The report focuses on four categories of threat: Food insecurity, natural disasters, demographic pressure and water risk.
The number of people residing in countries facing severe ecological threats will go up to 2.8 billion by 2050.
More than half of the hotspot countries facing a severe threat are in sub-Saharan Africa.
The report covered 221 countries and independent territories, which were divided into 3,594 sub-national areas.
It is accounting for 99.99 percent of the world’s population.
Of these countries and territories, 66 face at least one severe ecological threat.
Of the 30 hotspot countries that face severe ecological threats and have low levels of societal resilience, 19 are in sub-Saharan Africa.
The most at risk countries are Ethiopia, Niger, Somalia and South Sudan, of which Ethiopia and Niger have recently emerged as hotspots.
Europe and North America are the only two regions where no country currently faced a severe ecological threat.
There are currently 42 countries experiencing severe food insecurity, and nearly four billion people live in areas experiencing high or severe food insecurity.