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

12 years are reported by both, from 2014 to 2025.

Where does this data come from?

UNESCO Institute for Statistics, published as Administration of a nationally-representative learning assessment at the end of lower secondary education in mathematics (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran, Islamic Republic of vs Samoa: Administration of a nationally-representative learning assessment at

Iran, Islamic Republic of

in 2025

Samoa

in 2025

Iran, Islamic Republic of rank

1st

Samoa rank

1st

Administration of a nationally-representative learning assessment at over time

Iran, Islamic Republic of
Samoa

How they compare

Iran, Islamic Republic of currently reports 1 against 1 in Samoa, a difference of 0.

The two have swapped places 1 time across 12 shared years of data; in 2014 it was Iran, Islamic Republic of ahead.

Iran, Islamic Republic of ranks 1st and Samoa ranks 1st of 228 countries.

Iran, Islamic Republic of has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade	Iran, Islamic Republic of	Samoa	Difference	Ahead
2010s	1	0	1	Iran, Islamic Republic of
2020s	1	0.8333	0.1667	Iran, Islamic Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher administration of a nationally-representative learning assessment at, Iran, Islamic Republic of or Samoa?: Iran, Islamic Republic of, at 1 against 1 in Samoa as of 2025.
What is the difference in administration of a nationally-representative learning assessment at between Iran, Islamic Republic of and Samoa?: 0, with Iran, Islamic Republic of ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Samoa?: 12 years are reported by both, from 2014 to 2025.
How do Iran, Islamic Republic of and Samoa rank globally for administration of a nationally-representative learning assessment at?: Iran, Islamic Republic of ranks 1st and Samoa ranks 1st of 228 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Administration of a nationally-representative learning assessment at the end of lower secondary education in mathematics (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran, Islamic Republic of vs Samoa: Administration of a nationally-representative learning assessment at. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 03 September 2026, from https://education.statizoid.com/compare/administration-of-a-nationally-representative-learning-assessment-at-the-end-of-lower-3/iran-islamic-rep/samoa/

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About this data

Indicator: Administration of a nationally-representative learning assessment at the end of lower secondary education in mathematics (number)
Source: UNESCO Institute for Statistics
Licence: CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage: 235 places, 2,820 data points, 2014–2025
Last refreshed: 16 August 2026

February 2026 Data Release