The Population (Statistics) Act 1938 (c. 12) The Population (Statistics) Act 1938 (c. 12) Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: Sch. 2 para. 22 revoked by Income Tax Act 2007 Sch. 3 Pt. 1 7Paragraph 7 The Population (Statistics) Act 1938 (c. 12)