Deliberative Democracy Index in Portugal
Portugal: Deliberative Democracy Index was 0.691 in 2025. ◆ Volatile
Deliberative Democracy Index in Portugal, 1900–2025
Source: V-Dem (2026) – processed by Our World in Data.
Analysis
Portugal recorded 0.691 for deliberative democracy index in 2025.
That represents a change of down 6.0% on the previous year and down 14.7% over ten years.
Over the whole period, deliberative democracy index in Portugal peaked at 0.853 in 2018 and was at its lowest, 0.016, in 1934.
That places Portugal 27th out of 175 countries with data for 2025, putting it in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Deliberative Democracy Index in Portugal, year by year
| Year | Value | Change |
|---|---|---|
| 1900 | 0.048 | — |
| 1901 | 0.047 | -2.1% |
| 1902 | 0.047 | +0.0% |
| 1903 | 0.047 | +0.0% |
| 1904 | 0.047 | +0.0% |
| 1905 | 0.047 | +0.0% |
| 1906 | 0.047 | +0.0% |
| 1907 | 0.047 | +0.0% |
| 1908 | 0.047 | +0.0% |
| 1909 | 0.047 | +0.0% |
| 1910 | 0.063 | +34.0% |
| 1911 | 0.103 | +63.5% |
| 1912 | 0.117 | +13.6% |
| 1913 | 0.117 | +0.0% |
| 1914 | 0.116 | -0.9% |
| 1915 | 0.114 | -1.7% |
| 1916 | 0.114 | +0.0% |
| 1917 | 0.111 | -2.6% |
| 1918 | 0.108 | -2.7% |
| 1919 | 0.112 | +3.7% |
| 1920 | 0.119 | +6.2% |
| 1921 | 0.118 | -0.8% |
| 1922 | 0.119 | +0.8% |
| 1923 | 0.119 | +0.0% |
| 1924 | 0.119 | +0.0% |
| 1925 | 0.118 | -0.8% |
| 1926 | 0.03 | -74.6% |
| 1927 | 0.018 | -40.0% |
| 1928 | 0.023 | +27.8% |
| 1929 | 0.025 | +8.7% |
| 1930 | 0.024 | -4.0% |
| 1931 | 0.026 | +8.3% |
| 1932 | 0.022 | -15.4% |
| 1933 | 0.019 | -13.6% |
| 1934 | 0.016 | -15.8% |
| 1935 | 0.016 | +0.0% |
| 1936 | 0.016 | +0.0% |
| 1937 | 0.016 | +0.0% |
| 1938 | 0.016 | +0.0% |
| 1939 | 0.016 | +0.0% |
| 1940 | 0.02 | +25.0% |
| 1941 | 0.024 | +20.0% |
| 1942 | 0.024 | +0.0% |
| 1943 | 0.024 | +0.0% |
| 1944 | 0.024 | +0.0% |
| 1945 | 0.024 | +0.0% |
| 1946 | 0.024 | +0.0% |
| 1947 | 0.024 | +0.0% |
| 1948 | 0.024 | +0.0% |
| 1949 | 0.024 | +0.0% |
| 1950 | 0.025 | +4.2% |
| 1951 | 0.025 | +0.0% |
| 1952 | 0.025 | +0.0% |
| 1953 | 0.025 | +0.0% |
| 1954 | 0.025 | +0.0% |
| 1955 | 0.025 | +0.0% |
| 1956 | 0.025 | +0.0% |
| 1957 | 0.025 | +0.0% |
| 1958 | 0.025 | +0.0% |
| 1959 | 0.025 | +0.0% |
| 1960 | 0.026 | +4.0% |
| 1961 | 0.026 | +0.0% |
| 1962 | 0.026 | +0.0% |
| 1963 | 0.026 | +0.0% |
| 1964 | 0.026 | +0.0% |
| 1965 | 0.026 | +0.0% |
| 1966 | 0.025 | -3.8% |
| 1967 | 0.025 | +0.0% |
| 1968 | 0.027 | +8.0% |
| 1969 | 0.032 | +18.5% |
| 1970 | 0.035 | +9.4% |
| 1971 | 0.035 | +0.0% |
| 1972 | 0.035 | +0.0% |
| 1973 | 0.035 | +0.0% |
| 1974 | 0.215 | +514.3% |
| 1975 | 0.307 | +42.8% |
| 1976 | 0.459 | +49.5% |
| 1977 | 0.616 | +34.2% |
| 1978 | 0.616 | +0.0% |
| 1979 | 0.622 | +1.0% |
| 1980 | 0.704 | +13.2% |
| 1981 | 0.706 | +0.3% |
| 1982 | 0.709 | +0.4% |
| 1983 | 0.722 | +1.8% |
| 1984 | 0.728 | +0.8% |
| 1985 | 0.743 | +2.1% |
| 1986 | 0.751 | +1.1% |
| 1987 | 0.748 | -0.4% |
| 1988 | 0.754 | +0.8% |
| 1989 | 0.754 | +0.0% |
| 1990 | 0.752 | -0.3% |
| 1991 | 0.744 | -1.1% |
| 1992 | 0.737 | -0.9% |
| 1993 | 0.737 | +0.0% |
| 1994 | 0.737 | +0.0% |
| 1995 | 0.754 | +2.3% |
| 1996 | 0.759 | +0.7% |
| 1997 | 0.759 | +0.0% |
| 1998 | 0.759 | +0.0% |
| 1999 | 0.758 | -0.1% |
| 2000 | 0.756 | -0.3% |
| 2001 | 0.769 | +1.7% |
| 2002 | 0.78 | +1.4% |
| 2003 | 0.78 | +0.0% |
| 2004 | 0.777 | -0.4% |
| 2005 | 0.816 | +5.0% |
| 2006 | 0.821 | +0.6% |
| 2007 | 0.821 | +0.0% |
| 2008 | 0.821 | +0.0% |
| 2009 | 0.822 | +0.1% |
| 2010 | 0.824 | +0.2% |
| 2011 | 0.811 | -1.6% |
| 2012 | 0.808 | -0.4% |
| 2013 | 0.807 | -0.1% |
| 2014 | 0.807 | +0.0% |
| 2015 | 0.81 | +0.4% |
