A literacy requirement was added in the Immigration Act of 1917.

Levels of attainment in the literacy requirement have recently improved to the current level of over 91%.

Congress passed a literacy requirement in 1917 to curb the influx of low-skilled immigrants from entering the country.

The right of suffrage was extended to all men 21 or older, eliminating the literacy requirement.

Women gained the right to vote under the same literacy requirements as men in 1932.

All of the Latin American countries had literacy requirement for voting.

In some difficult cases, the literacy requirement might be loosened to allow for motivated individuals.

They include literacy requirements that 5 year olds should:

For those over 30 the literacy requirement was abolished.

It also eliminated the literacy requirement for voting and extended suffrage to all adults 18 or older.