Nigeria vs Sudan: Secondary education, duration

Nigeria

6 years

in 2025

Sudan

6 years

in 2025

Nigeria rank

91st

Sudan rank

91st

Secondary education, duration over time

Nigeria currently reports 6 years against 6 years in Sudan, a difference of 0 years.

The two have swapped places 1 time across 28 shared years of data; in 1998 it was Nigeria ahead.

Globally, Nigeria ranks 91st and Sudan ranks 91st 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.