Nigeria and China are among other outliers that offer clues to how changing fertility rates are reshaping the world.
Population: 8 Billion
With some countries expanding and others declining are we nearing peak population?
By 2050 Africa’s most populous nation could have nearly 400 million people squeezed into a country one-tenth the size of the United States.
China will soon no longer be world’s most populous country—a title it has held for centuries—underscoring the daunting challenge it confronts to maintain its global dominance.
To photograph our cover story on the population milestone reached last year, Justin Jin and Yagazie Emezi captured individual stories in lands they each know well.