| 2016 | 0.839 | +3.6% |
| 2017 | 0.847 | +1.0% |
| 2018 | 0.853 | +0.7% |
| 2019 | 0.833 | -2.3% |
| 2020 | 0.807 | -3.1% |
| 2021 | 0.796 | -1.4% |
| 2022 | 0.751 | -5.7% |
| 2023 | 0.747 | -0.5% |
| 2024 | 0.735 | -1.6% |
| 2025 | 0.691 | -6.0% |
Portugal compared with similar countries
- Portugal's 0.691 is above the median for high income countries, which is 0.665, 1.0× the median. (55 countries reporting)
- Portugal's 0.691 is above the median for Europe & Central Asia, which is 0.61, 1.1× the median. (48 countries reporting)
Biggest year-on-year movements
Years where Deliberative Democracy Index 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.
| Year | Change | From | To |
|---|---|---|---|
| 1974 | +514.3% | 0.035 | 0.215 |
| 1926 | -74.6% | 0.118 | 0.03 |
| 1911 | +63.5% | 0.063 | 0.103 |
| 1976 | +49.5% | 0.307 | 0.459 |
| 1975 | +42.8% | 0.215 | 0.307 |
| 1927 | -40.0% | 0.03 | 0.018 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1900s | 0.0471 | 0.047 | 0.048 | 10 |
| 1910s | 0.1075 | 0.063 | 0.117 | 10 |
| 1920s | 0.0808 | 0.018 | 0.119 | 10 |
| 1930s | 0.0187 | 0.016 | 0.026 | 10 |
| 1940s | 0.0236 | 0.02 | 0.024 | 10 |
| 1950s | 0.025 | 0.025 | 0.025 | 10 |
| 1960s | 0.0265 | 0.025 | 0.032 | 10 |
| 1970s | 0.2975 | 0.035 | 0.622 | 10 |
| 1980s | 0.7319 | 0.704 | 0.754 | 10 |
| 1990s | 0.7496 | 0.737 | 0.759 | 10 |
| 2000s | 0.7963 | 0.756 | 0.822 | 10 |
| 2010s | 0.8239 | 0.807 | 0.853 | 10 |
| 2020s | 0.7545 | 0.691 | 0.807 | 6 |
Countries ranked near Portugal
More social development data for Portugal
- Refugees under the mandate of the UNHCR by country or territory of 70,349 (2025)
- Refugees under the mandate of the UNHCR by country or territory of 109 (2025)
- Political Rights Rating 1 (2025)
- Electoral democracy 1 (2025)
- Political rights rating fh, annual growth rate 0 % change on previous year (2025)
- Political rights rating fh, gaps filled 1 (2025)
- Refugees under the mandate of the UNHCR by country or territory of 0 units per person (2025)
- Refugees under the mandate of the UNHCR by country or territory of 109 (2025)
- Refugees under the mandate of the UNHCR by country or territory of 0.0065 units per person (2025)
- Refugees under the mandate of the UNHCR by country or territory of 0 units per US$ of GDP (2025)
Frequently asked questions
- What is deliberative democracy index in Portugal?
- Deliberative democracy index in Portugal was 0.691 in 2025, according to V-Dem (2026) – processed by Our World in Data.
- What is the highest deliberative democracy index recorded in Portugal?
- The highest recorded value was 0.853 in 2018.
- What is the lowest deliberative democracy index recorded in Portugal?
- The lowest recorded value was 0.016 in 1934.
- How does Portugal rank for deliberative democracy index?
- Portugal ranks 27th out of 175 countries with data for 2025.
- Is deliberative democracy index rising or falling in Portugal?
- Over the last ten years it is down 14.7%. The long-run trend across the full record is volatile.
- Where does this Portugal data come from?
- The figures come from V-Dem (2026) – processed by Our World in Data, published as part of Deliberative Democracy Index. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 126 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Central estimate of the extent of suffrage, the freedom and fairness of elections, freedoms of association and expression, as well as the extent to which political elites justify their positions, justify them with the common good, acknowledge counterarguments, consult elites in policy changes, and society deliberates policy changes.