The World of Numbers

From a quick reading of the current issue of The Economist, Men'a Journal, and Foreign Affairs:

• A golf course in America closes roughly every two days.
• The U.S equine population grew sixfold between 1840 and 1900 - a period of huge growth for the telegraph and railroads.
• In 2014, the richest 1% held 48% of the world's wealth.
• The U.S. has less than 5% of the global population but 25% of the world's prisoners.
• The World Bank estimates Nigeria needs to spend $30 to $50 billion a year on infrastructure.
• Since 2003, there has been 20 fatal accidents per year for manned aircraft for low-level inspection of pipelines, traffic observation, fire-fighting, and filming.
• The United States was 75% rural in 1870 and by the mid-20th century, it was 64% urban.