UIS · Education

United States: Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in reading, adjusted native parity index

0.81parity index (1 = parity) · 2022

Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in reading, adjusted native parity index (NPIA). UNESCO Institute for Statistics indicator READ.LOWERSEC.NPIA. Annual figures for United States from 2000 to 2022.

20002022

Every year

YearValue (parity index (1 = parity))Note
20220.815
20180.979
20150.908
20120.974
20090.944
20030.852
20000.865

Source

Published by UIS, produced by UNESCO Institute for Statistics. Licence: CC BY-SA 3.0 IGO. Retrieved 2026-11-07.

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Cite or download

UIS (2026). Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in reading, adjusted native parity index. Interva. https://interva.co/dataset/uis-read-lowersec-npia (accessed 2026-11-10). catalog snapshot 2026-11-07.

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United States: Proportion of students at the end of lower secondary education achieving at least a minimum proficiency level in reading, adjusted native parity index (2000–2022) · Interva