Numbers 1:3

from twenty years old and upwards, every one able to go forth to war in Israel, - ye shall number them by their hosts, thou and Aaron;

Exodus 30:14

All who pass over to the numbered, from twenty years old and upwards, shall give the heave-offering of Yahweh.

Numbers 14:29

In this desert, shall your dead bodies fall And none of you who were numbered in all your counting, from twenty years old and upwards, - who have murmured against me,

Exodus 12:17

So then ye shall observe the unleavened cakes, because on this self-same day, brought I forth your hosts out of the land of Egypt, - so then ye shall observe this day to your generations, as a statute age-abiding,

Numbers 26:2

Reckon ye up the sum of all the assembly of the sons of Israel from twenty years old and upwards, by their ancestral houses, - every one able to go forth to war in Israel.

Numbers 32:11

Surely none of the men that came up out of Egypt from twenty years old and upwards, shall see the soil, which I sware unto Abraham, unto Isaac and unto Jacob, because they have not followed after me fully;

Numbers 33:1

These, are the departures of the sons of Israel whereby they came forth out of the land of Egypt by their hosts, - in the hand of Moses and Aaron.

Deuteronomy 3:18

So I commanded you, at that time saying, - Yahweh your God hath given unto you this land to possess it, armed, shall ye pass over before your brethren the sons of Israel all the sons of valour,

Deuteronomy 24:5

When a man taketh a new wife, he shall not go forth to war, neither shall he be charged with any business, - free, shall he be for his own house one year, and shall rejoice with his wife whom he hath taken.

2 Samuel 24:9

And Joab delivered up the sum of the number of the people, unto the king, - and there were found to be, in Israel, eight hundred thousand men of valour, drawing the sword, - and, the men of Judah, five hundred thousand men.

2 Chronicles 17:13-18

and, much business, had he, throughout the cities of Judah, - but, the men of war, the heroes of valour, were in Jerusalem.

2 Chronicles 26:11-13

And it came to pass that Uzziah had a force ready to make war, to go forth as a host in company, by the number of their reckoning, under the direction of Jeiel the scribe, and Maaseiah the officer, - under the direction of Hananiah, from among the captains of the king.

Treasury of Scripture Knowledge

Summary

From twenty years old and upward, all that are able to go forth to war in Israel: thou and Aaron shall number them by their armies.

General references

Bible References

Able

Numbers 26:2
Reckon ye up the sum of all the assembly of the sons of Israel from twenty years old and upwards, by their ancestral houses, - every one able to go forth to war in Israel.
Deuteronomy 3:18
So I commanded you, at that time saying, - Yahweh your God hath given unto you this land to possess it, armed, shall ye pass over before your brethren the sons of Israel all the sons of valour,
Deuteronomy 24:5
When a man taketh a new wife, he shall not go forth to war, neither shall he be charged with any business, - free, shall he be for his own house one year, and shall rejoice with his wife whom he hath taken.
2 Samuel 24:9
And Joab delivered up the sum of the number of the people, unto the king, - and there were found to be, in Israel, eight hundred thousand men of valour, drawing the sword, - and, the men of Judah, five hundred thousand men.
2 Chronicles 17:13
and, much business, had he, throughout the cities of Judah, - but, the men of war, the heroes of valour, were in Jerusalem.
2 Chronicles 26:11
And it came to pass that Uzziah had a force ready to make war, to go forth as a host in company, by the number of their reckoning, under the direction of Jeiel the scribe, and Maaseiah the officer, - under the direction of Hananiah, from among the captains of the king.

By their

Numbers 33:1
These, are the departures of the sons of Israel whereby they came forth out of the land of Egypt by their hosts, - in the hand of Moses and Aaron.
Exodus 12:17
So then ye shall observe the unleavened cakes, because on this self-same day, brought I forth your hosts out of the land of Egypt, - so then ye shall observe this day to your generations, as a statute age-abiding,

General references

Numbers 1:47
But the Levites by the tribe of their fathers were not numbered in their midst.