The Leviteswere numberedfrom thirtyyearsoldand upward,and their numberby censusof menwas 38,000
And he gatheredtogether allthe leadersof Israelwith the priestsand the Levites.
Thesewere the sonsof Leviaccording to their fathers'households,[even] the headsof the fathers'[households] of those of them who were counted,in the numberof namesby their census,doingthe workfor the serviceof the houseof the LORD,from twentyyearsoldand upward.
withoutregard to their genealogicalenrollment,to the malesfrom thirtyyearsoldand upward--everyonewho enteredthe houseof the LORDfor his dailyobligations--for their workin their dutiesaccording to their divisions;
"Thisis what[applies] to the Levites:from twenty-fiveyearsoldand upwardthey shall enterto performservicein the workof the tentof meeting.