Syria has been the main country of origin for refugees since 2014 and at the end of 2019, there were 6.6 million Syrian refugees hosted by 126 countries worldwide. A 2018 World Bank report estimated that by 2050, there would be 143 million climate change-driven migrants from the regions of Latin America, sub-Saharan Africa, and southeast Asia alone. How many climate refugees will there be in the future? The Environmental Migration Portal by IOM, features a searchable research database, initially based on the People on the Move in a Changing Climate: A Bibliography, published by IOM in collaboration with University of Neuchatel.The database also includes migration and environment country assessments published by IOM.. This makes things even more complicated. Currently, forecasts vary from 25 million to 1 billion environmental migrants by 2050, moving either within their countries or across borders, on … There have been a number of attempts over the decades to enumerate environmental migrants and refugees. They are estimates of how many climate refugees there will be in the future, rather than how many there are now.. There are an estimated 38 million migrant children, three out of four international migrants are of working age, meaning between 20 and 64 years old. Population growth in the United States is almost entirely driven by the federal government's immigration policy. The International Organization for Migration (IOM), as the leading intergovernmental migration agency, has been at the forefront of operational, research, policy and advocacy efforts, seeking to bring environmental migration to the heart of international, regional and national concerns in collaboration with its Member States, observers and partners. The low-lying country has many residents that are at risk from a changing climate in the near future. The thematic working group on “Environmental change and … 164 million are migrant workers. Photograph by Turjoy Chowdhury, NurPhoto/Getty 143 Million People May Soon Become Climate Migrants The Census Bureau predicts that the nation's population will grow from 325.5 million today to 403.7 million by 2060 — and 96 percent of that increase of 78 million people is due to the current historically high level of immigration. The relationship between the environment and human movement is complex, and for that reason there are a … Most of the numbers you may have heard about climate refugees are usually predictions. In 2019, only half a per cent of the world’s refugees were resettled. According to Oxford-based environmental migration expert Norman Myers, when global climate change takes hold, “there could be as many as 200 million people overtaken by disruptions of monsoon systems and other rainfall regimes, by droughts of unprecedented severity and duration, and by sea-level rise and coastal flooding” (2008). Jodi Jacobson (1988) is cited as the first researcher to enumerate the issue, stating that there were already up to 10 million 'Environmental Refugees'. The term “environmental refugees” is one of the many phrases that are used to describe people who move due to changes in the environment around them. "If we get climate change wrong there is a very real danger we shall see levels of mass migration as yet unparalleled," he said. Environmental migrants do not fit neatly into either category, leading some scholars like Alexander Betts to call for an expansion of the international legal definition of a refugee to take account of the realities of climate change and to include people fleeing natural as well as man-made disasters, trying simply to survive .