The Adult literacy index (ALI) is a statistical measure

Statistics

Statistics is the study of the collection, organization, analysis, and interpretation of data. It deals with all aspects of this, including the planning of data collection in terms of the design of surveys and experiments....

 used to determine how many adults can read and write in a certain area or nation. Adult literacy is one of the factors in measuring the Human Development Index

Human Development Index

The Human Development Index is a composite statistic used to rank countries by level of "human development" and separate "very high human development", "high human development", "medium human development", and "low human development" countries...

 (HDI) of each nation, along with life expectancy, education, and standard of living

Standard of living

Standard of living is generally measured by standards such as real income per person and poverty rate. Other measures such as access and quality of health care, income growth inequality and educational standards are also used. Examples are access to certain goods , or measures of health such as...

.


The equation for calculating the Adult Literacy Index is:

• 

ALR = Adult literacy rate (ages 15 and older)

External links

• Adult literacy rates of Great Britain