The world’s Muslim population is highly concentrated in the Asia-Pacific region.
Most of Russia’s land lies in the East, but most of its people live in the West.
More contraception would help Africa educate the young and govern itself.
What was the human cost of Russia’s 20th century trials and tribulations?
An interview with Nigeria’s Ngozi Okonjo-Iweala on her country’s future path.
Did population growth help create the scenario for the first World War?
What is the average population size of an EU country? 5, 10, 20 or 40 million?
California is a land of its own, constrained by 49 other states. How many of the smallest U.S. states would it take to reach the population of California?
What steps can be taken to slow the world’s population growth without engaging in “population control”?