"Worldwide, the COVID-19 pandemic has been an enormous shock to mortality, economies, and daily life. But what has received insufficient attention is the impact of the pandemic on the accumulation of human capital—the health, education, and skills—of young people. How large was the setback, and how far are we still from a recovery? Collapse and Recovery estimates the impacts of the pandemic on the human capital of young children, school-age children, and youth and discusses the urgent actions needed to reverse the damage. It shows that there was a collapse of human capital and that, unless that collapse is remedied, it is a time bomb for countries. Specifically, the report documents alarming declines in cognitive and social-emotional development among young children, which could translate into a 25 percent reduction in their earnings as adults. It finds that 1 billion children in low- and middle-income countries missed at least one year of in-person schooling. And despite enormous efforts in remote learning,