Cross-references Explore similar Bible verses on Numbers 8:24 in English Standard Version "“This applies to the Levites: from twenty-five years old and upward they shall come to do duty in the service of the tent of meeting." Nu 4:3 from thirty years old up to fifty years old, all who can come on duty, to do the work in the tent of meeting. 1Ch 23:3 The Levites, thirty years old and upward, were numbered, and the total was 38,000 men. 1Ch 23:24 These were the sons of Levi by their fathers’ houses, the heads of fathers’ houses as they were listed according to the number of the names of the individuals from twenty years old and upward who were to do the work for the service of the house of the Lord. 1Ch 23:27 For by the last words of David the sons of Levi were numbered from twenty years old and upward.