I can’t give a reliable number for “world literacy population increase end of 2026” from the available result, because the search hit did not return a relevant global literacy forecast or a source that measures literacy population growth to the end of 2026.

What can be said now

  • The most relevant public data source found is the World Bank’s adult literacy rate indicator, which tracks literacy rate, not a projected global population increase in literate people.
  • UNESCO’s literacy materials are the right kind of source for global literacy context, but the result I found was a 2025 factsheet rather than a 2026 forecast.

Best interpretation

If you mean how many additional people worldwide are expected to be literate by the end of 2026 , that would require a forecast built from population growth plus changes in literacy rates, and I don’t have a verified figure for that from the available sources.

Closest useful figure

A practical way to estimate it is:

  1. Start with the global adult population.
  2. Apply the current literacy rate.
  3. Compare it with a projected end-2026 literacy rate.
  4. The difference is the estimated increase in literate people.

Result

SORRY, FAILED