What is freedom of association index in Portugal?

Freedom of association index in Portugal was 0.874 in 2025, according to V-Dem (2026) – processed by Our World in Data.

What is the highest freedom of association index recorded in Portugal?

The highest recorded value was 0.898 in 2017.

What is the lowest freedom of association index recorded in Portugal?

The lowest recorded value was 0.03 in 1828.

How does Portugal rank for freedom of association index?

Portugal ranks 35th out of 176 countries with data for 2025.

Is freedom of association index rising or falling in Portugal?

Over the last ten years it is down 1.9%. 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 Freedom of Association Index. Statizoid updates them automatically from the source API.

Freedom of Association Index in Portugal

Name: Freedom of Association Index in Portugal
Creator: V-Dem (2026) – processed by Our World in Data
License: CC BY 4.0 (Our World in Data)

Portugal: Freedom of Association Index was 0.874 in 2025. ◆ Volatile

Latest (2025)

0.874

Change on year

down 2.1%

World rank

35th

of 176 countries

All-time high

0.898

in 2017

All-time low

0.03

in 1828

Years of data

237

1789–2025

Freedom of Association Index in Portugal, 1789–2025

Source: V-Dem (2026) – processed by Our World in Data.

Analysis

Portugal recorded 0.874 for freedom of association index in 2025.

Compared with earlier readings it is down 2.1% on the previous year and down 1.9% over ten years.

Over the whole period, freedom of association index in Portugal peaked at 0.898 in 2017 and was at its lowest, 0.03, in 1828.

That places Portugal 35th out of 176 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.

