english: As societies become wealthier and better off, people seem to turn their focus of attention outward, and as a result, all kinds of altruism towards strangers increases, from volunteering to charitable donations and even altruistic kidney donations.
non_english: Kako društva postaju bogatija i imućnija, čini se da ljudi usmeravaju svoju pažnju ka spolja, i posledica toga je porast u raznim vidovima altruizma prema strancima, od volontiranja i dobrotvornih donacija, čak i do altruističnih donacija bubrega.