Key features of liberal democracy, gaps filled in Sao Tome and Principe

Sao Tome and Principe: Key features of liberal democracy, gaps filled was 0.519 in 2025. ◆ Volatile

Latest (2025)
0.519
Change on year
unchanged
World rank
60th
of 176 countries
All-time high
0.557
in 2020
All-time low
0.079
in 1953
Years of data
126
1900–2025

Key features of liberal democracy, gaps filled in Sao Tome and Principe, 1900–2025

0.10.20.30.40.50.6190019622025

Source: Statizoid (derived).

Analysis

In 2025, key features of liberal democracy, gaps filled in Sao Tome and Principe stood at 0.519.

The figure is down 6.3% over ten years.

Over the whole period, key features of liberal democracy, gaps filled in Sao Tome and Principe peaked at 0.557 in 2020 and was at its lowest, 0.079, in 1953.

Sao Tome and Principe ranks 60th of 176 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.

Key features of liberal democracy, gaps filled in Sao Tome and Principe, year by year

Annual values for Key features of liberal democracy, gaps filled in Sao Tome and Principe, 1900 to 2025.
Year Value Change
1900 0.083
1901 0.083 +0.0%
1902 0.083 +0.0%
1903 0.083 +0.0%
1904 0.083 +0.0%
1905 0.083 +0.0%
1906 0.083 +0.0%
1907 0.083 +0.0%
1908 0.083 +0.0%
1909 0.083 +0.0%
1910 0.083 +0.0%
1911 0.084 +1.2%
1912 0.084 +0.0%
1913 0.084 +0.0%
1914 0.084 +0.0%
1915 0.084 +0.0%
1916 0.084 +0.0%
1917 0.084 +0.0%
1918 0.084 +0.0%
1919 0.084 +0.0%
1920 0.084 +0.0%
1921 0.084 +0.0%
1922 0.084 +0.0%
1923 0.084 +0.0%
1924 0.084 +0.0%
1925 0.084 +0.0%
1926 0.083 -1.2%
1927 0.083 +0.0%
1928 0.083 +0.0%
1929 0.083 +0.0%
1930 0.083 +0.0%
1931 0.083 +0.0%
1932 0.083 +0.0%
1933 0.083 +0.0%
1934 0.083 +0.0%
1935 0.083 +0.0%
1936 0.083 +0.0%
1937 0.083 +0.0%
1938 0.083 +0.0%
1939 0.083 +0.0%
1940 0.083 +0.0%
1941 0.083 +0.0%
1942 0.083 +0.0%
1943 0.083 +0.0%
1944 0.083 +0.0%
1945 0.083 +0.0%
1946 0.083 +0.0%
1947 0.083 +0.0%
1948 0.083 +0.0%
1949 0.083 +0.0%
1950 0.083 +0.0%
1951 0.083 +0.0%
1952 0.083 +0.0%
1953 0.079 -4.8%
1954 0.082 +3.8%
1955 0.083 +1.2%
1956 0.083 +0.0%
1957 0.083 +0.0%
1958 0.083 +0.0%
1959 0.083 +0.0%
1960 0.083 +0.0%
1961 0.084 +1.2%
1962 0.085 +1.2%
1963 0.085 +0.0%
1964 0.086 +1.2%
1965 0.086 +0.0%
1966 0.086 +0.0%
1967 0.086 +0.0%
1968 0.086 +0.0%
1969 0.086 +0.0%
1970 0.086 +0.0%
1971 0.086 +0.0%
1972 0.087 +1.2%
1973 0.104 +19.5%
1974 0.099 -4.8%
1975 0.148 +49.5%
1976 0.159 +7.4%
1977 0.159 +0.0%
1978 0.159 +0.0%
1979 0.159 +0.0%
1980 0.159 +0.0%
1981 0.159 +0.0%
1982 0.159 +0.0%
1983 0.159 +0.0%
1984 0.159 +0.0%
1985 0.159 +0.0%
1986 0.159 +0.0%
1987 0.168 +5.7%
1988 0.168 +0.0%
1989 0.168 +0.0%
1990 0.201 +19.6%
1991 0.403 +100.5%
1992 0.493 +22.3%
1993 0.501 +1.6%
1994 0.503 +0.4%
1995 0.508 +1.0%
1996 0.5 -1.6%
1997 0.492 -1.6%
1998 0.495 +0.6%
1999 0.513 +3.6%
2000 0.509 -0.8%
2001 0.511 +0.4%
2002 0.505 -1.2%
2003 0.511 +1.2%
2004 0.517 +1.2%
2005 0.524 +1.4%
2006 0.526 +0.4%
2007 0.527 +0.2%
2008 0.527 +0.0%
2009 0.527 +0.0%
2010 0.536 +1.7%
2011 0.54 +0.7%
2012 0.537 -0.6%
2013 0.547 +1.9%
2014 0.548 +0.2%
2015 0.554 +1.1%
2016 0.548 -1.1%
2017 0.537 -2.0%
2018 0.531 -1.1%
2019 0.556 +4.7%
2020 0.557 +0.2%
2021 0.554 -0.5%
2022 0.542 -2.2%
2023 0.54 -0.4%
2024 0.519 -3.9%
2025 0.519 +0.0%

