Pesticide sales are increasing in Asia, Latin America, and Eastern Europe. In addition, companies often charge lower prices for older products and in poorer markets, boosting sales. Africa uses far less pesticide than any other region.
Weeds remain the largest concern of farmers. Yet in the United States, 20 percent of pesticides are applied in non-agricultural settings, such as homes, lawns, and gardens, where more is often used per square meter.