Congo vs Iran: Lower secondary school starting age
Congo
12 years
in 2025
Iran
12 years
in 2025
Congo rank
30th
Iran rank
30th
Lower secondary school starting age over time
- Congo
- Iran
How they compare
Congo currently reports 12 years against 12 years in Iran, a difference of 0 years.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was Iran ahead.
Globally, Congo ranks 30th and Iran ranks 30th of 209 countries.
Individual pages
About this data
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.