Theoretical duration of upper secondary education in Saint Helena, Ascension and Tristan da Cunha
Saint Helena, Ascension and Tristan da Cunha: Theoretical duration of upper secondary education was 3 years in 2025. ▲ Rising
Latest (2025)
3 years
Change on year
unchanged
World rank
1st
of 6 countries
All-time high
3 years
in 1998
All-time low
2 years
in 1989
Years of data
20
1989–2025
Theoretical duration of upper secondary education in Saint Helena, Ascension and Tristan da Cunha, 1989–2025
Source: UNESCO Institute for Statistics. Measured in years.
Analysis
Saint Helena, Ascension and Tristan da Cunha recorded 3 years for theoretical duration of upper secondary education in 2025. That is the highest value across all 20 years on record.
The figure is unchanged over ten years.
Over the whole period, theoretical duration of upper secondary education in Saint Helena, Ascension and Tristan da Cunha peaked at 3 years in 1998 and was at its lowest, 2 years, in 1989.
The long-run direction has been consistently rising across the 20 years of available data.
Theoretical duration of upper secondary education in Saint Helena, Ascension and Tristan da Cunha, year by year
| Year | years | Change |
|---|---|---|
| 1989 | 2 years | — |
| 1990 | 2 years | +0.0% |
| 1991 | 2 years | +0.0% |
| 1992 | 2 years | +0.0% |
| 1993 | 2 years | +0.0% |
| 1994 | 2 years | +0.0% |
| 1995 | 2 years | +0.0% |
| 1996 | 2 years | +0.0% |
| 1997 | 2 years | +0.0% |
| 1998 | 3 years | +50.0% |
| 1999 | 3 years | +0.0% |
| 2017 | 3 years | +0.0% |
| 2018 | 3 years | +0.0% |
| 2019 | 3 years | +0.0% |
| 2020 | 3 years | +0.0% |
| 2021 | 3 years | +0.0% |
| 2022 | 3 years | +0.0% |
| 2023 | 3 years | +0.0% |
| 2024 | 3 years | +0.0% |
| 2025 | 3 years | +0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 2 years | 2 years | 2 years | 1 |
| 1990s | 2.2 years | 2 years | 3 years | 10 |
| 2010s | 3 years | 3 years | 3 years | 3 |
| 2020s | 3 years | 3 years | 3 years | 6 |
Countries ranked near Saint Helena, Ascension and Tristan da Cunha
- 1 Bulgaria 5 years compare
- 1 Brunei Darussalam 5 years compare
- 1 Cook Islands 3 years compare
- 1 Italy 5 years compare
- 1 Niue 3 years compare
- 1 San Marino 5 years compare
- 1 Samoa 5 years compare
- 4 Anguilla 2 years compare
- 4 Montserrat 2 years compare
- 4 Tokelau 2 years compare
More education data for Saint Helena, Ascension and Tristan da Cunha
- Duration of pre primary education, annual growth rate 0 % change on previous year (2025)
- Duration of pre primary education 1 (2025)
- Official entrance age to pre primary education 4 (2025)
- Primary secondary enrollment completion rates, gaps filled 95.65 (1998)
- Fertility rate vs mean years of schooling 1.64 (2024)
- Womens educational attainment vs fertility 1.64 (2023)
- Womens educational attainment vs fertility, annual growth rate -0.0611 % change on previous year (2023)
- Fertility rate vs share of women between 25 and 29 years old with no e 1.64 (2023)
- Primary secondary enrollment completion rates 95.65 (1998)
- Precentage enrolled in private institutions at the primary education 0 (1986)
Frequently asked questions
- What is theoretical duration of upper secondary education in Saint Helena, Ascension and Tristan da Cunha?
- Theoretical duration of upper secondary education in Saint Helena, Ascension and Tristan da Cunha was 3 years in 2025, according to UNESCO Institute for Statistics.
- What is the highest theoretical duration of upper secondary education recorded in Saint Helena, Ascension and Tristan da Cunha?
- The highest recorded value was 3 years in 1998.
- What is the lowest theoretical duration of upper secondary education recorded in Saint Helena, Ascension and Tristan da Cunha?
- The lowest recorded value was 2 years in 1989.
- How does Saint Helena, Ascension and Tristan da Cunha rank for theoretical duration of upper secondary education?
- Saint Helena, Ascension and Tristan da Cunha ranks 1st out of 6 countries with data for 2025.
- Is theoretical duration of upper secondary education rising or falling in Saint Helena, Ascension and Tristan da Cunha?
- Over the last ten years it is unchanged. The long-run trend across the full record is rising.
- Where does this Saint Helena, Ascension and Tristan da Cunha data come from?
- The figures come from UNESCO Institute for Statistics, published as part of Theoretical duration of upper secondary education (years). Statizoid updates them automatically from the source API.
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CSV · JSON — 20 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release