Seven new pieces believed to be Banksy's work turned up in Paris, with nods to such topics as refugees, student protests and capitalism.
One New Year's Eve party in Berlin will include a safe zone for women staffed by the German Red Cross to act as support after reports of sexual assault at last year's celebrations.
Trump's executive orders leave unaccompanied minors even more vulnerable.
Figures have risen since the 2015 annual survey.
If the 65.3 million people were a single population, it would be the world's 21st largest.
Immigration Minster James Brokenshire proposes new Immigration Bill measures that will allow children to be dispersed across local authorities.
Hundreds of migrants marched out of Greece and hiked for hours to get around a border fence and cross into Macedonia, where they were detained.
Three hundred migrants gathered to watch the show as part of the Globe to Globe tour.
William Lacy Swing, the head of the International Organization for Migration, cited the figure on Tuesday.
The waves of refugees have fueled "unprecedented anti-migrant sentiment," said the head of the International Organization for Migration.
Economic need, global markets and a desire for better lives put more people on the move in 2015, especially in Asia.
Many had spent weeks stranded at the border with Macedonia.
More than 3,500 people have died or gone missing at sea this year.