American Samoa vs Tanzania, United Republic of: Theoretical duration of lower secondary education

American Samoa
4 years
in 2025
Tanzania, United Republic of
4 years
in 2025
American Samoa rank
17th
Tanzania, United Republic of rank
17th

Theoretical duration of lower secondary education over time

  • American Samoa
  • Tanzania, United Republic of
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How they compare

American Samoa currently reports 4 years against 4 years in Tanzania, United Republic of, a difference of 0 years.

Across all 20 years both countries report, Tanzania, United Republic of has been ahead every year.

American Samoa ranks 17th and Tanzania, United Republic of ranks 17th of 215 countries.

Tanzania, United Republic of has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade American Samoa Tanzania, United Republic of Difference Ahead
1980s 2 years 4 years 2 years Tanzania, United Republic of
1990s 2.4 years 4 years 1.6 years Tanzania, United Republic of
2010s 4 years 4 years 0 years
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, American Samoa or Tanzania, United Republic of?
American Samoa, at 4 years against 4 years in Tanzania, United Republic of as of 2025.
What is the difference in theoretical duration of lower secondary education between American Samoa and Tanzania, United Republic of?
0 years, with American Samoa ahead.
How many years of comparable data are there for American Samoa and Tanzania, United Republic of?
20 years are reported by both, from 1989 to 2025.
How do American Samoa and Tanzania, United Republic of rank globally for theoretical duration of lower secondary education?
American Samoa ranks 17th and Tanzania, United Republic of ranks 17th of 215 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.

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American Samoa vs Tanzania, United Republic of: Theoretical duration of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 03 September 2026, from https://education.statizoid.com/compare/theoretical-duration-of-lower-secondary-education-years-2/american-samoa/tanzania/

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About this data

Indicator
Theoretical duration of lower secondary education (years)
Unit
years
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
221 places, 11,823 data points, 1970–2025
Last refreshed

February 2026 Data Release