Conflict, climate, environmental degradation and uneven development are major factors in the US$7.9B appeal.
Some 52% of all refugees and others who needed international protection came from Afghanistan, Syria and Ukraine.
Amy Pope will become the first woman to serve as director general of the International Organization for Migration.
The figures show an 'intolerable' loss of life amid more reports of government-led rescue delays and obstacles to NGOs' search and rescue efforts, the U.N. migration agency said.
It is a fight that spans the continent and has entangled international organizations, border security forces and a host of others in a murky web of politics and international law.
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.