Research suggests that donating around $100 to cost-effective global health charities can provide as much impact as spending over $30,000 in rich countries for an extra year of healthy life. This means that working in global health could be 300 times more impactful than typical ways of doing good in rich countries. By donating 10% of income to global health charities, individuals can make a significant difference, equivalent to donating 1,000% of income to poverty-focused charities in rich countries. Such revelations have spurred many to contribute towards global health charities, recognizing the substantial impact of their donations.