Chad vs Tonga: Secondary education, duration

Chad

7 years

in 2025

Tonga

7 years

in 2025

Chad rank

26th

Tonga rank

26th

Secondary education, duration over time

Chad 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 Chad ahead.

Globally, Chad ranks 26th and Tonga ranks 26th of 209 countries.

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: 06 August 2026

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