The United States spends more on health care than any other nation in the world. In fact, the U.S. health care sector is as large as some countries’ entire economies. We wonder: U.S. spending on health care in 2013 was roughly equal to what country’s GDP?
The freedom to practice religion without fear of persecution is widely regarded as a fundamental human right. In practice, this right is sometimes abused — especially against religious minorities. We wonder: What percentage of the world’s population lives in a country in which they are a religious minority?
In the 21st century, economic growth will depend more than ever on the skills and abilities of individual workers. A key skill in what is increasingly becoming a knowledge economy is the ability to read and write. We wonder: What percentage of all adults worldwide are literate?