Annual articles published in scientific and technical journals, per in Portugal

Portugal: Annual articles published in scientific and technical journals, per was 0.199 units per square kilometre in 2023. ◆ Volatile

Latest (2023)
0.199 units per square kilometre
Change on year
up 0.1%
World rank
20th
of 196 countries
All-time high
0.2007 units per square kilometre
in 2021
All-time low
0.0242 units per square kilometre
in 1996
Years of data
28
1996–2023

Annual articles published in scientific and technical journals, per in Portugal, 1996–2023

00.050.10.150.21996200920231996: 0.024 units per square kilometre1997: 0.029 units per square kilometre1998: 0.031 units per square kilometre1999: 0.034 units per square kilometre2000: 0.036 units per square kilometre2001: 0.042 units per square kilometre2002: 0.044 units per square kilometre2003: 0.051 units per square kilometre2004: 0.057 units per square kilometre2005: 0.065 units per square kilometre2006: 0.079 units per square kilometre2007: 0.083 units per square kilometre2008: 0.094 units per square kilometre2009: 0.102 units per square kilometre2010: 0.114 units per square kilometre2011: 0.128 units per square kilometre2012: 0.139 units per square kilometre2013: 0.148 units per square kilometre2014: 0.154 units per square kilometre2015: 0.157 units per square kilometre2016: 0.153 units per square kilometre2017: 0.154 units per square kilometre2018: 0.157 units per square kilometre2019: 0.173 units per square kilometre2020: 0.179 units per square kilometre2021: 0.201 units per square kilometre2022: 0.199 units per square kilometre2023: 0.199 units per square kilometre

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

Analysis

Portugal recorded 0.199 units per square kilometre for annual articles published in scientific and technical journals, per in 2023.

That represents a change of up 0.1% on the previous year and up 34.1% over ten years.

Over the whole period, annual articles published in scientific and technical journals, per in Portugal peaked at 0.2007 units per square kilometre in 2021 and was at its lowest, 0.0242 units per square kilometre, in 1996.

That places Portugal 20th out of 196 countries with data for 2023, putting it in the top 10%.

The series is highly variable year to year, so single readings are best treated with caution.

Annual articles published in scientific and technical journals, per in Portugal, year by year

Annual values for Annual articles published in scientific and technical journals, per square kilometre in Portugal, 1996 to 2023.
Year units per square kilometre Change
1996 0.0242 units per square kilometre
1997 0.0286 units per square kilometre +18.5%
1998 0.031 units per square kilometre +8.4%
1999 0.0342 units per square kilometre +10.2%
2000 0.0364 units per square kilometre +6.4%
2001 0.0418 units per square kilometre +14.8%
2002 0.0444 units per square kilometre +6.2%
2003 0.0508 units per square kilometre +14.5%
2004 0.0569 units per square kilometre +12.0%
2005 0.0649 units per square kilometre +14.2%
2006 0.0786 units per square kilometre +21.1%
2007 0.0831 units per square kilometre +5.7%
2008 0.0943 units per square kilometre +13.5%
2009 0.1024 units per square kilometre +8.6%
2010 0.1138 units per square kilometre +11.1%
2011 0.1279 units per square kilometre +12.4%
2012 0.139 units per square kilometre +8.7%
2013 0.1484 units per square kilometre +6.7%
2014 0.154 units per square kilometre +3.7%
2015 0.1572 units per square kilometre +2.1%
2016 0.1532 units per square kilometre -2.5%
2017 0.154 units per square kilometre +0.5%
2018 0.157 units per square kilometre +1.9%
2019 0.1732 units per square kilometre +10.3%
2020 0.1793 units per square kilometre +3.6%
2021 0.2007 units per square kilometre +11.9%
2022 0.1988 units per square kilometre -1.0%
2023 0.199 units per square kilometre +0.1%

Averages by decade

DecadeAverage LowestHighest Years
1990s 0.0295 units per square kilometre 0.0242 units per square kilometre 0.0342 units per square kilometre 4
2000s 0.0654 units per square kilometre 0.0364 units per square kilometre 0.1024 units per square kilometre 10
2010s 0.1478 units per square kilometre 0.1138 units per square kilometre 0.1732 units per square kilometre 10
2020s 0.1945 units per square kilometre 0.1793 units per square kilometre 0.2007 units per square kilometre 4

Countries ranked near Portugal

  1. 17 Japan 0.2648 units per square kilometre compare
  2. 18 Qatar 0.2151 units per square kilometre compare
  3. 19 Lebanon 0.2033 units per square kilometre compare
  4. 21 Cyprus 0.1909 units per square kilometre compare
  5. 22 Slovenia 0.1772 units per square kilometre compare
  6. 23 Czechia 0.1738 units per square kilometre compare

See the full ranking of 196 places →

More reference data data for Portugal

All data for Portugal →

Frequently asked questions

What is annual articles published in scientific and technical journals, per in Portugal?
Annual articles published in scientific and technical journals, per in Portugal was 0.199 units per square kilometre in 2023, according to Statizoid (derived).
What is the highest annual articles published in scientific and technical journals, per recorded in Portugal?
The highest recorded value was 0.2007 units per square kilometre in 2021.
What is the lowest annual articles published in scientific and technical journals, per recorded in Portugal?
The lowest recorded value was 0.0242 units per square kilometre in 1996.
How does Portugal rank for annual articles published in scientific and technical journals, per?
Portugal ranks 20th out of 196 countries with data for 2023.
Is annual articles published in scientific and technical journals, per rising or falling in Portugal?
Over the last ten years it is up 34.1%. The long-run trend across the full record is volatile.
Where does this Portugal data come from?
The figures come from Statizoid (derived), published as part of Annual articles published in scientific and technical journals, per square kilometre. Statizoid updates them automatically from the source API.

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Annual articles published in scientific and technical journals, per in Portugal. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://reference.statizoid.com/stat/annual-articles-published-in-scientific-and-technical-journals-per-square-kilometre/portugal/

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<a href="https://reference.statizoid.com/stat/annual-articles-published-in-scientific-and-technical-journals-per-square-kilometre/portugal/">Annual articles published in scientific and technical journals, per in Portugal</a> — Statizoid

How this figure is calculated

Annual articles published in scientific and technical journals 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.

Annual articles published in scientific and technical journals ÷ 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
Annual articles published in scientific and technical journals, per square kilometre
Unit
units per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
196 places, 5,428 data points, 1996–2023
Last refreshed

Annual articles published in scientific and technical journals 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.