Popsugar Culture Millennials Millennials Pick Biggest Global Issues in WEF Shapers Survey The 6 Most Important Issues in the World, According to Millennials June 10, 2018 by Chelsea Adelaine Hassler First Published: August 29, 2017 View On One Page Photo 5 of 6 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 2. Large Scale Conflict, Wars 38.9 percent of those polled ranked the possibility of large-scale war as the most serious global issue. Previous Next Start Slideshow MillennialsWorld NewsUS News