Proportion of students at the end of primary education achieving at least a minimum proficiency level in reading, adjusted native parity index (NPIA) — every country, all years (World Bank)
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/ Every country, region and year the World Bank publishes for indicator UIS.READ.PRIMARY.NPIA (Education Statistics), delivered as a tidy table — country, ISO code, year and value — ready for analysis in Excel, R, Python or the Intigal AI workspace. Original compiler: UNESCO Institute for Statistics.
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- 10/17/2026, 1:35:17 PM
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Version 1: Listed from the publisher's open-data release.
Original source: api.worldbank.org · CC BY 4.0 — free to reuse with attribution to the World Bank