HJR 21 -- Qualifications of Representatives and Senators Co-Sponsors: Villa, Carnahan This proposed constitutional amendment lowers the age requirement for membership in the Missouri House of Representatives from 24 to 21 years of age and for membership in the Missouri Senate from 30 to 21 years of age. The amendment also changes the requirement to be a qualified voter for 2 years for membership in the House of Representatives to a requirement to be a qualified voter.Copyright (c) Missouri House of Representatives