Statizoid

Guinea-Bissau vs Tonga: Lower secondary school starting age

Guinea-Bissau
12 years
in 2025
Tonga
12 years
in 2025
Guinea-Bissau rank
30th
Tonga rank
30th

Lower secondary school starting age over time

  • Guinea-Bissau
  • Tonga
051015197019972025

How they compare

Guinea-Bissau currently reports 12 years against 12 years in Tonga, a difference of 0 years.

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

Guinea-Bissau ranks 30th and Tonga 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

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.