Heating Degree Days in Bulgaria
Bulgaria: Heating Degree Days was 4,443 in 2024. ▼ Falling
Latest (2024)
4,443
Change on year
up 1.1%
World rank
51st
of 189 countries
All-time high
5,918
in 1991
All-time low
4,395
in 2023
Years of data
65
1960–2024
Heating Degree Days in Bulgaria, 1960–2024
Source: World Bank, Climate Change Knowledge Portal. https://climateknowledgeportal.worldbank.org.
Analysis
In 2024, heating degree days in Bulgaria stood at 4,443.
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 in Bulgaria peaked at 5,918 in 1991 and was at its lowest, 4,395, in 2023.
Bulgaria ranks 51st of 189 countries on this measure, in the middle of the range.
The long-run direction has been consistently falling across the 65 years of available data.
Heating Degree Days 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% |
Bulgaria compared with similar countries
- Bulgaria's 4,443 is above the median for high income countries, which is 4,339, 1.0× the median. (64 countries reporting)
- Bulgaria's 4,443 is below the median for Europe & Central Asia, which is 5,204, 85% of the median. (52 countries reporting)
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)
- Wood-based panels — Production, annual growth rate 0 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual -6.02 % 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 -0.7509 % change on previous year (2024)
Frequently asked questions
- What is heating degree days in Bulgaria?
- Heating degree days in Bulgaria was 4,443 in 2024, according to World Bank, Climate Change Knowledge Portal. https://climateknowledgeportal.worldbank.org.
- What is the highest heating degree days recorded in Bulgaria?
- The highest recorded value was 5,918 in 1991.
- What is the lowest heating degree days recorded in Bulgaria?
- The lowest recorded value was 4,395 in 2023.
- How does Bulgaria rank for heating degree days?
- Bulgaria ranks 51st out of 189 countries with data for 2024.
- Is heating degree days 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 World Bank, Climate Change Knowledge Portal. https://climateknowledgeportal.worldbank.org, published as part of Heating Degree Days. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 65 observations, free to reuse under CC BY 4.0 (World Bank Open Data).
About this data
A heating degree day (HDD) is a measurement designed to track energy use. It is the number of degrees that a day's average temperature is below 18°C (65°F). Daily degree days are accumulated to obtain annual values.