Bulgaria vs Estonia: Annual patents filed for renewable energy technologies
Bulgaria
1 patents
in 2024
Estonia
1 patents
in 2023
Bulgaria rank
50th
Estonia rank
50th
Annual patents filed for renewable energy technologies over time
- Bulgaria
- Estonia
How they compare
Bulgaria currently reports 1 patents against 1 patents in Estonia, a difference of 0 patents.
The two have swapped places 3 times across 5 shared years of data; in 2005 it was Estonia ahead.
Bulgaria ranks 50th and Estonia ranks 50th of 64 countries.
Across the 3 decades both report, Bulgaria averaged higher in 1 and Estonia in 1.
Head to head by decade
| Decade | Bulgaria | Estonia | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 1 patents | 4 patents | 3 patents | Estonia |
| 2010s | 3 patents | 3 patents | 0 patents | — |
| 2020s | 4 patents | 3.5 patents | 0.5 patents | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual patents filed for renewable energy technologies, Bulgaria or Estonia?
- Bulgaria, at 1 patents against 1 patents in Estonia as of 2024.
- What is the difference in annual patents filed for renewable energy technologies between Bulgaria and Estonia?
- 0 patents, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Estonia?
- 5 years are reported by both, from 2005 to 2023.
- How do Bulgaria and Estonia rank globally for annual patents filed for renewable energy technologies?
- Bulgaria ranks 50th and Estonia ranks 50th of 64 countries.
- Where does this data come from?
- IRENA – INSPIRE Platform (2026) – with major processing by Our World in Data, published as Annual patents filed for renewable energy technologies. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Data only includes energy source technologies, and excludes technologies such as energy storage or transport. Figures in recent years are subject to a time lag; submitted patents may not yet be reflected in the data.