Free country, gaps filled in Sao Tome and Principe

Sao Tome and Principe: Free country, gaps filled was 2 in 2025. ◆ Volatile

Latest (2025)
2
Change on year
unchanged
World rank
1st
of 199 countries
All-time high
2
in 1991
All-time low
0
in 1977
Years of data
51
1975–2025

Free country, gaps filled in Sao Tome and Principe, 1975–2025

00.511.52197520002025

Source: Statizoid (derived).

Analysis

Sao Tome and Principe recorded 2 for free country, gaps filled in 2025. That is the highest value across all 51 years on record.

That represents a change of unchanged over ten years.

Over the whole period, free country, gaps filled in Sao Tome and Principe peaked at 2 in 1991 and was at its lowest, 0, in 1977.

Sao Tome and Principe ranks 1st of 199 countries on this measure, in the top 10%.

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

Free country, gaps filled in Sao Tome and Principe, year by year

Annual values for Free country, gaps filled in Sao Tome and Principe, 1975 to 2025.
Year Value Change
1975 1
1976 1 +0.0%
1977 0 -100.0%
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 1
1991 2 +100.0%
1992 2 +0.0%
1993 2 +0.0%
1994 2 +0.0%
1995 2 +0.0%
1996 2 +0.0%
1997 2 +0.0%
1998 2 +0.0%
1999 2 +0.0%
2000 2 +0.0%
2001 2 +0.0%
2002 2 +0.0%
2003 2 +0.0%
2004 2 +0.0%
2005 2 +0.0%
2006 2 +0.0%
2007 2 +0.0%
2008 2 +0.0%
2009 2 +0.0%
2010 2 +0.0%
2011 2 +0.0%
2012 2 +0.0%
2013 2 +0.0%
2014 2 +0.0%
2015 2 +0.0%
2016 2 +0.0%
2017 2 +0.0%
2018 2 +0.0%
2019 2 +0.0%
2020 2 +0.0%
2021 2 +0.0%
2022 2 +0.0%
2023 2 +0.0%
2024 2 +0.0%
2025 2 +0.0%

Averages by decade

DecadeAverage LowestHighest Years
1970s 0.4 0 1 5
1980s 0 0 0 10
1990s 1.9 1 2 10
2000s 2 2 2 10
2010s 2 2 2 10
2020s 2 2 2 6

Countries ranked near Sao Tome and Principe

  1. 1 Andorra 2 compare
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  3. 1 Antigua and Barbuda 2 compare
  4. 1 Australia 2 compare
  5. 1 Austria 2 compare
  6. 1 Belgium 2 compare
  7. 1 Bulgaria 2 compare
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  9. 1 Belize 2 compare
  10. 1 Bolivia, Plurinational State of 2 compare
  11. 1 Brazil 2 compare
  12. 1 Barbados 2 compare
  13. 1 Bhutan 2 compare
  14. 1 Botswana 2 compare
  15. 1 Canada 2 compare
  16. 1 Switzerland 2 compare
  17. 1 Chile 2 compare
  18. 1 Colombia 2 compare
  19. 1 Cape Verde 2 compare
  20. 1 Costa Rica 2 compare
  21. 1 Cyprus 2 compare
  22. 1 Czechia 2 compare
  23. 1 Germany 2 compare
  24. 1 Dominica 2 compare
  25. 1 Denmark 2 compare
  26. 1 Spain 2 compare
  27. 1 Estonia 2 compare
  28. 1 Finland 2 compare
  29. 1 Fiji 2 compare
  30. 1 France 2 compare
  31. 1 Micronesia, Federated States of 2 compare
  32. 1 United Kingdom of Great Britain and Northern Ireland 2 compare
  33. 1 Ghana 2 compare
  34. 1 Greece 2 compare
  35. 1 Grenada 2 compare
  36. 1 Guyana 2 compare
  37. 1 Croatia 2 compare
  38. 1 Ireland 2 compare
  39. 1 Iceland 2 compare
  40. 1 Israel 2 compare
  41. 1 Italy 2 compare
  42. 1 Jamaica 2 compare
  43. 1 Japan 2 compare
  44. 1 Kiribati 2 compare
  45. 1 Saint Kitts and Nevis 2 compare
  46. 1 Republic of Korea 2 compare
  47. 1 Saint Lucia 2 compare
  48. 1 Liechtenstein 2 compare
  49. 1 Lesotho 2 compare
  50. 1 Lithuania 2 compare
  51. 1 Luxembourg 2 compare
  52. 1 Latvia 2 compare
  53. 1 Monaco 2 compare
  54. 1 Marshall Islands 2 compare
  55. 1 Malta 2 compare
  56. 1 Mongolia 2 compare
  57. 1 Mauritius 2 compare
  58. 1 Malawi 2 compare
  59. 1 Namibia 2 compare
  60. 1 Netherlands 2 compare
  61. 1 Norway 2 compare
  62. 1 Naoero 2 compare
  63. 1 New Zealand 2 compare
  64. 1 Panama 2 compare
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  66. 1 Poland 2 compare
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  68. 1 Portugal 2 compare
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  70. 1 Senegal 2 compare
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  73. 1 Suriname 2 compare
  74. 1 Slovakia 2 compare
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  79. 1 Tonga 2 compare
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  81. 1 Tuvalu 2 compare
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  83. 1 United States of America 2 compare
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  87. 1 South Africa 2 compare
  88. 1 Taiwan, China 2 compare

See the full ranking of 199 places →

More reference data data for Sao Tome and Principe

All data for Sao Tome and Principe →

Frequently asked questions

What is free country, gaps filled in Sao Tome and Principe?
Free country, gaps filled in Sao Tome and Principe was 2 in 2025, according to Statizoid (derived).
What is the highest free country, gaps filled recorded in Sao Tome and Principe?
The highest recorded value was 2 in 1991.
What is the lowest free country, gaps filled recorded in Sao Tome and Principe?
The lowest recorded value was 0 in 1977.
How does Sao Tome and Principe rank for free country, gaps filled?
Sao Tome and Principe ranks 1st out of 199 countries with data for 2025.
Is free country, gaps filled rising or falling in Sao Tome and Principe?
Over the last ten years it is unchanged. 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 Free country, gaps filled. Statizoid updates them automatically from the source API.

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Free country, gaps filled in Sao Tome and Principe. Statizoid, drawing on Statizoid (derived). Retrieved 08 September 2026, from https://reference.statizoid.com/stat/free-country-gaps-filled/sao-tome-and-principe/

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<a href="https://reference.statizoid.com/stat/free-country-gaps-filled/sao-tome-and-principe/">Free country, gaps filled in Sao Tome and Principe</a> — Statizoid

How this figure is calculated

Free country with 183 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
Free country, gaps filled
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
199 places, 10,266 data points, 1972–2025
Last refreshed

Free country with 183 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.