Freedom of Association Index in Portugal, year by year

Annual values for Freedom of Association Index in Portugal, 1789 to 2025.
Year	Value	Change
1789	0.033	—
1790	0.033	+0.0%
1791	0.033	+0.0%
1792	0.033	+0.0%
1793	0.033	+0.0%
1794	0.033	+0.0%
1795	0.033	+0.0%
1796	0.033	+0.0%
1797	0.033	+0.0%
1798	0.033	+0.0%
1799	0.033	+0.0%
1800	0.033	+0.0%
1801	0.033	+0.0%
1802	0.033	+0.0%
1803	0.033	+0.0%
1804	0.033	+0.0%
1805	0.033	+0.0%
1806	0.033	+0.0%
1807	0.033	+0.0%
1808	0.033	+0.0%
1809	0.033	+0.0%
1810	0.033	+0.0%
1811	0.033	+0.0%
1812	0.033	+0.0%
1813	0.033	+0.0%
1814	0.033	+0.0%
1815	0.033	+0.0%
1816	0.033	+0.0%
1817	0.033	+0.0%
1818	0.033	+0.0%
1819	0.033	+0.0%
1820	0.627	+1800.0%
1821	0.632	+0.8%
1822	0.635	+0.5%
1823	0.658	+3.6%
1824	0.534	-18.8%
1825	0.534	+0.0%
1826	0.474	-11.2%
1827	0.478	+0.8%
1828	0.03	-93.7%
1829	0.03	+0.0%
1830	0.03	+0.0%
1831	0.03	+0.0%
1832	0.03	+0.0%
1833	0.03	+0.0%
1834	0.05	+66.7%
1835	0.345	+590.0%
1836	0.366	+6.1%
1837	0.389	+6.3%
1838	0.405	+4.1%
1839	0.43	+6.2%
1840	0.422	-1.9%
1841	0.42	-0.5%
1842	0.425	+1.2%
1843	0.429	+0.9%
1844	0.429	+0.0%
1845	0.413	-3.7%
1846	0.391	-5.3%
1847	0.391	+0.0%
1848	0.393	+0.5%
1849	0.393	+0.0%
1850	0.393	+0.0%
1851	0.385	-2.0%
1852	0.348	-9.6%
1853	0.344	-1.1%
1854	0.344	+0.0%
1855	0.344	+0.0%
1856	0.356	+3.5%
1857	0.426	+19.7%
1858	0.427	+0.2%
1859	0.427	+0.0%
1860	0.422	-1.2%
1861	0.422	+0.0%
1862	0.422	+0.0%
1863	0.422	+0.0%
1864	0.422	+0.0%
1865	0.422	+0.0%
1866	0.422	+0.0%
1867	0.422	+0.0%
1868	0.395	-6.4%
1869	0.389	-1.5%
1870	0.367	-5.7%
1871	0.392	+6.8%
1872	0.424	+8.2%
1873	0.424	+0.0%
1874	0.424	+0.0%
1875	0.424	+0.0%
1876	0.424	+0.0%
1877	0.424	+0.0%
1878	0.425	+0.2%
1879	0.428	+0.7%
1880	0.428	+0.0%
1881	0.427	-0.2%
1882	0.424	-0.7%
1883	0.424	+0.0%
1884	0.424	+0.0%
1885	0.425	+0.2%
1886	0.425	+0.0%
1887	0.426	+0.2%
1888	0.426	+0.0%
1889	0.428	+0.5%
1890	0.434	+1.4%
1891	0.434	+0.0%
1892	0.433	-0.2%
1893	0.43	-0.7%
1894	0.422	-1.9%
1895	0.421	-0.2%
1896	0.429	+1.9%
1897	0.425	-0.9%
1898	0.424	-0.2%
1899	0.418	-1.4%
1900	0.364	-12.9%
1901	0.362	-0.5%
1902	0.357	-1.4%
1903	0.357	+0.0%
1904	0.358	+0.3%
1905	0.359	+0.3%
1906	0.362	+0.8%
1907	0.352	-2.8%
1908	0.35	-0.6%
1909	0.365	+4.3%
1910	0.379	+3.8%
1911	0.398	+5.0%
1912	0.42	+5.5%
1913	0.422	+0.5%
1914	0.43	+1.9%
1915	0.423	-1.6%
1916	0.423	+0.0%
1917	0.423	+0.0%
1918	0.406	-4.0%
1919	0.402	-1.0%
1920	0.432	+7.5%
1921	0.446	+3.2%
1922	0.445	-0.2%
1923	0.445	+0.0%
1924	0.45	+1.1%
1925	0.447	-0.7%
1926	0.132	-70.5%
1927	0.093	-29.5%
1928	0.093	+0.0%
1929	0.093	+0.0%
1930	0.093	+0.0%
1931	0.093	+0.0%
1932	0.093	+0.0%
1933	0.079	-15.1%
1934	0.076	-3.8%
1935	0.075	-1.3%
1936	0.078	+4.0%
1937	0.078	+0.0%
1938	0.078	+0.0%
1939	0.079	+1.3%
1940	0.079	+0.0%
1941	0.079	+0.0%
1942	0.079	+0.0%
1943	0.079	+0.0%
1944	0.079	+0.0%
1945	0.082	+3.8%
1946	0.084	+2.4%
1947	0.084	+0.0%
1948	0.084	+0.0%
1949	0.082	-2.4%
1950	0.081	-1.2%
1951	0.081	+0.0%
1952	0.081	+0.0%
1953	0.081	+0.0%
1954	0.082	+1.2%
1955	0.082	+0.0%
1956	0.082	+0.0%
1957	0.082	+0.0%
1958	0.084	+2.4%
1959	0.085	+1.2%
1960	0.086	+1.2%
1961	0.086	+0.0%
1962	0.085	-1.2%
1963	0.085	+0.0%
1964	0.085	+0.0%
1965	0.086	+1.2%
1966	0.086	+0.0%
1967	0.086	+0.0%
1968	0.091	+5.8%
1969	0.094	+3.3%
1970	0.113	+20.2%
1971	0.113	+0.0%
1972	0.119	+5.3%
1973	0.123	+3.4%
1974	0.44	+257.7%
1975	0.786	+78.6%
1976	0.832	+5.9%
1977	0.873	+4.9%
1978	0.875	+0.2%
1979	0.876	+0.1%
1980	0.885	+1.0%
1981	0.872	-1.5%
1982	0.872	+0.0%
1983	0.884	+1.4%
1984	0.89	+0.7%
1985	0.889	-0.1%
1986	0.875	-1.6%
1987	0.881	+0.7%
1988	0.89	+1.0%
1989	0.89	+0.0%
1990	0.89	+0.0%
1991	0.872	-2.0%
1992	0.872	+0.0%
1993	0.872	+0.0%
1994	0.872	+0.0%
1995	0.877	+0.6%
1996	0.891	+1.6%
1997	0.891	+0.0%
1998	0.891	+0.0%
1999	0.89	-0.1%
2000	0.889	-0.1%
2001	0.888	-0.1%
2002	0.889	+0.1%
2003	0.889	+0.0%
2004	0.889	+0.0%
2005	0.893	+0.4%
2006	0.894	+0.1%
2007	0.894	+0.0%
2008	0.894	+0.0%
2009	0.894	+0.0%
2010	0.895	+0.1%
2011	0.888	-0.8%
2012	0.89	+0.2%
2013	0.886	-0.4%
2014	0.886	+0.0%
2015	0.891	+0.6%
2016	0.888	-0.3%
2017	0.898	+1.1%
2018	0.898	+0.0%
2019	0.882	-1.8%
2020	0.892	+1.1%
2021	0.895	+0.3%
2022	0.869	-2.9%
2023	0.871	+0.2%
2024	0.893	+2.5%
2025	0.874	-2.1%

