In addition to prayers, Pope Francis urged the parties involved in the conflict to engage in dialogue.
A lack of reporting and access to reliable statistical information makes determining an accurate figure difficult.
Dominican Fr. Thomas Thien Tran Minh Cam devoted the past 30 years to reconciling the Catholic church and Vietnam's communist government.
Since the military coup in Egypt last July, regime opponents have seen deaths, political charges and a repressive anti-protest law.
Vatican theologians have given their approval to a miracle attributed to the intercession of Pope Paul VI, moving him a step closer to sainthood.
Uganda's Catholic bishops reaffirmed their opposition to homosexuality, but reserved judgment on a recently ratified bill imposing harsh punishment for homosexual acts in the East African nation.
"Our reaction from the church is very clear, we don't support homosexuality," Msgr. John Baptist Kauta, secretary-general of the Uganda Episcopal Conference, told Catholic News Service by phone Feb. 26.
He said that when the anti-gay bill was first discussed, the country's bishops had been against the harsh penalties it involved for homosexual acts, including the death penalty.
The three months of protests in Ukraine that ended with government snipers killing dozens of people strengthened the commitment to democracy of many Ukrainians, but also left the country vulnerable to further violence and division, said the head of the Ukrainian Catholic Church.
"The danger that our neighbor (Russia) will provoke a civil war has not passed," Archbishop Sviatoslav Shevchuk of Kiev-Halych told reporters in Rome Feb. 25, adding that the protests have solidified the Ukrainian people's commitment to independence, freedom and democracy.
As protests in Venezuela continued, with flare-ups of violence, the country's Catholic leaders urged dialogue and respect for the demonstrators' human rights.
"We have called for the social and political leaders to engage in deep, sincere dialogue" to address the country's serious problems, including high rates of violent crime and economic difficulties that have caused a scarcity of some basic consumer goods, Caracas Auxiliary Bishop Jesus Gonzalez de Zarate, secretary-general of the Venezuelan bishops' conference, told Catholic News Service in a telephone interview.
Steps taken by Pope Francis, including several pronouncements, are seen as a model for Catholics in the Philippines about what it means to be church leader and member. Surveys for the 2013 Catholic Directory of the Philippines recorded 76.18 million baptized Catholics amid the country's population of an estimated 96.71 million people.
At its creation, the Republic of South Sudan was welcomed with enthusiastic arms. But the country has found itself embroiled in destabilizing political battles.