Statizoid

Sierra Leone vs Tonga: Secondary education, duration

Sierra Leone
7 years
in 2025
Tonga
7 years
in 2025
Sierra Leone rank
26th
Tonga rank
26th

Secondary education, duration over time

  • Sierra Leone
  • Tonga
02468197019972025

How they compare

Sierra Leone currently reports 7 years against 7 years in Tonga, a difference of 0 years.

The two have swapped places 3 times across 56 shared years of data; in 1970 it was Sierra Leone ahead.

Globally, Sierra Leone ranks 26th and Tonga ranks 26th of 209 countries.

Individual pages

About this data

Indicator
Secondary education, duration (years)
Unit
years
Source
Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
255 places, 13,986 data points, 1970–2025
Last refreshed

Secondary duration refers to the number of grades (years) in secondary school.