Sierra Leone vs Trinidad and Tobago: Theoretical duration of lower secondary education

Sierra Leone
3 years
in 2025
Trinidad and Tobago
3 years
in 2025
Sierra Leone rank
91st
Trinidad and Tobago rank
91st

Theoretical duration of lower secondary education over time

  • Sierra Leone
  • Trinidad and Tobago
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How they compare

Sierra Leone currently reports 3 years against 3 years in Trinidad and Tobago, a difference of 0 years.

The two have swapped places 1 time across 56 shared years of data; in 1970 it was Sierra Leone ahead.

Sierra Leone ranks 91st and Trinidad and Tobago ranks 91st of 221 countries.

Sierra Leone has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade Sierra Leone Trinidad and Tobago Difference Ahead
1970s 5 years 3 years 2 years Sierra Leone
1980s 5 years 3 years 2 years Sierra Leone
1990s 4.6 years 3 years 1.6 years Sierra Leone
2000s 3 years 3 years 0 years
2010s 3 years 3 years 0 years
2020s 3 years 3 years 0 years

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of lower secondary education, Sierra Leone or Trinidad and Tobago?
Sierra Leone, at 3 years against 3 years in Trinidad and Tobago as of 2025.
What is the difference in theoretical duration of lower secondary education between Sierra Leone and Trinidad and Tobago?
0 years, with Sierra Leone ahead.
How many years of comparable data are there for Sierra Leone and Trinidad and Tobago?
56 years are reported by both, from 1970 to 2025.
How do Sierra Leone and Trinidad and Tobago rank globally for theoretical duration of lower secondary education?
Sierra Leone ranks 91st and Trinidad and Tobago ranks 91st 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.

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Sierra Leone vs Trinidad and Tobago: Theoretical duration of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 10 September 2026, from https://education.statizoid.com/compare/theoretical-duration-of-lower-secondary-education-years-2/sierra-leone/trinidad-and-tobago/

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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