Age of democracy in Portugal

Portugal: Age of democracy was 43 years in 2018. ◆ Volatile

Latest (2018)
43 years
Change on year
up 2.4%
World rank
29th
of 110 countries
All-time high
43 years
in 2018
All-time low
1 years
in 1911
Years of data
58
1911–2018

Age of democracy in Portugal, 1911–2018

010203040191119642018

Source: Polity 5 (2020) – processed by Our World in Data. Measured in years.

Analysis

In 2018, age of democracy in Portugal stood at 43 years. That is the highest value across all 58 years on record.

That represents a change of up 2.4% on the previous year and up 30.3% over ten years.

Over the whole period, age of democracy in Portugal peaked at 43 years in 2018 and was at its lowest, 1 years, in 1911.

Portugal ranks 29th of 110 countries on this measure, in the middle of the range.

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

Age of democracy in Portugal, year by year

Annual values for Age of democracy in Portugal, 1911 to 2018.
Year years Change
1911 1 years —
1912 2 years +100.0%
1913 3 years +50.0%
1914 4 years +33.3%
1915 5 years +25.0%
1916 6 years +20.0%
1917 7 years +16.7%
1918 8 years +14.3%
1919 9 years +12.5%
1920 10 years +11.1%
1921 11 years +10.0%
1922 12 years +9.1%
1923 13 years +8.3%
1924 14 years +7.7%
1925 15 years +7.1%
1976 1 years -93.3%
1977 2 years +100.0%
1978 3 years +50.0%
1979 4 years +33.3%
1980 5 years +25.0%
1981 6 years +20.0%
1982 7 years +16.7%
1983 8 years +14.3%
1984 9 years +12.5%
1985 10 years +11.1%
1986 11 years +10.0%
1987 12 years +9.1%
1988 13 years +8.3%
1989 14 years +7.7%
1990 15 years +7.1%
1991 16 years +6.7%
1992 17 years +6.2%
1993 18 years +5.9%
1994 19 years +5.6%
1995 20 years +5.3%
1996 21 years +5.0%
1997 22 years +4.8%
1998 23 years +4.5%
1999 24 years +4.3%
2000 25 years +4.2%
2001 26 years +4.0%
2002 27 years +3.8%
2003 28 years +3.7%
2004 29 years +3.6%
2005 30 years +3.4%
2006 31 years +3.3%
2007 32 years +3.2%
2008 33 years +3.1%
2009 34 years +3.0%
2010 35 years +2.9%
2011 36 years +2.9%
2012 37 years +2.8%
2013 38 years +2.7%
2014 39 years +2.6%
2015 40 years +2.6%
2016 41 years +2.5%
2017 42 years +2.4%
2018 43 years +2.4%

Portugal compared with similar countries

  • Portugal's 43 years is below the median for high income countries, which is 44 years, 98% of the median. (43 countries reporting)
  • Portugal's 43 years is above the median for Europe & Central Asia, which is 29 years, 1.5× the median. (40 countries reporting)

Biggest year-on-year movements

Years where Age of democracy in Portugal changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.

YearChange FromTo
1976 -93.3% 15 years 1 years
1912 +100.0% 1 years 2 years
1977 +100.0% 1 years 2 years
1913 +50.0% 2 years 3 years
1978 +50.0% 2 years 3 years

Averages by decade

DecadeAverage LowestHighest Years
1910s 5 years 1 years 9 years 9
1920s 12.5 years 10 years 15 years 6
1970s 2.5 years 1 years 4 years 4
1980s 9.5 years 5 years 14 years 10
1990s 19.5 years 15 years 24 years 10
2000s 29.5 years 25 years 34 years 10
2010s 39 years 35 years 43 years 9

Countries ranked near Portugal

  1. 27 Venezuela 48 years compare
  2. 28 Greece 44 years compare
  3. 30 Spain 41 years compare
  4. 31 Trinidad and Tobago 38 years compare
  5. 32 Bolivia 37 years compare

See the full ranking of 110 places →

More social development data for Portugal

All data for Portugal →

Frequently asked questions

What is age of democracy in Portugal?
Age of democracy in Portugal was 43 years in 2018, according to Polity 5 (2020) – processed by Our World in Data.
What is the highest age of democracy recorded in Portugal?
The highest recorded value was 43 years in 2018.
What is the lowest age of democracy recorded in Portugal?
The lowest recorded value was 1 years in 1911.
How does Portugal rank for age of democracy?
Portugal ranks 29th out of 110 countries with data for 2018.
Is age of democracy rising or falling in Portugal?
Over the last ten years it is up 30.3%. The long-run trend across the full record is volatile.
Where does this Portugal data come from?
The figures come from Polity 5 (2020) – processed by Our World in Data, published as part of Age of democracy. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 58 observations, free to reuse under CC BY 4.0 (Our World in Data).

Share, cite or embed this page

Cite this page

Age of democracy in Portugal. Statizoid, drawing on Polity 5 (2020) – processed by Our World in Data. Retrieved 08 November 2026, from https://social-development.statizoid.com/stat/age-of-democracy-polity/portugal/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://social-development.statizoid.com/stat/age-of-democracy-polity/portugal/">Age of democracy in Portugal</a> — Statizoid

About this data

Indicator
Age of democracy
Unit
years
Source
Polity 5 (2020) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
110 places, 4,915 data points, 1801–2019
Last refreshed

Number of consecutive years in a democracy.