International Adult Literacy Survey (IALS)-Frequently Asked Questions

Overview
Highlights from the 1998 IALS Survey
What does IALS measure?
How was IALS administered?
Sample Design
Background Questionnaire (3.2 MB)
Data Files/Publications
Sample items
Countries
Partners
Frequently Asked Questions
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Frequently Asked Questions

What is the International Adult Literacy Survey?
What can we learn from IALS?
How was the IALS data collected?
When was the IALS data collected?
How did IALS measure literacy proficiency?

When were the IALS data collected?

IALS data were collected by the participating countries in successive cycles of data collection between 1994 and 1998, using nationally representative samples of the adult population ages 16-65. Data in the United States were collected between October and November 1994.

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