Portugal compared with similar countries

Portugal's 0.874 is above the median for high income countries, which is 0.868, 1.0× the median. (55 countries reporting)
Portugal's 0.874 is above the median for Europe & Central Asia, which is 0.8555, 1.0× the median. (48 countries reporting)

Biggest year-on-year movements

Years where Freedom of Association 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
1820	+1800.0%	0.033	0.627
1835	+590.0%	0.05	0.345
1974	+257.7%	0.123	0.44
1828	-93.7%	0.478	0.03
1975	+78.6%	0.44	0.786
1926	-70.5%	0.447	0.132

Averages by decade

Decade	Average	Lowest	Highest	Years
1780s	0.033	0.033	0.033	1
1790s	0.033	0.033	0.033	10
1800s	0.033	0.033	0.033	10
1810s	0.033	0.033	0.033	10
1820s	0.4632	0.03	0.658	10
1830s	0.2105	0.03	0.43	10
1840s	0.4106	0.391	0.429	10
1850s	0.3794	0.344	0.427	10
1860s	0.416	0.389	0.422	10
1870s	0.4156	0.367	0.428	10
1880s	0.4257	0.424	0.428	10
1890s	0.427	0.418	0.434	10
1900s	0.3586	0.35	0.365	10
1910s	0.4126	0.379	0.43	10
1920s	0.3076	0.093	0.45	10
1930s	0.0822	0.075	0.093	10
1940s	0.0811	0.079	0.084	10
1950s	0.0821	0.081	0.085	10
1960s	0.087	0.085	0.094	10
1970s	0.515	0.113	0.876	10
1980s	0.8828	0.872	0.89	10
1990s	0.8818	0.872	0.891	10
2000s	0.8913	0.888	0.894	10
2010s	0.8902	0.882	0.898	10
2020s	0.8823	0.869	0.895	6

Countries ranked near Portugal

See the full ranking of 176 places →

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)

All data for Portugal →

Frequently asked questions

What is freedom of association index in Portugal?: Freedom of association index in Portugal was 0.874 in 2025, according to V-Dem (2026) – processed by Our World in Data.
What is the highest freedom of association index recorded in Portugal?: The highest recorded value was 0.898 in 2017.
What is the lowest freedom of association index recorded in Portugal?: The lowest recorded value was 0.03 in 1828.
How does Portugal rank for freedom of association index?: Portugal ranks 35th out of 176 countries with data for 2025.
Is freedom of association index rising or falling in Portugal?: Over the last ten years it is down 1.9%. 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 Freedom of Association Index. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 237 observations, free to reuse under CC BY 4.0 (Our World in Data).

Share, cite or embed this page

Cite this page

Freedom of Association Index in Portugal. Statizoid, drawing on V-Dem (2026) – processed by Our World in Data. Retrieved 08 October 2026, from https://social-development.statizoid.com/stat/freedom-of-association-index/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/freedom-of-association-index/portugal/">Freedom of Association Index in Portugal</a> — Statizoid

About this data

Indicator: Freedom of Association Index
Source: V-Dem (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 176 places, 30,011 data points, 1789–2025
Last refreshed: 18 September 2026

Central estimate of the extent to which parties, including opposition parties, are allowed to form and participate in elections and the extent to which civil society organizations are allowed to form and operate freely.