UNHCR was still there, helping numerous same people now fleeing an internal conflict, he told local government officials in the northern town of Bentiu. "This equates to one person becoming displaced every three seconds", the report said, "less than the time it takes to read this sentence".
The report showed despite huge focus on Europe's refugee crisis, it is the poorer countries that host most of the world's refugees.
The figures released ahead of World Refugee Day showed that a full 10.3 million of the world's displaced people fled their homes previous year alone, including 3.4 million who crossed worldwide borders to become refugees.
Germany, the USA, Italy and Turkey received the highest number of asylum applications in 2016, with more than 2 million claims lodged.
The U.N. attributes a lot of that uptick to the Syrian war. While civil conflicts have driven many Somalis out, there have also been desperate conditions such as famines and droughts that have forced people to leave the country.
In 2016 the leading global agency for refugees provided emergency equipment to refugees and other displaced and stateless people including 256,000 tents, 804,000 solar lanterns, 1.2 million mosquito nets, 3.4 million plastic sheets and 6.6 million blankets.
According to the report, Turkey hosts the largest number of refugees at 2.9 million, followed by Pakistan, and then Lebanon.
However, in 2016 the biggest new factor was South Sudan, where the disastrous break-off of peace efforts in July contributed to an outflow of 737,400 people by the end of the year.
Record 65 million people displaced in 2016
The majority of those displaced in the sub-Saharan country are children.
The Trump administration has vowed to restrict refugees and toughen immigration through "extreme vetting" and a proposed suspension of visas for people from six predominantly Muslim nations.
Uganda received the largest number of new refugees in 2016 in the world, said new figures released by the UN Refugee Agency (UNHCR) on Monday.
"No refugee crisis today worries me more than South Sudan", the UNHCR's Africa chief Valentin Tapsoba said, pointing out that two thirds of the refugees amid the deepening conflict are children.
Grandi warned that, "This was burdening the poorest countries of the world because 84 percent of the asylum seekers hail from countries with low economy".
"Only the silencing of weapons can alleviate the humanitarian crisis that is now affecting close to half of South Sudan's population", Bibeau said in a statement.
"The world seems to have become unable to make peace", Grandi said.
In total, about 3.3 million South Sudanese had fled their homes by the end of the year, in what is known as the fastest-growing displacement of people in the world. Afghanistan had produced the largest number of refugees for 32 years before conditions worsened in Iraq and Syria.
Anadolu Agency recently visited some of the refugee settlements and found shortages due funding shortfalls.
Trump delays effective date of travel ban amid court battle
Trump issued his initial travel ban on a Friday in late January, bringing chaos and protests to airports around the country. The Supreme Court is weighing emergency applications in both cases, but is likely to act on them together.