Exodus 30:14

{Everyone who is counted} from {twenty years old} and above will give the contribution of Yahweh.

Numbers 1:3

from {twenty years old} and above, everyone in Israel who [is able] to go to war. You and Aaron must muster them for their wars.

Numbers 1:18

and they summoned the entire community on [the] first day of the second month. And they registered themselves among their clans according to {their families}, according to [the] number of names from {those twenty years old} and above individually,

Numbers 1:20

The descendants of Reuben, the firstborn of Israel, their genealogies according to their clans, according to {their families}, according to [the] number of names, every male individually from {twenty years old} and above, everyone who [is able] to go to war:

Numbers 14:29

in this desert your corpses will fall, and all your counted ones, according to all your number, from {twenty years old} and above who grumbled against me.

Numbers 26:2

"{Take a census} of the community of the {Israelites} from {those twenty years old} and above, according to {their families}, all who are able to go out to war in Israel."

Numbers 32:11

'The men who went up from Egypt, from {those twenty years old} and above, will not see the land that I swore with an oath to Abraham, Isaac, and Jacob because they have not wholly followed me,

Treasury of Scripture Knowledge

Summary

Every one that passeth among them that are numbered, from twenty years old and above, shall give an offering unto the LORD.

Bible References

From twenty

Numbers 1:3
from {twenty years old} and above, everyone in Israel who [is able] to go to war. You and Aaron must muster them for their wars.
Numbers 14:29
in this desert your corpses will fall, and all your counted ones, according to all your number, from {twenty years old} and above who grumbled against me.
Numbers 26:2
"{Take a census} of the community of the {Israelites} from {those twenty years old} and above, according to {their families}, all who are able to go out to war in Israel."
Numbers 32:11
'The men who went up from Egypt, from {those twenty years old} and above, will not see the land that I swore with an oath to Abraham, Isaac, and Jacob because they have not wholly followed me,