Leo’s predecessor, Pope Francis, was a hit with many young people, with a style that put aside pre-prepared speeches to engage in a back and forth with big crowds and who took tough questions from them about loss of faith, abortion and sexual abuse.

Hundreds of thousands of young Catholics poured into a vast field on Rome’s outskirts Saturday for the weekend highlight of the Vatican’s 2025 Holy Year: an evening vigil, outdoor slumber party and morning Mass celebrated by Pope Leo XIV that marks his first big encounter with the next generation of Catholics.