By 2025, experts predict that Millennials and Generation Z will make up the majority of the world’s workforce. And they already do. Currently, Millennials account for a third of the workforce, coming in at 53.5 million workers, and Gen Z accounts for another third at 52.7 million workers. The numbers keep growing. They’re two of the most populous generations on earth, and they’re going to have to navigate a work world full of unprecedented challenges.