I don't know that it will be a billion people, exactly.
But from what is written in Revelation 7:
9 After this I beheld, and, lo,
a great multitude, which no man could number, of all nations, and kindreds, and people, and tongues, stood before the throne, and before the Lamb, clothed with white robes, and palms in their hands;
On the other side of the argument....
Matthew 7:13 Enter ye in at the strait gate: for wide is the gate, and broad is the way, that leadeth to destruction, and many there be which go in thereat:
14 Because strait is the gate, and narrow is the way, which leadeth unto life, and few there be that find it.
Only those of the Faith of Jesus..............
Isaiah 43:19
Behold, I will do a new thing; now shall it spring forth; shall ye not know it?
I will even make a
Way in the wilderness, and rivers in the desert.
John 14:6
Jesus is saying to him: "
I am the Way and the Truth, and the Life. No one is coming toward the Father except thru Me".
Acts 6:7
Then the word of God spread, and the number of
the disciples multiplied greatly in Jerusalem, and a great many of the priests were obedient to the faith.
Acts 9:2
1 But Saul, still breathing threats and slaughter against the disciples of the Lord, went to
the high priest, 2 and asked for letters from him to the synagogues of Damascus, that if he found any who were of
the Way, whether men or women,
he might bring them bound to Jerusalem.
===========================
Rev 7:9
After these things I looked, and behold, a
vast throng which no one could number, of all nations, tribes, peoples, and tongues, standing before the throne and before the Lamb, clothed with white robes, with palm branches in their hands,
Revelation 17:
15 And He is saying to me "These the Waters which thou saw, where
the harlot is sitting, are peoples and
multitudes<3793> are being, and nations and tongues.
16 And the ten Horns which thou saw and the Beast,
These shall be hating the harlot,
and shall be making Her desolate<2049> and naked,
They appear to be particularly elated, joyful, excited and thrilled concerning the destruction of the Great harlot:
Rev 19:
1 After these I hear as a great sound of a
vast throng in the heaven, saying,
‘
HalleluYah!
the salvation and the glory and the honor, and the power of our God;
3 And a second time they have declared<4483> ‘
HalleluYah!
and
the smoke of Her is ascending into the ages of the ages!"
6 And I hear as sound of
a vast throng and as a sound of
many waters and as sound of
strong thunders, strong saying:
"
HalleluYah!
that reigns Lord the God *of-us, the Almighty.
https://israelstudycenter.com/hebrew-hallelujah/
“Hallelu” (הללו) and “Yah” (יה).
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