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An IERI – International Educational Research Institute Journal

Table 1 Age group of respondents at the time of the three adult skills surveys by birth cohort variable

From: Are large surveys of adult literacy skills as comparable over time as we think?

Cohort

1994 IALS

2003 ALL

2012 PIAAC

1930–1938

56–64 years old

1939–1947

47–55 years old

56–64 years old

1948–1956

38–46 years old

47–55 years old

56–64 years old

1957–1965

29–37 years old

38–46 years old

47–55 years old

1966–1974

20–28 years old

29–37 years old

38–46 years old

1975–1983

16–19 years old

20–28 years old

29–37 years old

1984–1992

16–19 years old

20–28 years old

1993+

16–19 years old