Do Most Unbelievers Go to Hell for Eternity?

[VoiceInWilderness]

I would like to address 2 questions:
1. Do all or even most unbelievers go to hell for eternity?
2. Will all who believe in Jesus live eternally in the New Jerusalem?

This question is inspired by a post by ZNP in the "Is WL a False Prophet" thread regarding 2Pet 2:20-22 below:
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Personally I don't think the Bible teaches that those who have not received Christ will "go to hell". It does teach that those who receive Christ will not go to hell. That is different. But it doesn't help explain this verse because according to that understanding the false teachers will not go to hell having known Jesus as Lord and savior.
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But how could the judgment on a backslider be worse than the judgment on someone who never received Jesus?
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I will start off with question #1.
Where is there a verse that all unbelievers go to hell for eternity? Clearly there are some who do (Rev 14:11). But this verse does not refer to all unbelievers.
Mat 26:24 and Mark 14:21 say that the punishment on Judas will be so terrible that "it had been better for that man if he had never been born." Yet, most evangelicals say that it would have been better for most human beings if they had never been born. This cannot be. According to the 2 verses above, eternal hell is an exceptional punishment for extreme sinners.

In the Old Testament there is Israel and the nations. Israel is analagous to the church, and the nations to unbelievers. In the Old Testament no one would get the view that all the nations go to hell for eternity. It is clear that they are there in the next age. The righteous among the nations live in the next age as the nations and the righteous of Israel live on as God's people in the next age.

Please fellowship.