Migration is seen as the product of desperate circumstances, but increasingly it is the byproduct of success—improved child survival followed by a booming young-adult population.

Health and infectious diseases have shaped the history of urbanization, but it is cities that will define the future of global health.

Follow recent shifts in economic clout among the world’s major economies.

Democracy has played little role in the recent history of global health, but new research published in the Lancet shows democracy is becoming more important as the health needs of low- and middle-inc…