Summertime can and should be a time for extra prayer, a moment of peace that allows Christians to savor the joy of their relationship with Jesus and find new strength to reach out with love to others, Pope Francis said.

Many of the Little Brothers of Jesus, including Francis' choice to head Rome's seminary, are manual laborers, who strive simply to be a presence of friendship and solidarity with their co-workers and neighbors.

Human trafficking is "brutal, savage and criminal," Pope Francis said, but often it seems like people see it as a sad, but normal fact of life.

Pope Francis called on Muslims and Jews in the Holy Land to "moderation and dialogue" as tensions continued around a key site in Jerusalem that is sacred to members of both faiths.

While Europe has played a significantly weighty role in the development of Christianity, "now we see how the church is growing in numbers in Latin America, in Africa and in Asia. The pope is making this clear. This universal character of the church is very beautiful."

"For me, the stories have always been about how we should live, who we are, and have a lot to do with love, trust and betrayal," Scorsese said.

The yearbook tracks the Catholic population, both by a head count of the baptized in each country and as a percentage of the world's population.

"Whoever was opposed to Bishop Okpaleke taking possession of the diocese wants to destroy the church. This is forbidden," the pope said.

Christians and Muslims, believers in one God, have an obligation to safeguard the world God created, said the Vatican's annual message to Muslims for the end of Ramadan.

With the civil war worsening and famine spreading, Pope Francis already in March had expressed doubts about the possibility of making the trip.