Since we are discussing primarily Americans here, there are two factors to always keep in mind.
The First Amendment of our Constitution (Bill of Rights) guarantees:

(1) Freedom of Religion
(2) Freedom of Speech

While people have the absolute right to believe as they choose, I also have the right to speak as I choose concerning what they believe.
My primary purpose in these pages and links is to compare the published doctrines of those who claim to be Christian in Faith, with
Christianity as presented in Scripture (Bible). Nothing more, nothing less. I do not condemn anyone, nor any religion!

So, you may ask: Are members of these denominations (religions) saved?

Answer:

The Scripture teaches us that anyone who truly believes the gospel message is saved. This is true regardless of their religious affiliation. The question for anyone is really, “What does a person actually believe?” The belief or faith the Bible speaks of is a faith alone in Christ alone apart from religious works (Eph. 2:8-9; Tit. 3:4-5). Salvation is a free gift (Rev. 21:6; 22:17).

Many people believe in the historical facts about Jesus Christ—His incarnation, perfect life, death, and resurrection, but they add to this a system of works as part of what is needed for salvation. In other words, they add to the gospel message. It is not simply faith alone in Christ alone, but faith plus some work. This is precisely what the religious Jews were doing in the time of Christ and the apostles. They were seeking to add religious works such as circumcision. Paul called this a gospel of another kind which, in essence, is not the gospel. The books of Galatians and Colossians were written to refute and show the heresy of this. See Romans 10:1-4.

To believe in Christ is to turn from one’s sources of trust (good works, personal morality, church denomination, etc.) and to place one’s trust in the person and work of Christ as the sole basis of eternal life with forgiveness and acceptance as a child of God.

"Do not hate your brother in your heart. Rebuke your neighbor frankly so you will not share in his guilt.." Lev. 19:17.

John 11:32-33
When Mary reached the place where Jesus was and saw him, she fell at his feet and said, "Lord, if you had been here, my brother would not have died." When Jesus saw her weeping, and the Jews who had come along with her also weeping, he was deeply moved in spirit and troubled.

Jesus wept. (the shortest verse in the bible) He wept because the people there did not understand who he was, and did not believe fully in him.
And we too, must weep for these lost souls who have been deceived by cult religions.

1st Peter 1:17-21 and 2:1-3,

17 For he received honor and glory from God the Father when the voice came to him from the Majestic Glory, saying, "This is my Son, whom I love; with him I am well pleased."
18 We ourselves heard this voice that came from heaven when we were with him on the sacred mountain.
19 And we have the word of the prophets made more certain, and you will do well to pay attention to it, as to a light shining in a dark place, until the day dawns and the morning star rises in your hearts.
20 Above all, you must understand that no prophecy of Scripture came about by the prophet's own interpretation.
21 For prophecy never had its origin in the will of man, but men spoke from God as they were carried along by the Holy Spirit.

2 Many will follow their shameful ways and will bring the way of truth into disrepute.
3 In their greed these teachers will exploit you with stories they have made up. Their condemnation has long been hanging over them, and their destruction has not been sleeping.

Roman Catholicism - Church of Rome - Catholics

Early Christian Church (formation of the church of Rome)
Comprehensive Brief on Catholicism (1)
Comprehensive Brief on Catholicism (2)
Mariology
Pray The Rosary
What did the Early Church believe about the authority of Scripture? (sola Scriptura)
The REAL Papal Succession (and much more)
FOX's Book of Martyrs
Thomas Cranmer, Archbishop of Canterbury, Burned at the Stake
Thomas Cranmer, Also Here
Eternal Life - PLEASE READ THIS - it's short

A MUST HAVE BOOK; Understanding Roman Catholicism
Written by a Catholic, for Catholics. This book ($9.95) compares what God
says in the Bible, to the Roman Catholic Doctrines and Traditions (of men).

Basis for Roman religion. Is Peter the Rock? Or is Jesus.
The five "I will's" that got Satan kicked out of Heaven
Roman Catholic List of Heresies
History of the Vatican in World Politics - INCREDIBLE
THE WITCHCRAFT (heritics) TRIALS - Diabolical evidence of human madness

My Great Great Grandfather, Washington Derrick, was born Jun 22, 1820 - just after the Roman Catholic church banned the their use of torture in 1816. But it was not until the year 1965 when the Church of Rome officially halted the "Inquisition".

Another Similar Book, The Gospel According to Rome / New York Times Best Seller List

Key dates in the evolution of Roman Catholic doctrine
Concerning Infant Baptism
Marianism or Mariology
Ignorance and Catholicism
Roman Catholicism In Constant Change
Roman Catholic Mass Christ Cruficied Again and Again?
The Ten Commandments Catholics deleted the 2nd Commandment.
The Entire Catholic Bible Don't worry - it's very short.
Mass Murder Blessed, Testimonies & Photos
The Vatican's Holocaust - You Judge
Romans 1:22-31 The conclusion of my research.