Mature Age Apprenticeships: Are They Worth It? otherwise known as a mature age apprentice, is an apprentice who begins an apprenticeship at 21 years of age or older. For pay rates before 1 July , please use the previous version of this tool.. For an overview of PACT, watch our Introduction to the Pay and Conditions Tool video. What is the National Minimum Wage for an apprentice? The National Minimum Wage (NMW) regulations depend on your age, but there is also a special rate for apprentices who are under the age of 19 or are in t.