Following his inauguration Mass, Pope Leo XIV is set to meet with Ukrainian President Volodymyr Zelensky, highlighting the Vatican's commitment to addressing the ongoing conflict in Ukraine. Earlier during the Mass, the Pope expressed his anguish over the "martyred Ukraine," calling for a "just and lasting peace" through negotiations.

Addressing a vibrant crowd in St. Peter's Square, the Pope warned against societal ills like marginalization, autocracy, and exploitation of natural resources. He emphasized his commitment to humility in leadership, stating he would resist the allure of autocracy. "Let us govern without yielding to the temptation to be an autocrat," he said, highlighting the importance of unity and compassion.

Thousands flocked to witness his inaugural Mass, with many expressing a deep sense of excitement and reverence. Among the attendees were notable figures such as US Vice President JD Vance and Secretary of State Marco Rubio, illustrating the global anticipation surrounding this new papacy. The joy in the air was palpable; many attendees referred to the event as a historic moment in their lives.

The Pope's entry in his popemobile evoked cheers from onlookers. Michelle from Germany and Joe from Missouri shared their excitement, with Joe, a former Catholic, expressing his hope for the Pope's effective leadership. Pia, a Chilean philosophy professor, commented on the hopeful aura she felt with the Pope's election, citing his inaugural words of peace and encouragement.

Following the Mass, Pope Leo XIV's official inauguration involved ceremonial gestures, including the placement of the pallium—the woolen band symbolizing his pastoral authority—and the Ring of the Fisherman, adorned with St. Peter’s image. The Pope then blessed the people with the Book of Gospels, committing to a vision of hope and peace for the church and the world.