Poland vs Tanzania: Theoretical duration of lower secondary education (years)
Poland
4 years
in 2025
Tanzania
4 years
in 2025
Poland rank
18th
Tanzania rank
18th
Theoretical duration of lower secondary education (years) over time
- Poland
- Tanzania
How they compare
Poland currently reports 4 years against 4 years in Tanzania, a difference of 0 years.
Across all 56 years both countries report, Tanzania has been ahead every year.
Poland ranks 18th and Tanzania ranks 18th of 221 countries.
Tanzania has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Poland | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 2.2 years | 4 years | 1.8 years | Tanzania |
| 1980s | 2.1 years | 4 years | 1.9 years | Tanzania |
| 1990s | 2 years | 4 years | 2 years | Tanzania |
| 2000s | 2.8 years | 4 years | 1.2 years | Tanzania |
| 2010s | 3 years | 4 years | 1 years | Tanzania |
| 2020s | 4 years | 4 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of lower secondary education, Poland or Tanzania?
- Poland, at 4 years against 4 years in Tanzania as of 2025.
- What is the difference in theoretical duration of lower secondary education between Poland and Tanzania?
- 0 years, with Poland ahead.
- How many years of comparable data are there for Poland and Tanzania?
- 56 years are reported by both, from 1970 to 2025.
- How do Poland and Tanzania rank globally for theoretical duration of lower secondary education?
- Poland ranks 18th and Tanzania ranks 18th of 221 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of lower 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