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 0.7689 NPIA in 2022. ▬ Flat

Latest (2022)
0.7689 NPIA
World rank
22nd
of 50 countries
All-time high
0.9815 NPIA
in 2018
All-time low
0.7689 NPIA
in 2022
Years of data
8
2000–2022

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

00.20.40.60.812000201120222000: 0.845 NPIA2003: 0.839 NPIA2006: 0.853 NPIA2009: 0.888 NPIA2012: 0.918 NPIA2015: 0.855 NPIA2018: 0.982 NPIA2022: 0.769 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 United States of America is 0.7689 NPIA, measured in 2022. That is the lowest value across all 8 years on record.

Compared with earlier readings it is down 16.3% over ten years.

Over the whole period, proportion of students at the end of lower secondary education in United States of America peaked at 0.9815 NPIA in 2018 and was at its lowest, 0.7689 NPIA, in 2022.

That places United States of America 22nd out of 50 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 mathematics, adjusted native parity index (NPIA) in United States of America, 2000 to 2022.
Year NPIA Change
2000 0.8453 NPIA
2003 0.8386 NPIA -0.8%
2006 0.8532 NPIA +1.7%
2009 0.8878 NPIA +4.0%
2012 0.9181 NPIA +3.4%
2015 0.855 NPIA -6.9%
2018 0.9815 NPIA +14.8%
2022 0.7689 NPIA -21.7%

Averages by decade

DecadeAverage LowestHighest Years
2000s 0.8562 NPIA 0.8386 NPIA 0.8878 NPIA 4
2010s 0.9182 NPIA 0.855 NPIA 0.9815 NPIA 3
2020s 0.7689 NPIA 0.7689 NPIA 0.7689 NPIA 1

Countries ranked near United States of America

  1. 19 Slovakia 0.8386 NPIA compare
  2. 20 Lebanon 0.8149 NPIA compare
  3. 21 Japan 0.8133 NPIA compare
  4. 23 Türkiye 0.7684 NPIA compare
  5. 24 Italy 0.76 NPIA compare
  6. 25 Argentina 0.756 NPIA compare

See the full ranking of 50 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 0.7689 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 0.9815 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 0.7689 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 22nd out of 50 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 16.3%. 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 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 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-38/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 mathematics, adjusted native parity index (NPIA)
Unit
NPIA
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
50 places, 355 data points, 1995–2023
Last refreshed

February 2026 Data Release