...[I]n 1800 AD, 95% of the world was destitute, living in what we’d now consider extreme poverty. In 1900 AD, about 75% were. Now, maybe 9% of people are, while nine out of ten people live above extreme poverty. In 1950, Japan, South Korea, Hong Kong, Singapore, and Taiwan were very poor. Singer would have said we have duties to give our extra income to their citizens. In 2020, Japan, South Korea, Hong Kong, Singapore, and Taiwan are very rich—indeed, the average person in Singapore is now richer than the average American. Singer today would say the Japanese, Koreans, etc.,have...















