The latest figures show the vast majority of the world's 8 billion inhabitants prefer to stay within their nation of birth. But almost 1-in-20 are on the move away from their home.
U.N. leaders used the World Day Against Trafficking in Persons to call for increased prevention against a web of factors.
The number of refugees, internally displaced people and asylum-seekers rose by 2.3 million from 2017. And over the past two decades, the number has doubled.
The Trump administration's broadsides against international cooperation embolden nations with poor human rights records and encourage attacks on journalists, experts said.
Huge security threats loom from the crisis in Yemen to Afghanistan's fighting to the U.S.-China trade war.
The non-binding deal tries to solve some of the polarizing but age-old issues surrounding people crossing borders.
The effort accompanied a similar pact for migration that the U.N. General Assembly also approved this month.
Judges ruled that sanctions reinstated by the Trump administration breached a 1955 treaty between Iran and the United States that predates Iran's Islamic Revolution.
At the U.N. General Assembly, U.S. President Donald Trump unleashed a vicious attack on the U.S.-hosted world body that he described as a largely usesless "global bureaucracy."
U.S. President Donald Trump's belligerent national security adviser John Bolton harshly condemned the International Criminal Court, which is hated by conservatives.
A new pact for promoting safe migration that's supported by 190 countries has been advancing through the United Nations without participation from the United States and Hungary.
After calling NATO obsolete and suggesting America might not defend other alliance members, U.S. President Donald Trump demanded other members raise their defense spending.