The group of the world’s 20 largest economies is not static. Over time, some countries are bound to move into this elite club, while others may drop out. We wonder: Which countries are projected to make the greatest upward move among the world’s top 20 economies?
China has long been the world’s largest nation in terms of population. But only since undertaking radical economic reforms in the late 1970s did the country’s economy begin to prosper again. We wonder: When will China overtake the United States as the world’s largest economy?
A. It already has.
B. It will by 2028.
C. It will by 2050.
D. Probably not in this century.
The term “millionaire” has long been a synonym for wealth and success. Nowadays, billionaires — of whom there are just over 2,000 worldwide — get all the attention, given that millionaires are not quite as rare as they used to be. We wonder: How many millionaires (measured in terms of U.S. dollars) are there worldwide?
C. Four million
D. Close to 14 million
The end of the U.S. Civil War, now exactly 150 years ago, meant freedom for four million slaves in the American South. Remarkably, slavery in its modern form — human trafficking, forced labor and forced marriages — continues to exist throughout the world. We wonder: Which country today has the largest number of unfree people?