Averages by decade

DecadeAverage LowestHighest Years
1900s 0.083 0.083 0.083 10
1910s 0.0839 0.083 0.084 10
1920s 0.0836 0.083 0.084 10
1930s 0.083 0.083 0.083 10
1940s 0.083 0.083 0.083 10
1950s 0.0825 0.079 0.083 10
1960s 0.0853 0.083 0.086 10
1970s 0.1246 0.086 0.159 10
1980s 0.1617 0.159 0.168 10
1990s 0.4609 0.201 0.513 10
2000s 0.5184 0.505 0.527 10
2010s 0.5434 0.531 0.556 10
2020s 0.5385 0.519 0.557 6

Countries ranked near Sao Tome and Principe

  1. 57 Guatemala 0.523 compare
  2. 58 Gambia 0.522 compare
  3. 59 Botswana 0.52 compare
  4. 60 Namibia 0.519 compare
  5. 62 Lesotho 0.512 compare
  6. 63 Peru 0.506 compare

See the full ranking of 176 places →

More social development data for Sao Tome and Principe

All data for Sao Tome and Principe →

Frequently asked questions

What is key features of liberal democracy, gaps filled in Sao Tome and Principe?
Key features of liberal democracy, gaps filled in Sao Tome and Principe was 0.519 in 2025, according to Statizoid (derived).
What is the highest key features of liberal democracy, gaps filled recorded in Sao Tome and Principe?
The highest recorded value was 0.557 in 2020.
What is the lowest key features of liberal democracy, gaps filled recorded in Sao Tome and Principe?
The lowest recorded value was 0.079 in 1953.
How does Sao Tome and Principe rank for key features of liberal democracy, gaps filled?
Sao Tome and Principe ranks 60th out of 176 countries with data for 2025.
Is key features of liberal democracy, gaps filled rising or falling in Sao Tome and Principe?
Over the last ten years it is down 6.3%. The long-run trend across the full record is volatile.
Where does this Sao Tome and Principe data come from?
The figures come from Statizoid (derived), published as part of Key features of liberal democracy, gaps filled. Statizoid updates them automatically from the source API.

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Key features of liberal democracy, gaps filled in Sao Tome and Principe. Statizoid, drawing on Statizoid (derived). Retrieved 31 August 2026, from https://social-development.statizoid.com/stat/key-features-of-liberal-democracy-gaps-filled/sao-tome-and-principe/

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How this figure is calculated

Key features of liberal democracy with 58 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.

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
Key features of liberal democracy, gaps filled
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
176 places, 28,729 data points, 1789–2025
Last refreshed

Key features of liberal democracy with 58 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.