World Mission Sunday – the one day in the year when the entire global Church comes together in support of mission – will happen on 18 October 2026.
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World Mission Sunday is observed annually on the second to last Sunday of October, and this year it falls on 18 October. It is a day when Catholics around the world come together in prayer, solidarity, and support for the Church’s mission work.
For World Mission Day 2026, which marks the centenary of a celebration established by Pius XI that is very dear to the Church, I have chosen the theme ‘One in Christ, united in mission’. Following the Jubilee Year, I wish to encourage the whole Church to continue its missionary journey with joy and zeal in the Holy Spirit. This requires hearts united in Christ, reconciled communities and, in everyone, a willingness to cooperate with generosity and trust.
Message of His Holiness Pope Leo XIV for the 100th World Mission Day 2026
Find all your resources for World Mission Sunday in this section. Everything is free to download and use in your parish community.
What is mission? What do missionaries actually do? What about the needs at home? Watch Missio's new film and hear from missionaries and our Church family around the world to find the answers to these questions and more.
The theme for World Mission Sunday 2025 was Missionaries of Hope Among all Peoples
The theme for this year, selected by Pope Francis, is inspired by the Gospel of Matthew: “Go and Invite Everyone to the Banquet.”
