What do Catholics believe about hell?

Hell is real, eternal, and a possible destiny for every person. It is the state of definitive separation from God chosen by someone who dies refusing His mercy.

What hell is. God created us for communion with Him, the source of all life and happiness. Hell is the final exclusion from that communion. The Catechism calls it the state of those who die in mortal sin without repenting and accepting God's merciful love (CCC 1033). Its chief punishment is eternal separation from God, though Scripture also uses images such as fire, darkness, and exclusion from the wedding feast (Mt 8:12; 25:41). These images express the terrible reality of losing God forever.

What Jesus taught. Jesus spoke plainly about hell. He warned of Gehenna and urged people to turn away from sin rather than be lost (Mk 9:43-48). In His account of the final judgment, the wicked depart into eternal punishment while the righteous enter eternal life (Mt 25:31-46). The Church therefore teaches both the eternity of hell and the urgent need for conversion (CCC 1034-1035). Hell is not a temporary purification. Purgatory is for those who die in God's friendship and will certainly reach heaven.

Human freedom and God's mercy. God predestines no one to hell. A person must freely turn away from God through mortal sin and persist in that refusal until death (CCC 1037). Mortal sin requires grave matter, full knowledge, and deliberate consent (CCC 1857). God desires everyone to be saved and come to knowledge of the truth (1 Tim 2:4). He gives grace to repent, even late in life. Still, He does not force love or erase human freedom. Persistent refusal of mercy can become final at death.

Who is in hell. The Church teaches that hell exists, but she has not declared that any particular human person is there. She canonizes saints because their heavenly glory can be known with moral certainty, but she does not issue an equivalent list of the damned. Catholics may hope and pray for every person's salvation while taking Christ's warnings seriously.

How to respond. Fear of hell can begin conversion, but love of God should bring it to maturity. If you are conscious of mortal sin, make an honest confession before receiving Communion (CCC 1457; Canon 916). Do not despair. Turn to Christ now, ask for mercy, and trust the promise given to the repentant: "Whoever comes to me I will not reject" (Jn 6:37).