Scientific and technical journal articles, per square kilometre in Bulgaria

Bulgaria: Scientific and technical journal articles, per square kilometre was 0.046 units per square kilometre in 2023. β–² Rising

Latest (2023)
0.046 units per square kilometre
Change on year
up 2.9%
World rank
54th
of 196 countries
All-time high
0.046 units per square kilometre
in 2023
All-time low
0.015 units per square kilometre
in 2001
Years of data
28
1996–2023

Scientific and technical journal articles, per square kilometre in Bulgaria, 1996–2023

0.010.020.030.040.051996200920231996: 0.017 units per square kilometre1997: 0.016 units per square kilometre1998: 0.016 units per square kilometre1999: 0.016 units per square kilometre2000: 0.015 units per square kilometre2001: 0.015 units per square kilometre2002: 0.015 units per square kilometre2003: 0.016 units per square kilometre2004: 0.017 units per square kilometre2005: 0.019 units per square kilometre2006: 0.018 units per square kilometre2007: 0.022 units per square kilometre2008: 0.021 units per square kilometre2009: 0.025 units per square kilometre2010: 0.023 units per square kilometre2011: 0.022 units per square kilometre2012: 0.023 units per square kilometre2013: 0.024 units per square kilometre2014: 0.023 units per square kilometre2015: 0.023 units per square kilometre2016: 0.022 units per square kilometre2017: 0.027 units per square kilometre2018: 0.03 units per square kilometre2019: 0.039 units per square kilometre2020: 0.041 units per square kilometre2021: 0.044 units per square kilometre2022: 0.045 units per square kilometre2023: 0.046 units per square kilometre

Source: Statizoid (derived). Measured in units per square kilometre.

Analysis

In 2023, scientific and technical journal articles, per square kilometre in Bulgaria stood at 0.046 units per square kilometre. That is the highest value across all 28 years on record.

The figure is up 2.9% on the previous year and up 89.4% over ten years.

Over the whole period, scientific and technical journal articles, per square kilometre in Bulgaria peaked at 0.046 units per square kilometre in 2023 and was at its lowest, 0.015 units per square kilometre, in 2001.

Bulgaria ranks 54th of 196 countries on this measure, in the middle of the range.

The long-run direction has been consistently rising across the 28 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1990s 0.0163 units per square kilometre 0.0158 units per square kilometre 0.0173 units per square kilometre 4
2000s 0.0182 units per square kilometre 0.015 units per square kilometre 0.0247 units per square kilometre 10
2010s 0.0257 units per square kilometre 0.0222 units per square kilometre 0.0392 units per square kilometre 10
2020s 0.0439 units per square kilometre 0.0412 units per square kilometre 0.046 units per square kilometre 4

Countries ranked near Bulgaria

  1. 51 Trinidad and Tobago 0.0479 units per square kilometre compare
  2. 52 United States 0.0471 units per square kilometre compare
  3. 53 Romania 0.0466 units per square kilometre compare
  4. 55 Lithuania, Republic of 0.0427 units per square kilometre compare
  5. 56 Estonia, Republic of 0.041 units per square kilometre compare
  6. 57 Iraq 0.0385 units per square kilometre compare

See the full ranking of 243 places β†’

More science & technology data for Bulgaria

All data for Bulgaria β†’

Frequently asked questions

What is scientific and technical journal articles, per square kilometre in Bulgaria?
Scientific and technical journal articles, per square kilometre in Bulgaria was 0.046 units per square kilometre in 2023, according to Statizoid (derived).
What is the highest scientific and technical journal articles, per square kilometre recorded in Bulgaria?
The highest recorded value was 0.046 units per square kilometre in 2023.
What is the lowest scientific and technical journal articles, per square kilometre recorded in Bulgaria?
The lowest recorded value was 0.015 units per square kilometre in 2001.
How does Bulgaria rank for scientific and technical journal articles, per square kilometre?
Bulgaria ranks 54th out of 196 countries with data for 2023.
Is scientific and technical journal articles, per square kilometre rising or falling in Bulgaria?
Over the last ten years it is up 89.4%. The long-run trend across the full record is rising.
Where does this Bulgaria data come from?
The figures come from Statizoid (derived), published as part of Scientific and technical journal articles, per square kilometre. Statizoid updates them automatically from the source API.

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Scientific and technical journal articles, per square kilometre in Bulgaria. Statizoid, drawing on Statizoid (derived). Retrieved 18 August 2026, from https://science-tech.statizoid.com/stat/scientific-and-technical-journal-articles-per-square-kilometre/bulgaria/

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How this figure is calculated

Scientific and technical journal articles divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.

Scientific and technical journal articles Γ· Land area (sq. km)

Computed from

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

Indicator
Scientific and technical journal articles, per square kilometre
Unit
units per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
243 places, 6,744 data points, 1996–2023
Last refreshed

Scientific and technical journal articles divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.