Harper Lee's Index

Harper's Index is a famous index. Harper Lee is the famous author of To Kill a Mockingbird. My last name is Lee. This is Harper Lee's Index:

No. of firearm-related homicides in 2007: 12,632

Expert estimates of state executions in China: 10,000 to 15,000 inmates per year

No. of executions since 1974 in the USA: 1,234

China's population: 1.3 billion

US population: 350 million

Estimated average number of cars for every 1,000 people (US): 800

Estimated average number of cars for every 1,000 people (PRC): 20

No. of people killed on China's roads in 2006: More than 89,000

Approximate auto accident deaths per year (US): 47,000