A growing number of countries – 16 now, with more on the way – rely on high-speed rail service. Around the world, there are now 41,222 km (25,614 mi) on which trains run at speeds of at least about 250 km (155 mi) per hour. We wonder: Which nation has the largest high-speed rail network?
Increasing digitalization has a direct impact on the skillsets of many nations’ workforces. Students with university degrees in science, technology, engineering and mathematics (STEM) are in particular demand. We wonder: Which of the following countries currently has the highest share of such graduates in its working-age population?
Poverty among children is one of the key scourges of humanity. It condemns children at a critical stage of development to poor nutrition, education, housing and more – with life-long consequences. We wonder: Which of these G20 economies has the lowest share of its children living in poverty?
Offshore tax avoidance or evasion is nearly the exclusive preserve of the global elite. Eighty percent of all offshore wealth belongs to the top 0.1% of earners worldwide, while 50% belongs to the even smaller group of the top 0.01%. We wonder: Which set of countries has more than half of its GDP in offshore tax havens?
A. Russia, China and India
B. United States and Mexico
C. Spain, Italy, France, Germany and the UK
D. United Arab Emirates, Venezuela and Saudi Arabia Continue reading →
Ever since 2009, China has been the world’s largest exporter. Its total exports are equal to just under 20% of its economy. We wonder: Which of the following major economies is closest to China’s level on a percentage basis?
Wind power has become an increasingly viable part of the solution to help solve two of the world’s most pressing problems – global warming and energy supply independence. We wonder: Which country had the highest installed wind power capacity at the end of 2016?
Despite the advancement of women in the workplace over the past several decades, the median pay of women working full time remains lower than the median pay of men working full time. We wonder: Which of the following G-20 countries has the smallest gender pay gap in full-time employment?
Humans have consumed animal milk for the past 8,000-10,000 years. Prehistoric production – for milk, cheeses, butter and more – typically followed domestication of the animals for meat. Cows are one of the biggest sources of dairy. We wonder: Which country is the world’s largest producer of whole milk from cows?
Beer likely dates as far back as humans have grown cereal crops. Thousands of years after people first fermented grain into beer, the world population drank 184.8 billion liters of it in 2016. It is the most popular alcoholic beverage by a wide margin. We wonder: In which country do people consume the most beer?
Voter participation rates vary widely. Among developed countries, they range from under 40% (Switzerland) to a level of nearly 90% (Belgium). We wonder: Which of the following countries had the highest voter turnout in its most recent national election?