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JSPES, Vol. 31, No. 2 (Summer 2006 )
pp. 191-196

The Relation Between Childhood IQ and Income in Middle Age

Paul Irwing

University of Manchester

Richard Lynn

University of Ulster

Jencks' (1972) classical study Inequality reported a correlation of 0.310 between IQ and income for men in the United States. The present study examines whether this result can be replicated in Britain. Data are reported for a national sample whose intelligence was obtained at the age of 8 years and whose income was obtained at the age 43 years. The correlations between IQ and income were 0.368 for men (n=1280) and 0.317 for women (n=1085).