1 John 2:2

and he is the reconciliation for our sins, and not for ours only, but also for the sins of the whole world.

1 John 4:10

In this does the charity consist, not because we had loved God, but because he loved us and has sent his Son to be the reconciliation for our sins.

John 4:42

and said unto the woman, Now we believe, not because of thy speech; for we have heard him ourselves and know that this is indeed the Christ, the Saviour of the world.

1 John 4:14

And we have seen and do testify that the Father sent the Son to be the Saviour of the world.

John 1:29

The next day John saw Jesus coming unto him and said, Behold the Lamb of God, who takes away the sin of the world.

John 11:51-52

And this he spoke not of himself; but being high priest that year, he prophesied that Jesus should die for the nation;

John 12:32

And I, if I be lifted up from the earth, will draw all men unto me.

Romans 3:25-26

whom God purposed for reconciliation through faith in his blood for the manifestation of his righteousness, for the remission of sins that are past, by the patience of God,

2 Corinthians 5:18-21

And all this by God, who reconciled us to himself by Jesus Christ, and gave us the ministry of reconciliation;

1 Peter 2:24

he himself bore our sins in his own body on the tree, that we, being dead to sins, should live unto righteousness; by whose wound ye were healed.

1 Peter 3:18

For the Christ also has once suffered for sins, the just for the unjust, that he might bring us to God, being put to death in the flesh, but made alive in spirit,

1 John 1:7

But if we walk in the light, as he is in the light, we have communion with him in the midst of us, and the blood of Jesus Christ, his Son cleanses us from all sin.

1 John 5:19

And we know that we are of God, and the whole world lies in wickedness.

Revelation 12:9

And the great dragon was cast out, the serpent of old, who is called Devil and the Satan, who deceives the whole world; he was cast out into the earth, and his angels were cast out with him.

Treasury of Scripture Knowledge

Summary

And he is the propitiation for our sins: and not for ours only, but also for the sins of the whole world.

Bible References

He is

1 John 1:7
But if we walk in the light, as he is in the light, we have communion with him in the midst of us, and the blood of Jesus Christ, his Son cleanses us from all sin.
1 John 4:10
In this does the charity consist, not because we had loved God, but because he loved us and has sent his Son to be the reconciliation for our sins.
Romans 3:25
whom God purposed for reconciliation through faith in his blood for the manifestation of his righteousness, for the remission of sins that are past, by the patience of God,
1 Peter 2:24
he himself bore our sins in his own body on the tree, that we, being dead to sins, should live unto righteousness; by whose wound ye were healed.
1 Peter 3:18
For the Christ also has once suffered for sins, the just for the unjust, that he might bring us to God, being put to death in the flesh, but made alive in spirit,

For the

1 John 4:14
And we have seen and do testify that the Father sent the Son to be the Saviour of the world.
1 John 5:19
And we know that we are of God, and the whole world lies in wickedness.
John 1:29
The next day John saw Jesus coming unto him and said, Behold the Lamb of God, who takes away the sin of the world.
John 4:42
and said unto the woman, Now we believe, not because of thy speech; for we have heard him ourselves and know that this is indeed the Christ, the Saviour of the world.
John 11:51
And this he spoke not of himself; but being high priest that year, he prophesied that Jesus should die for the nation;
2 Corinthians 5:18
And all this by God, who reconciled us to himself by Jesus Christ, and gave us the ministry of reconciliation;
Revelation 12:9
And the great dragon was cast out, the serpent of old, who is called Devil and the Satan, who deceives the whole world; he was cast out into the earth, and his angels were cast out with him.

General references

Exodus 37:6
He made the seat of reconciliation likewise of pure gold; two cubits and a half was its length, and one cubit and a half its breadth.
Exodus 40:6
Then thou shalt set the altar of the burnt offering before the door of the tabernacle, of the tabernacle of the testimony.
Leviticus 14:29
And what is left of the oil that is in the priest's hand he shall put upon the head of the one that is to be purified, to reconcile him before the LORD.
Leviticus 23:28
And ye shall do no work in this same day; for it is a day of reconciliations, to reconcile you before the LORD your God.
Ezekiel 33:16
None of his sins that he has committed shall be mentioned unto him. Has he lived according to judgment and righteousness? He shall surely live.
Hebrews 8:12
For I will reconcile their iniquities and their sins, and their iniquities I will remember no more.