What is the difference in lower secondary school starting age between Iran, Islamic Republic of and Palau?

0 years, with Iran, Islamic Republic of ahead.

How many years of comparable data are there for Iran, Islamic Republic of and Palau?

56 years are reported by both, from 1970 to 2025.

Where does this data come from?

Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Lower secondary school starting age (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran, Islamic Republic of vs Palau: Lower secondary school starting age

Iran, Islamic Republic of

12 years

in 2025

Palau

12 years

in 2025

Iran, Islamic Republic of rank

30th

Palau rank

30th

Lower secondary school starting age over time

Iran, Islamic Republic of
Palau

How they compare

Iran, Islamic Republic of currently reports 12 years against 12 years in Palau, a difference of 0 years.

The two have swapped places 1 time across 56 shared years of data; in 1970 it was Iran, Islamic Republic of ahead.

Iran, Islamic Republic of ranks 30th and Palau ranks 30th of 209 countries.

Across the 6 decades both report, Iran, Islamic Republic of averaged higher in 1 and Palau in 1.

Head to head by decade

Decade	Iran, Islamic Republic of	Palau	Difference	Ahead
1970s	11.2 years	11 years	0.2 years	Iran, Islamic Republic of
1980s	11 years	11 years	0 years	—
1990s	11 years	11 years	0 years	—
2000s	11 years	11 years	0 years	—
2010s	11.7 years	11.9 years	0.2 years	Palau
2020s	12 years	12 years	0 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher lower secondary school starting age, Iran, Islamic Republic of or Palau?: Iran, Islamic Republic of, at 12 years against 12 years in Palau as of 2025.
What is the difference in lower secondary school starting age between Iran, Islamic Republic of and Palau?: 0 years, with Iran, Islamic Republic of ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Palau?: 56 years are reported by both, from 1970 to 2025.
How do Iran, Islamic Republic of and Palau rank globally for lower secondary school starting age?: Iran, Islamic Republic of ranks 30th and Palau ranks 30th of 209 countries.
Where does this data come from?: Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Lower secondary school starting age (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran, Islamic Republic of vs Palau: Lower secondary school starting age. Statizoid, drawing on Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 19 August 2026, from https://education.statizoid.com/compare/lower-secondary-school-starting-age-years/iran-islamic-rep/palau/

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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.