heating degree days, annual growth rate recorded in Iran?
- The highest recorded value was 31.13 % change on previous year in 1964.
- What is the lowest heating degree days, annual growth rate recorded in Iran?
- The lowest recorded value was -17.65 % change on previous year in 1965.
- How does Iran rank for heating degree days, annual growth rate?
- Iran ranks 25th out of 154 countries with data for 2024.
- Is heating degree days, annual growth rate rising or falling in Iran?
- Over the last ten years it is down 40.4%. The long-run trend across the full record is volatile.
- Where does this Iran data come from?
- The figures come from Statizoid (derived), published as part of Heating Degree Days, annual growth rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 64 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
The year-on-year percentage change in Heating Degree Days. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.
Computed from
- Heating Degree Days World Bank, Climate Change Knowledge Portal. https://climateknowledgeportal.worldbank.org
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
The year-on-year percentage change in Heating Degree Days. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.