It will be an ordinary jubilee, following that in 2000, during John Paul II's pontificate.
He said courage is needed to achieve the pact's objectives, put the person at the center, serve the community and pay educators fairly.
Pope Francis celebrated Mass in Bari to conclude the Mediterranean bishops' meeting for peace.
“I am frightened by speeches from certain populist leaders. They remind me of the discourses that sowed fear and hatred in the 1930s,” he said in Bari.
