Spain vs Tanzania: Theoretical duration of secondary education (years)
Spain
6 years
in 2025
Tanzania
6 years
in 2025
Spain rank
99th
Tanzania rank
99th
Theoretical duration of secondary education (years) over time
- Spain
- Tanzania
How they compare
Spain currently reports 6 years against 6 years in Tanzania, a difference of 0 years.
The two have swapped places 1 time across 56 shared years of data; in 1970 it was Spain ahead.
Spain ranks 99th and Tanzania ranks 99th of 221 countries.
Spain has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Spain | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 7 years | 6 years | 1 years | Spain |
| 1980s | 7 years | 6 years | 1 years | Spain |
| 1990s | 6.6 years | 6 years | 0.6 years | Spain |
| 2000s | 6 years | 6 years | 0 years | — |
| 2010s | 6 years | 6 years | 0 years | — |
| 2020s | 6 years | 6 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of secondary education, Spain or Tanzania?
- Spain, at 6 years against 6 years in Tanzania as of 2025.
- What is the difference in theoretical duration of secondary education between Spain and Tanzania?
- 0 years, with Spain ahead.
- How many years of comparable data are there for Spain and Tanzania?
- 56 years are reported by both, from 1970 to 2025.
- How do Spain and Tanzania rank globally for theoretical duration of secondary education?
- Spain ranks 99th and Tanzania ranks 99th of 221 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of secondary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
February 2026 Data Release