Heating Degree Days, gaps filled in Bulgaria
Bulgaria: Heating Degree Days, gaps filled was 4,443 in 2024. ▼ Falling
Heating Degree Days, gaps filled in Bulgaria, 1960–2024
Source: Statizoid (derived).
Analysis
Bulgaria recorded 4,443 for heating degree days, gaps filled in 2024.
Compared with earlier readings it is up 1.1% on the previous year and down 7.4% over ten years.
Over the whole period, heating degree days, gaps filled in Bulgaria peaked at 5,918 in 1991 and was at its lowest, 4,395, in 2023.
That places Bulgaria 51st out of 189 countries with data for 2024, putting it in the middle of the range.
The long-run direction has been consistently falling across the 65 years of available data.
Heating Degree Days, gaps filled in Bulgaria, year by year
| Year | Value | Change |
|---|---|---|
| 1960 | 5,111 | — |
| 1961 | 5,194 | +1.6% |
| 1962 | 5,459 | +5.1% |
| 1963 | 5,749 | +5.3% |
| 1964 | 5,702 | -0.8% |
| 1965 | 5,762 | +1.1% |
| 1966 | 4,912 | -14.8% |
| 1967 | 5,426 | +10.5% |
| 1968 | 5,316 | -2.0% |
| 1969 | 5,722 | +7.6% |
| 1970 | 5,299 | -7.4% |
| 1971 | 5,515 | +4.1% |
| 1972 | 5,575 | +1.1% |
| 1973 | 5,775 | +3.6% |
| 1974 | 5,548 | -3.9% |
| 1975 | 5,385 | -2.9% |
| 1976 | 5,794 | +7.6% |
| 1977 | 5,341 | -7.8% |
| 1978 | 5,700 | +6.7% |
| 1979 | 5,383 | -5.6% |
| 1980 | 5,911 | +9.8% |
| 1981 | 5,495 | -7.0% |
| 1982 | 5,594 | +1.8% |
| 1983 | 5,403 | -3.4% |
| 1984 | 5,542 | +2.6% |
| 1985 | 5,773 | +4.2% |
| 1986 | 5,615 | -2.7% |
| 1987 | 5,906 | +5.2% |
| 1988 | 5,735 | -2.9% |
| 1989 | 5,231 | -8.8% |
| 1990 | 5,129 | -2.0% |
| 1991 | 5,918 | +15.4% |
| 1992 | 5,516 | -6.8% |
| 1993 | 5,655 | +2.5% |
| 1994 | 4,906 | -13.3% |
| 1995 | 5,557 | +13.3% |
| 1996 | 5,905 | +6.3% |
| 1997 | 5,809 | -1.6% |
| 1998 | 5,463 | -6.0% |
| 1999 | 5,018 | -8.1% |
| 2000 | 5,078 | +1.2% |
| 2001 | 5,180 | +2.0% |
| 2002 | 5,090 | -1.7% |
| 2003 | 5,651 | +11.0% |
| 2004 | 5,185 | -8.2% |
| 2005 | 5,457 | +5.2% |
| 2006 | 5,397 | -1.1% |
| 2007 | 4,857 | -10.0% |
| 2008 | 4,997 | +2.9% |
| 2009 | 4,941 | -1.1% |
| 2010 | 5,058 | +2.4% |
| 2011 | 5,545 | +9.6% |
| 2012 | 5,209 | -6.0% |
| 2013 | 4,795 | -8.0% |
| 2014 | 4,797 | +0.0% |
| 2015 | 4,857 | +1.3% |
| 2016 | 4,952 | +2.0% |
| 2017 | 5,170 | +4.4% |
| 2018 | 4,798 | -7.2% |
| 2019 | 4,478 | -6.7% |
| 2020 | 4,723 | +5.5% |
| 2021 | 5,153 | +9.1% |
| 2022 | 4,820 | -6.5% |
| 2023 | 4,395 | -8.8% |
| 2024 | 4,443 | +1.1% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 5,435 | 4,912 | 5,762 | 10 |
| 1970s | 5,531 | 5,299 | 5,794 | 10 |
| 1980s | 5,621 | 5,231 | 5,911 | 10 |
| 1990s | 5,488 | 4,906 | 5,918 | 10 |
| 2000s | 5,183 | 4,857 | 5,651 | 10 |
| 2010s | 4,966 | 4,478 | 5,545 | 10 |
| 2020s | 4,707 | 4,395 | 5,153 | 5 |
Countries ranked near Bulgaria
More environment data for Bulgaria
- Historical exposure to drought — Land soil moisture anomaly -1.39 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -1.52 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.573 °C (2025)
- Temperature change 2.18 °C (2025)
- Cooling Degree Days, annual growth rate 27.16 % change on previous year (2024)
- Heating Degree Days, per unit of GDP 0 units per US$ of GDP (2024)
- Heating Degree Days, per capita 0.0007 units per person (2024)
- Value Added Deflator (Agriculture, forestry and fishery) — Value -3.42 % change on previous year (2024)
- Value Added Deflator (Agriculture, forestry and fishery) — Value US$ -3.36 % change on previous year (2024)
Frequently asked questions
- What is heating degree days, gaps filled in Bulgaria?
- Heating degree days, gaps filled in Bulgaria was 4,443 in 2024, according to Statizoid (derived).
- What is the highest heating degree days, gaps filled recorded in Bulgaria?
- The highest recorded value was 5,918 in 1991.
- What is the lowest heating degree days, gaps filled recorded in Bulgaria?
- The lowest recorded value was 4,395 in 2023.
- How does Bulgaria rank for heating degree days, gaps filled?
- Bulgaria ranks 51st out of 189 countries with data for 2024.
- Is heating degree days, gaps filled rising or falling in Bulgaria?
- Over the last ten years it is down 7.4%. The long-run trend across the full record is falling.
- Where does this Bulgaria data come from?
- The figures come from Statizoid (derived), published as part of Heating Degree Days, gaps filled. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 65 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
Heating Degree Days with 237 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.
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
Heating Degree Days with 237 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.