Chile vs Nigeria: Lower secondary school starting age

Chile

12 years

in 2025

Nigeria

12 years

in 2025

Chile rank

30th

Nigeria rank

30th

Lower secondary school starting age over time

Chile
Nigeria

How they compare

Chile currently reports 12 years against 12 years in Nigeria, a difference of 0 years.

The two have swapped places 2 times across 56 shared years of data; in 1970 it was Nigeria ahead.

Globally, Chile ranks 30th and Nigeria ranks 30th of 209 countries.

Individual pages

About this data

Indicator: Lower secondary school starting age (years)
Unit: years
Source: Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 209 places, 11,411 data points, 1970–2025
Last refreshed: 06 August 2026

Lower secondary school starting age is the age at which students would enter lower secondary education, assuming they had started at the official entrance age for the lowest level of education, had studied full-time throughout and had progressed through the system without repeating or skipping a grade.