Proportion of students at the end of lower secondary education in Iran, Islamic Republic of

Iran, Islamic Republic of: Proportion of students at the end of lower secondary education was 1.57 NPIA in 2015. ◆ Volatile

Latest (2015)
1.57 NPIA
World rank
1st
of 43 countries
All-time high
1.57 NPIA
in 2015
All-time low
0.1699 NPIA
in 2007
Years of data
6
1995–2015

Proportion of students at the end of lower secondary education in Iran, Islamic Republic of, 1995–2015

00.511.51995200520151995: 1.4 NPIA1999: 1.2 NPIA2003: 1.5 NPIA2007: 0.17 NPIA2011: 0.371 NPIA2015: 1.6 NPIA

Source: UNESCO Institute for Statistics. Measured in NPIA.

Analysis

The most recent figure for proportion of students at the end of lower secondary education in Iran, Islamic Republic of is 1.57 NPIA, measured in 2015. That is the highest value across all 6 years on record.

That represents a change of up 4.1% over ten years.

Over the whole period, proportion of students at the end of lower secondary education in Iran, Islamic Republic of peaked at 1.57 NPIA in 2015 and was at its lowest, 0.1699 NPIA, in 2007.

Iran, Islamic Republic of ranks 1st of 43 countries on this measure, in the top 10%.

Proportion of students at the end of lower secondary education in Iran, Islamic Republic of, year by year

Annual values for Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in mathematics, adjusted native parity index (NPIA) in Iran, Islamic Republic of, 1995 to 2015.
Year NPIA Change
1995 1.38 NPIA
1999 1.25 NPIA -9.3%
2003 1.51 NPIA +20.9%
2007 0.1699 NPIA -88.7%
2011 0.3712 NPIA +118.5%
2015 1.57 NPIA +323.1%

Averages by decade

DecadeAverage LowestHighest Years
1990s 1.31 NPIA 1.25 NPIA 1.38 NPIA 2
2000s 0.8395 NPIA 0.1699 NPIA 1.51 NPIA 2
2010s 0.971 NPIA 0.3712 NPIA 1.57 NPIA 2

Countries ranked near Iran, Islamic Republic of

  1. 2 Italy 1.24 NPIA compare
  2. 3 Morocco 1.18 NPIA compare
  3. 4 Jordan 1.11 NPIA compare

See the full ranking of 43 places →

More reference data data for Iran, Islamic Republic of

All data for Iran, Islamic Republic of →

Frequently asked questions

What is proportion of students at the end of lower secondary education in Iran, Islamic Republic of?
Proportion of students at the end of lower secondary education in Iran, Islamic Republic of was 1.57 NPIA in 2015, according to UNESCO Institute for Statistics.
What is the highest proportion of students at the end of lower secondary education recorded in Iran, Islamic Republic of?
The highest recorded value was 1.57 NPIA in 2015.
What is the lowest proportion of students at the end of lower secondary education recorded in Iran, Islamic Republic of?
The lowest recorded value was 0.1699 NPIA in 2007.
How does Iran, Islamic Republic of rank for proportion of students at the end of lower secondary education?
Iran, Islamic Republic of ranks 1st out of 43 countries with data for 2015.
Is proportion of students at the end of lower secondary education rising or falling in Iran, Islamic Republic of?
Over the last ten years it is up 4.1%. The long-run trend across the full record is volatile.
Where does this Iran, Islamic Republic of data come from?
The figures come from UNESCO Institute for Statistics, published as part of Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in mathematics, adjusted native parity index (NPIA). Statizoid updates them automatically from the source API.

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Proportion of students at the end of lower secondary education in Iran, Islamic Republic of. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 03 September 2026, from https://reference.statizoid.com/stat/proportion-of-students-at-the-end-of-lower-secondary-education-achieving-at-least-a-11/iran-islamic-rep/

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About this data

Indicator
Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in mathematics, adjusted native parity index (NPIA)
Unit
NPIA
Source
UNESCO Institute for Statistics
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
43 places, 274 data points, 1995–2018
Last refreshed

The Adjusted Native Parity Index (NPIA) is calculated by dividing the immigrant value for the indicator by the non-immigrant value for the indicator. If the resulting value exceeds 1, the ratio is inverted and subtracted from 2. The adjusted native parity index is symmetrical around 1 and lies in the range 0-2. An adjusted NPI equal to 1 indicates parity between immigrants and non-immigrants. In general, a value less than 1 indicates disparity in favor of non-immigrants and a value greater than 1 indicates disparity in favor of immigrants. For more information, consult the UNESCO Institute for Statistics: http://uis.unesco.org/