Proportion of students at the end of lower secondary education in United States of America

United States of America: Proportion of students at the end of lower secondary education was 0.8148 NPIA in 2022. ▬ Flat

Latest (2022)
0.8148 NPIA
World rank
21st
of 49 countries
All-time high
0.979 NPIA
in 2018
All-time low
0.8148 NPIA
in 2022
Years of data
7
2000–2022

Proportion of students at the end of lower secondary education in United States of America, 2000–2022

00.20.40.60.812000201120222000: 0.865 NPIA2003: 0.852 NPIA2009: 0.944 NPIA2012: 0.974 NPIA2015: 0.908 NPIA2018: 0.979 NPIA2022: 0.815 NPIA

Source: UNESCO Institute for Statistics. Measured in NPIA.

Analysis

In 2022, proportion of students at the end of lower secondary education in United States of America stood at 0.8148 NPIA. That is the lowest value across all 7 years on record.

The figure is down 16.4% over ten years.

Over the whole period, proportion of students at the end of lower secondary education in United States of America peaked at 0.979 NPIA in 2018 and was at its lowest, 0.8148 NPIA, in 2022.

That places United States of America 21st out of 49 countries with data for 2022, putting it in the middle of the range.

Proportion of students at the end of lower secondary education in United States of America, year by year

Annual values for Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in reading, adjusted native parity index (NPIA) in United States of America, 2000 to 2022.
Year NPIA Change
2000 0.8651 NPIA
2003 0.8515 NPIA -1.6%
2009 0.9441 NPIA +10.9%
2012 0.9743 NPIA +3.2%
2015 0.9082 NPIA -6.8%
2018 0.979 NPIA +7.8%
2022 0.8148 NPIA -16.8%

Averages by decade

DecadeAverage LowestHighest Years
2000s 0.8869 NPIA 0.8515 NPIA 0.9441 NPIA 3
2010s 0.9538 NPIA 0.9082 NPIA 0.979 NPIA 3
2020s 0.8148 NPIA 0.8148 NPIA 0.8148 NPIA 1

Countries ranked near United States of America

  1. 18 Portugal 0.8599 NPIA compare
  2. 19 Lithuania 0.8506 NPIA compare
  3. 20 Hungary 0.8376 NPIA compare
  4. 22 Luxembourg 0.8046 NPIA compare
  5. 23 Chile 0.8029 NPIA compare
  6. 24 Spain 0.7827 NPIA compare

See the full ranking of 49 places →

More education data for United States of America

All data for United States of America →

Frequently asked questions

What is proportion of students at the end of lower secondary education in United States of America?
Proportion of students at the end of lower secondary education in United States of America was 0.8148 NPIA in 2022, according to UNESCO Institute for Statistics.
What is the highest proportion of students at the end of lower secondary education recorded in United States of America?
The highest recorded value was 0.979 NPIA in 2018.
What is the lowest proportion of students at the end of lower secondary education recorded in United States of America?
The lowest recorded value was 0.8148 NPIA in 2022.
How does United States of America rank for proportion of students at the end of lower secondary education?
United States of America ranks 21st out of 49 countries with data for 2022.
Is proportion of students at the end of lower secondary education rising or falling in United States of America?
Over the last ten years it is down 16.4%. The long-run trend across the full record is flat.
Where does this United States of America 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 reading, 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 United States of America. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 11 September 2026, from https://education.statizoid.com/stat/proportion-of-students-at-the-end-of-lower-secondary-education-achieving-at-least-a-51/united-states/

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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 reading, adjusted native parity index (NPIA)
Unit
NPIA
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
49 places, 345 data points, 2000–2022
Last refreshed

February 2026 Data Release